MCP Filesystem tools not working using Claude Desktop

Related Claude Code issues

Matched on shared title terms, labels, topic and reported release — ranked so issues with real discussion come first.

• MCP Filesystem tools not working using Claude Desktop
  Resolved 💬 6 #6769
• [BUG] Filesystem Breakoff
  Resolved 💬 1 #71548
• [BUG] MCP filesystem tools failing: TypeError with `read_file` and `edit_block`, tools not working
  Resolved 💬 6 #4217
• [BUG] MCP Tools usage
  Resolved 💬 4 #80010
• [BUG] macOS: Claude Desktop never dispatches tools/call to the first-party Filesystem extension (tools/list succeeds, no tools/call in any log)
  Resolved 💬 63 #80002
• Chat sessions route local MCP to the agent-mode stack, which silently drops the Filesystem extension (no tools/call, no log)
  Open 💬 1 #80174
• Crewai Tools Usage Issue
  Resolved 💬 2 #120
• [BUG] Filesystem extension: `tools/call` never reaches server — repro across multiple models (Fable, Sonnet 5), still present in 1.22209.3
  Resolved 💬 5 #79890

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Same class of failure, ranked by community engagement — this issue is one of many, so it may not appear in the visible list: MCP server connection issues

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