[Bug] MCP Server Connection Stopped Without Error Message

Bug Description
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Environment Info

• Platform: linux
• Terminal: pycharm
• Version: 2.1.220
• Feedback ID: 3adaf0fb-0f6b-4da1-b808-40ad920639f0

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"output_config.effort 'xhigh' is not supported when thinking is disabled on this model. Use effort 'high' or below, or enable thinking.\"},\"request_id\":\"req_011CdcRALxA55EQZX9i2wLJB\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:40:49836)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-08-01T17:24:08.570Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"output_config.effort 'xhigh' is not supported when thinking is disabled on this model. Use effort 'high' or below, or enable thinking.\"},\"request_id\":\"req_011CdcRBDWxkgUruVF4PKbss\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:40:49836)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-08-01T17:24:20.437Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"output_config.effort 'xhigh' is not supported when thinking is disabled on this model. Use effort 'high' or below, or enable thinking.\"},\"request_id\":\"req_011CdcRC3MYtLwo9mYDqpPZE\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:40:49836)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-08-01T17:24:31.574Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"output_config.effort 'xhigh' is not supported when thinking is disabled on this model. Use effort 'high' or below, or enable thinking.\"},\"request_id\":\"req_011CdcRPU5trXn6ZR2Jok41d\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:40:49836)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-08-01T17:27:06.619Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"output_config.effort 'xhigh' is not supported when thinking is disabled on this model. Use effort 'high' or below, or enable thinking.\"},\"request_id\":\"req_011CdcRTTivdstTezGu5oMfV\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:40:49836)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-08-01T17:28:00.919Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"output_config.effort 'xhigh' is not supported when thinking is disabled on this model. Use effort 'high' or below, or enable thinking.\"},\"request_id\":\"req_011CdcRVoHDbd3UuxsyXU8Qr\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:40:49836)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-08-01T17:28:32.468Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"output_config.effort 'xhigh' is not supported when thinking is disabled on this model. Use effort 'high' or below, or enable thinking.\"},\"request_id\":\"req_011CdcRfJ7p3FRaCf7gDF6VT\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:40:49836)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-08-01T17:30:41.364Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"output_config.effort 'xhigh' is not supported when thinking is disabled on this model. Use effort 'high' or below, or enable thinking.\"},\"request_id\":\"req_011CdcRjmir8goh7icyTUtUH\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:40:49836)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-08-01T17:31:41.953Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"output_config.effort 'xhigh' is not supported when thinking is disabled on this model. Use effort 'high' or below, or enable thinking.\"},\"request_id\":\"req_011CdcRn8SqNyn6JRWvrjUY4\"}\n    at generate (/$bunfs/root/src/entrypo…

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