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[Bug] Token usage spike on failed MCP tool calls when server disabled #105670
Description
Bug Description
claude made 1 call to fusion360, MCP was disabled at that time so it did nothing, my token usage became 23% in 1 second
Environment Info
- Platform: darwin
- Terminal: iTerm.app
- Version: 2.1.220
- Feedback ID: 215c481a-37c7-4f46-b752-35a344bcb085
Errors
[{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CgL3AmcmY4DneoZChsyWD\"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:40:50094)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-10-23T23:29:37.080Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CgL3Q9jQ83FvyMt3tfJn8\"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:40:50094)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-10-23T23:32:39.149Z"}]
Activity