[BUG] Context usage counter resets to 0 upon interaction

Resolved 💬 3 comments Opened Jan 29, 2026 by luyufan498 Closed Mar 1, 2026

Preflight Checklist

  • [x] I have searched existing issues and this hasn't been reported yet
  • [x] This is a single bug report (please file separate reports for different bugs)
  • [x] I am using the latest version of Claude Code

What's Wrong?

When I first open Cursor and run /context usage, it displays normally showing the context statistics. However, as soon as I start interacting with the AI (sending messages), the context usage immediately drops to 0 and stays there.

Steps to Reproduce:

What Should Happen?

show usage correctly

Error Messages/Logs

❯ /context                                                                                                                                                                                                                                                             
  ⎿  Context Usage                                                                                                                                                                                                                                                     
     ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛀ ⛀ ⛀   claude-sonnet-4-5-20250929 · 22k/200k tokens (11%)                                                                                                                                                                                          
     ⛁ ⛁ ⛀ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶                                                                                                                                                                                                                                               
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   Estimated usage by category                                                                                                                                                                                                                 
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ System prompt: 2.4k tokens (1.2%)                                                                                                                                                                                                         
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ System tools: 12.7k tokens (6.4%)                                                                                                                                                                                                         
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ Custom agents: 238 tokens (0.1%)                                                                                                                                                                                                          
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ Memory files: 1.0k tokens (0.5%)                                                                                                                                                                                                          
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ Skills: 891 tokens (0.4%)                                                                                                                                                                                                                 
     ⛶ ⛶ ⛶ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝   ⛁ Messages: 5.1k tokens (2.5%)                                                                                                                                                                                                              
     ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝   ⛶ Free space: 145k (72.3%)                                                                                                                                                                                                                  
                           ⛝ Autocompact buffer: 33.0k tokens (16.5%)                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                       
     MCP tools · /mcp                                                                                                                                                                                                                                                  
     └ mcp__plugin_claude-mem_mcp-search____IMPORTANT: 0 tokens                                                                                                                                                                                                        
     └ mcp__plugin_claude-mem_mcp-search__search: 0 tokens                                                                                                                                                                                                             
     └ mcp__plugin_claude-mem_mcp-search__timeline: 0 tokens                                                                                                                                                                                                           
     └ mcp__plugin_claude-mem_mcp-search__get_observations: 0 tokens                                                                                                                                                                                                   
     └ mcp__web-search-prime__webSearchPrime: 0 tokens                                                                                                                                                                                                                 
     └ mcp__ide__getDiagnostics: 0 tokens                                                                                                                                                                                                                              
     └ mcp__ide__executeCode: 0 tokens                                                                                                                                                                                                                                 
     └ mcp__plugin_github_github__add_comment_to_pending_review: 0 tokens                                                                                                                                                                                              
     └ mcp__plugin_github_github__add_issue_comment: 0 tokens                                                                                                                                                                                                          
     └ mcp__plugin_github_github__assign_copilot_to_issue: 0 tokens                                                                                                                                                                                                    
     └ mcp__plugin_github_github__create_branch: 0 tokens                                                                                                                                                                                                              
     └ mcp__plugin_github_github__create_or_update_file: 0 tokens                                                                                                                                                                                                      
     └ mcp__plugin_github_github__create_pull_request: 0 tokens                                                                                                                                                                                                        
     └ mcp__plugin_github_github__create_repository: 0 tokens                                                                                                                                                                                                          
     └ mcp__plugin_github_github__delete_file: 0 tokens                                                                                                                                                                                                                
     └ mcp__plugin_github_github__fork_repository: 0 tokens                                                                                                                                                                                                            
     └ mcp__plugin_github_github__get_commit: 0 tokens                                                                                                                                                                                                                 
     └ mcp__plugin_github_github__get_file_contents: 0 tokens                                                                                                                                                                                                          
     └ mcp__plugin_github_github__get_label: 0 tokens                                                                                                                                                                                                                  
     └ mcp__plugin_github_github__get_latest_release: 0 tokens                                                                                                                                                                                                         
     └ mcp__plugin_github_github__get_me: 0 tokens                                                                                                                                                                                                                     
     └ mcp__plugin_github_github__get_release_by_tag: 0 tokens                                                                                                                                                                                                         
     └ mcp__plugin_github_github__get_tag: 0 tokens                                                                                                                                                                                                                    
     └ mcp__plugin_github_github__get_team_members: 0 tokens                                                                                                                                                                                                           
     └ mcp__plugin_github_github__get_teams: 0 tokens                                                                                                                                                                                                                  
     └ mcp__plugin_github_github__issue_read: 0 tokens                                                                                                                                                                                                                 
     └ mcp__plugin_github_github__issue_write: 0 tokens                                                                                                                                                                                                                
     └ mcp__plugin_github_github__list_branches: 0 tokens                                                                                                                                                                                                              
     └ mcp__plugin_github_github__list_commits: 0 tokens                                                                                                                                                                                                               
     └ mcp__plugin_github_github__list_issue_types: 0 tokens                                                                                                                                                                                                           
     └ mcp__plugin_github_github__list_issues: 0 tokens                                                                                                                                                                                                                
     └ mcp__plugin_github_github__list_pull_requests: 0 tokens                                                                                                                                                                                                         
     └ mcp__plugin_github_github__list_releases: 0 tokens                                                                                                                                                                                                              
     └ mcp__plugin_github_github__list_tags: 0 tokens                                                                                                                                                                                                                  
     └ mcp__plugin_github_github__merge_pull_request: 0 tokens                                                                                                                                                                                                         
     └ mcp__plugin_github_github__pull_request_read: 0 tokens                                                                                                                                                                                                          
     └ mcp__plugin_github_github__pull_request_review_write: 0 tokens                                                                                                                                                                                                  
     └ mcp__plugin_github_github__push_files: 0 tokens                                                                                                                                                                                                                 
     └ mcp__plugin_github_github__request_copilot_review: 0 tokens                                                                                                                                                                                                     
     └ mcp__plugin_github_github__search_code: 0 tokens                                                                                                                                                                                                                
     └ mcp__plugin_github_github__search_issues: 0 tokens                                                                                                                                                                                                              
     └ mcp__plugin_github_github__search_pull_requests: 0 tokens                                                                                                                                                                                                       
     └ mcp__plugin_github_github__search_repositories: 0 tokens                                                                                                                                                                                                        
     └ mcp__plugin_github_github__search_users: 0 tokens                                                                                                                                                                                                               
     └ mcp__plugin_github_github__sub_issue_write: 0 tokens                                                                                                                                                                                                            
     └ mcp__plugin_github_github__update_pull_request: 0 tokens                                                                                                                                                                                                        
     └ mcp__plugin_github_github__update_pull_request_branch: 0 tokens                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                       
     Custom agents · /agents                                                                                                                                                                                                                                           
                                                                                                                                                                                                                                                                       
