[Bug] MCP_TOOL_TIMEOUT not respected for long-running HTTP tool calls

Status Fixed / completed
Reported on v2.1.5
Maintainer reply None cached
Activity 8 comments · opened Jan 12, 2026 · closed Feb 28, 2026

Bug Description
MCP_TOOL_TIMEOUT is not working! my tool calls (http) take longer than a minute and since 2026-01-11 they suddenly cause claude to abandon the call with "Tool ran without output or errors"

Environment Info

  • Platform: win32
  • Terminal: null
  • Version: 2.1.5
  • Feedback ID: d50e2624-4922-4f2d-841b-ab6819d63e5d

Errors

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