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[BUG] cursor内调用成功一次后工具变为不可用 #30

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Open
[BUG] cursor内调用成功一次后工具变为不可用#30
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GuDaStudio
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bugSomething isn't working

Description

@eroneko
eroneko
opened on Dec 9, 2025

Bug Description / Bug描述

cursor内使用，agent调用MCP Tool成功一次后，下一次调用codexmcp就不可用了

Environment / 运行环境

  • OS: Windows 11 / WSL2 ...
  • CodexMCP Version: "command": "uvx",
    "args": [
    "--from",
    "git+https://github.com/GuDaStudio/codexmcp.git",
    "codexmcp"
    ]
  • Claude Code Version: 未使用
  • Codex CLI Version: 0.65.0
  • Cursor Version: 2.1.50

Steps to Reproduce / 复现步骤

  1. cursor加入本MCP
  2. agent调用一次codexmcp并成功获得返回结果
  3. agent再次调用，调用失败（tool codex not found）

Logs / 错误日志

If the error field is returned, please paste it here.
如有error字段返回，请粘贴在这里。

2025-12-09 11:33:42.128 [info] Found 1 tools, 0 prompts, and 0 resources
2025-12-09 11:34:08.200 [info] Handling GetInstructions action
2025-12-09 11:34:34.842 [info] Handling CallTool action for tool 'codex'
2025-12-09 11:34:34.842 [info] Calling tool 'codex' with toolCallId: toolu_01847rL4k7zubLqrzgp9oM8W
2025-12-09 11:34:34.852 [error] [12/09/25 11:34:34] INFO     Processing request of type            server.py:709
                             CallToolRequest                                    

2025-12-09 11:34:34.852 [error] [12/09/25 11:34:34] INFO     Processing request of type            server.py:709
                             CallToolRequest                                    

2025-12-09 11:34:53.052 [info] Handling ListOfferings action, server stored: true
2025-12-09 11:34:53.053 [info] Connected to stdio server, fetching offerings
2025-12-09 11:35:53.054 [error] Error listing tools: MCP error -32001: Request timed out
2025-12-09 11:36:53.054 [error] Error listing prompts: MCP error -32001: Request timed out
2025-12-09 11:37:19.924 [error] [12/09/25 11:37:19] INFO     Processing request of type            server.py:709
                             ListToolsRequest                                   

2025-12-09 11:37:19.924 [error] [12/09/25 11:37:19] INFO     Processing request of type            server.py:709
                             ListToolsRequest                                   

2025-12-09 11:37:19.929 [info] Successfully called tool 'codex'
2025-12-09 11:37:19.930 [error]   + Exception Group Traceback (most recent call last):
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/bin/codexmcp", line 12, in <module>

2025-12-09 11:37:19.930 [error]   + Exception Group Traceback (most recent call last):
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/bin/codexmcp", line 12, in <module>

2025-12-09 11:37:19.931 [error]   |     sys.exit(main())

2025-12-09 11:37:19.931 [error]   |     sys.exit(main())

2025-12-09 11:37:19.931 [error]   |              ^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/codexmcp/cli.py", line 8, in main

2025-12-09 11:37:19.931 [error]   |              ^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/codexmcp/cli.py", line 8, in main

2025-12-09 11:37:19.931 [error]   |     run()

2025-12-09 11:37:19.931 [error]   |     run()

2025-12-09 11:37:19.931 [error]   |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/codexmcp/server.py", line 288, in run

2025-12-09 11:37:19.931 [error]   |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/codexmcp/server.py", line 288, in run

2025-12-09 11:37:19.931 [error]   |     mcp.run(transport="stdio")

2025-12-09 11:37:19.931 [error]   |     mcp.run(transport="stdio")

2025-12-09 11:37:19.931 [error]   |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/mcp/server/fastmcp/server.py", line 296, in run

2025-12-09 11:37:19.931 [error]   |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/mcp/server/fastmcp/server.py", line 296, in run