     Plugin                                                                                                                                                                                                                                                            
     └ superpowers:code-reviewer: 238 tokens                                                                                                                                                                                                                           
                                                                                                                                                                                                                                                                       
     Memory files · /memory                                                                                                                                                                                                                                            
     └ CLAUDE.md: 1.0k tokens                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                       
     Skills · /skills                                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                       
     User                                                                                                                                                                                                                                                              
     └ siyuan-notes: 68 tokens                                                                                                                                                                                                                                         
     └ skill-creator: 60 tokens                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                                       
     Plugin                                                                                                                                                                                                                                                            
     └ agent-browser: 72 tokens                                                                                                                                                                                                                                        
     └ receiving-code-review: 67 tokens                                                                                                                                                                                                                                
     └ verification-before-completion: 67 tokens                                                                                                                                                                                                                       
     └ finishing-a-development-branch: 61 tokens                                                                                                                                                                                                                       
     └ using-git-worktrees: 59 tokens                                                                                                                                                                                                                                  
     └ brainstorming: 56 tokens                                                                                                                                                                                                                                        
     └ using-superpowers: 47 tokens                                                                                                                                                                                                                                    
     └ dispatching-parallel-agents: 37 tokens                                                                                                                                                                                                                          
     └ requesting-code-review: 36 tokens                                                                                                                                                                                                                               
     └ executing-plans: 33 tokens                                                                                                                                                                                                                                      
     └ systematic-debugging: 31 tokens                                                                                                                                                                                                                                 
     └ subagent-driven-development: 31 tokens                                                                                                                                                                                                                          
     └ writing-skills: 31 tokens                                                                                                                                                                                                                                       
     └ test-driven-development: 29 tokens                                                                                                                                                                                                                              
     └ writing-plans: 28 tokens                                                                                                                                                                                                                                        
     └ claude-mem:make-plan: 20 tokens                                                                                                                                                                                                                                 
     └ ralph-loop:help: 16 tokens                                                                                                                                                                                                                                      
     └ claude-mem:do: 16 tokens                                                                                                                                                                                                                                        
     └ ralph-loop:ralph-loop: 14 tokens                                                                                                                                                                                                                                
     └ ralph-loop:cancel-ralph: 12 tokens                                                                                                                                                                                                                              
                                                                                                                                                                                                                                                                       
