Windows MCP Connection Failure

Resolved 💬 3 comments Opened Jul 24, 2025 by jayantsingla2005 Closed Jan 4, 2026

Bug Description
MCP are not connecting when in windows environment

Environment Info

  • Platform: win32
  • Terminal: vscode
  • Version: 1.0.59
  • Feedback ID:

Errors

[{"error":"Error: Tool mcp__filesystem__list_directory not found\n    at C_B (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:2417:4572)\n    at RM (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:65:19859)\n    at rP (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:3227)\n    at Tv (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:43628)\n    at Rv (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38368)\n    at YS (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38296)\n    at lM (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38150)\n    at eV (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:35213)\n    at E8 (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:65:4841)\n    at I3 (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:32458)","timestamp":"2025-07-24T11:57:14.680Z"},{"error":"Error: Tool mcp__memory__read_graph not found\n    at C_B (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:2417:4572)\n    at RM (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:65:19859)\n    at rP (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:3227)\n    at Tv (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:43628)\n    at Rv (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38368)\n    at YS (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38296)\n    at lM (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38150)\n    at eV (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:35213)\n    at E8 (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:65:4841)\n    at I3 (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:32458)","timestamp":"2025-07-24T11:57:14.680Z"},{"error":"Error: Tool mcp__supabase__list_migrations not found\n    at C_B (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:2417:4572)\n    at RM (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:65:19859)\n    at Tv (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:42847)\n    at Rv (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38368)\n    at YS (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38296)\n    at lM (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38150)\n    at eV (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:35213)\n    at E8 (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:65:4841)\n    at I3 (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:32458)\n    at YZ (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:65:25361)","timestamp":"2025-07-24T11:57:14.680Z"},{"error":"Error: Tool mcp__filesystem__list_directory not found\n    at C_B (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:2417:4572)\n    at RM (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:65:19859)\n    at rP (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:3227)\n    at Tv (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:43628)\n    at Rv (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38368)\n    at YS (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38296)\n    at lM (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:38150)\n    at eV (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:67:35213)\n    at E8 (file:///C:/Users/jayan/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:65:4841)\n    at I3 (file:///C:/Users/jayan/AppData/Roami

Note: Error logs were truncated.

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