❯ 你好                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                       
● 你好!有什么我可以帮助你的吗?                                                                                                                                                                                                                                       
                                                                                                                                                                                                                                                                       
❯ /context                                                                                                                                                                                                                                                             
  ⎿  Context Usage                                                                                                                                                                                                                                                     
     ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛀ ⛀ ⛀   claude-sonnet-4-5-20250929 · 0k/200k tokens (0%)                                                                                                                                                                                            
     ⛁ ⛁ ⛁ ⛁ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶                                                                                                                                                                                                                                               
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   Estimated usage by category                                                                                                                                                                                                                 
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ System prompt: 2.4k tokens (1.2%)                                                                                                                                                                                                         
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ System tools: 12.7k tokens (6.4%)                                                                                                                                                                                                         
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ Custom agents: 238 tokens (0.1%)                                                                                                                                                                                                          
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ Memory files: 1.0k tokens (0.5%)                                                                                                                                                                                                          
     ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶   ⛁ Skills: 891 tokens (0.4%)                                                                                                                                                                                                                 
     ⛶ ⛶ ⛶ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝   ⛁ Messages: 7.8k tokens (3.9%)                                                                                                                                                                                                              
     ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝ ⛝   ⛶ Free space: 142k (71.0%)                                                                                                                                                                                                                  
                           ⛝ Autocompact buffer: 33.0k tokens (16.5%)                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                       
     MCP tools · /mcp                                                                                                                                                                                                                                                  
     └ mcp__plugin_claude-mem_mcp-search____IMPORTANT: 0 tokens                                                                                                                                                                                                        
     └ mcp__plugin_claude-mem_mcp-search__search: 0 tokens                                                                                                                                                                                                             
     └ mcp__plugin_claude-mem_mcp-search__timeline: 0 tokens                                                                                                                                                                                                           
     └ mcp__plugin_claude-mem_mcp-search__get_observations: 0 tokens                                                                                                                                                                                                   
     └ mcp__web-search-prime__webSearchPrime: 0 tokens                                                                                                                                                                                                                 
     └ mcp__ide__getDiagnostics: 0 tokens                                                                                                                                                                                                                              
     └ mcp__ide__executeCode: 0 tokens                                                                                                                                                                                                                                 
     └ mcp__plugin_github_github__add_comment_to_pending_review: 0 tokens                                                                                                                                                                                              
     └ mcp__plugin_github_github__add_issue_comment: 0 tokens                                                                                                                                                                                                          
     └ mcp__plugin_github_github__assign_copilot_to_issue: 0 tokens                                                                                                                                                                                                    
     └ mcp__plugin_github_github__create_branch: 0 tokens                                                                                                                                                                                                              
     └ mcp__plugin_github_github__create_or_update_file: 0 tokens                                                                                                                                                                                                      
     └ mcp__plugin_github_github__create_pull_request: 0 tokens                                                                                                                                                                                                        
     └ mcp__plugin_github_github__create_repository: 0 tokens                                                                                                                                                                                                          
     └ mcp__plugin_github_github__delete_file: 0 tokens                                                                                                                                                                                                                
     └ mcp__plugin_github_github__fork_repository: 0 tokens                                                                                                                                                                                                            
     └ mcp__plugin_github_github__get_commit: 0 tokens                                                                                                                                                                                                                 
     └ mcp__plugin_github_github__get_file_contents: 0 tokens                                                                                                                                                                                                          
     └ mcp__plugin_github_github__get_label: 0 tokens                                                                                                                                                                                                                  
     └ mcp__plugin_github_github__get_latest_release: 0 tokens                                                                                                                                                                                                         
     └ mcp__plugin_github_github__get_me: 0 tokens                                                                                                                                                                                                                     
     └ mcp__plugin_github_github__get_release_by_tag: 0 tokens                                                                                                                                                                                                         
     └ mcp__plugin_github_github__get_tag: 0 tokens                                                                                                                                                                                                                    
     └ mcp__plugin_github_github__get_team_members: 0 tokens                                                                                                                                                                                                           
     └ mcp__plugin_github_github__get_teams: 0 tokens                                                                                                                                                                                                                  
     └ mcp__plugin_github_github__issue_read: 0 tokens                                                                                                                                                                                                                 
     └ mcp__plugin_github_github__issue_write: 0 tokens                                                                                                                                                                                                                
     └ mcp__plugin_github_github__list_branches: 0 tokens                                                                                                                                                                                                              
     └ mcp__plugin_github_github__list_commits: 0 tokens                                                                                                                                                                                                               
     └ mcp__plugin_github_github__list_issue_types: 0 tokens                                                                                                                                                                                                           
     └ mcp__plugin_github_github__list_issues: 0 tokens                                                                                                                                                                                                                
     └ mcp__plugin_github_github__list_pull_requests: 0 tokens                                                                                                                                                                                                         
     └ mcp__plugin_github_github__list_releases: 0 tokens                                                                                                                                                                                                              
     └ mcp__plugin_github_github__list_tags: 0 tokens                                                                                                                                                                                                                  
     └ mcp__plugin_github_github__merge_pull_request: 0 tokens                                                                                                                                                                                                         
     └ mcp__plugin_github_github__pull_request_read: 0 tokens                                                                                                                                                                                                          
     └ mcp__plugin_github_github__pull_request_review_write: 0 tokens                                                                                                                                                                                                  
     └ mcp__plugin_github_github__push_files: 0 tokens                                                                                                                                                                                                                 
     └ mcp__plugin_github_github__request_copilot_review: 0 tokens                                                                                                                                                                                                     
     └ mcp__plugin_github_github__search_code: 0 tokens                                                                                                                                                                                                                
     └ mcp__plugin_github_github__search_issues: 0 tokens                                                                                                                                                                                                              
     └ mcp__plugin_github_github__search_pull_requests: 0 tokens                                                                                                                                                                                                       
     └ mcp__plugin_github_github__search_repositories: 0 tokens                                                                                                                                                                                                        
     └ mcp__plugin_github_github__search_users: 0 tokens                                                                                                                                                                                                               
     └ mcp__plugin_github_github__sub_issue_write: 0 tokens                                                                                                                                                                                                            
     └ mcp__plugin_github_github__update_pull_request: 0 tokens                                                                                                                                                                                                        
     └ mcp__plugin_github_github__update_pull_request_branch: 0 tokens                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                       
     Custom agents · /agents                                                                                                                                                                                                                                           
                                                                                                                                                                                                                                                                       
     Plugin                                                                                                                                                                                                                                                            
     └ superpowers:code-reviewer: 238 tokens                                                                                                                                                                                                                           
                                                                                                                                                                                                                                                                       
     Memory files · /memory                                                                                                                                                                                                                                            
     └ CLAUDE.md: 1.0k tokens                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                       
     Skills · /skills                                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                       
     User                                                                                                                                                                                                                                                              
     └ siyuan-notes: 68 tokens                                                                                                                                                                                                                                         
     └ skill-creator: 60 tokens                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                                       
     Plugin                                                                                                                                                                                                                                                            
     └ agent-browser: 72 tokens                                                                                                                                                                                                                                        
     └ receiving-code-review: 67 tokens                                                                                                                                                                                                                                
     └ verification-before-completion: 67 tokens                                                                                                                                                                                                                       
     └ finishing-a-development-branch: 61 tokens                                                                                                                                                                                                                       
     └ using-git-worktrees: 59 tokens                                                                                                                                                                                                                                  
     └ brainstorming: 56 tokens                                                                                                                                                                                                                                        
     └ using-superpowers: 47 tokens                                                                                                                                                                                                                                    
     └ dispatching-parallel-agents: 37 tokens                                                                                                                                                                                                                          
     └ requesting-code-review: 36 tokens                                                                                                                                                                                                                               
     └ executing-plans: 33 tokens                                                                                                                                                                                                                                      
     └ systematic-debugging: 31 tokens                                                                                                                                                                                                                                 
     └ subagent-driven-development: 31 tokens                                                                                                                                                                                                                          
     └ writing-skills: 31 tokens                                                                                                                                                                                                                                       
     └ test-driven-development: 29 tokens                                                                                                                                                                                                                              
     └ writing-plans: 28 tokens                                                                                                                                                                                                                                        
     └ claude-mem:make-plan: 20 tokens                                                                                                                                                                                                                                 
     └ ralph-loop:help: 16 tokens                                                                                                                                                                                                                                      
     └ claude-mem:do: 16 tokens                                                                                                                                                                                                                                        
     └ ralph-loop:ralph-loop: 14 tokens                                                                                                                                                                                                                                
     └ ralph-loop:cancel-ralph: 12 tokens

Steps to Reproduce

Run /context usage command (after opening a new session) - shows normal context statistics (e.g., 15% used)
Start a chat interaction or send a message to the AI
Run /context usage again - now shows 0% context usage
Expected Behavior: Context usage should reflect actual token consumption and increase as the conversation progresses.
Actual Behavior: Context usage drops to 0 immediately after first interaction and remains stuck at 0.

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

v2.1.22

Platform

Anthropic API

Operating System

Ubuntu/Debian Linux

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_

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