2025-12-09 11:37:19.932 [error]   |     anyio.run(self.run_stdio_async)

2025-12-09 11:37:19.932 [error]   |     anyio.run(self.run_stdio_async)

2025-12-09 11:37:19.932 [error]   |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/_core/_eventloop.py", line 75, in run
  |     return async_backend.run(func, args, {}, backend_options)

2025-12-09 11:37:19.932 [error]   |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/_core/_eventloop.py", line 75, in run
  |     return async_backend.run(func, args, {}, backend_options)

2025-12-09 11:37:19.932 [error]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 2365, in run

2025-12-09 11:37:19.932 [error]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 2365, in run

2025-12-09 11:37:19.932 [error]   |     return runner.run(wrapper())

2025-12-09 11:37:19.932 [error]   |     return runner.run(wrapper())

2025-12-09 11:37:19.932 [error]   |            ^^^^^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.local/share/uv/python/cpython-3.12.12-linux-x86_64-gnu/lib/python3.12/asyncio/runners.py", line 118, in run

2025-12-09 11:37:19.932 [error]   |            ^^^^^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.local/share/uv/python/cpython-3.12.12-linux-x86_64-gnu/lib/python3.12/asyncio/runners.py", line 118, in run

2025-12-09 11:37:19.932 [error]   |     return self._loop.run_until_complete(task)

2025-12-09 11:37:19.932 [error]   |     return self._loop.run_until_complete(task)

2025-12-09 11:37:19.932 [error]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.local/share/uv/python/cpython-3.12.12-linux-x86_64-gnu/lib/python3.12/asyncio/base_events.py", line 691, in run_until_complete

2025-12-09 11:37:19.932 [error]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.local/share/uv/python/cpython-3.12.12-linux-x86_64-gnu/lib/python3.12/asyncio/base_events.py", line 691, in run_until_complete

2025-12-09 11:37:19.933 [error]   |     return future.result()

2025-12-09 11:37:19.933 [error]   |     return future.result()

2025-12-09 11:37:19.933 [error]   |            ^^^^^^^^^^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 2348, in wrapper

2025-12-09 11:37:19.933 [error]   |            ^^^^^^^^^^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 2348, in wrapper

2025-12-09 11:37:19.934 [error]   |     return await func(*args)
  |            ^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/mcp/server/fastmcp/server.py", line 749, in run_stdio_async

2025-12-09 11:37:19.934 [error]   |     return await func(*args)
  |            ^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/mcp/server/fastmcp/server.py", line 749, in run_stdio_async

2025-12-09 11:37:19.934 [error]   |     async with stdio_server() as (read_stream, write_stream):
  |                ^^^^^^^^^^^^^^

2025-12-09 11:37:19.934 [error]   |     async with stdio_server() as (read_stream, write_stream):
  |                ^^^^^^^^^^^^^^

2025-12-09 11:37:19.934 [error]   |   File "/home/seedron/.local/share/uv/python/cpython-3.12.12-linux-x86_64-gnu/lib/python3.12/contextlib.py", line 217, in __aexit__

2025-12-09 11:37:19.934 [error]   |   File "/home/seedron/.local/share/uv/python/cpython-3.12.12-linux-x86_64-gnu/lib/python3.12/contextlib.py", line 217, in __aexit__

2025-12-09 11:37:19.935 [error]   |     await anext(self.gen)

2025-12-09 11:37:19.935 [error]   |     await anext(self.gen)

2025-12-09 11:37:19.935 [error]   |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/mcp/server/stdio.py", line 85, in stdio_server
  |     async with anyio.create_task_group() as tg:
  |                ^^^^^^^^^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 783, in __aexit__

2025-12-09 11:37:19.935 [error]   |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/mcp/server/stdio.py", line 85, in stdio_server
  |     async with anyio.create_task_group() as tg:
  |                ^^^^^^^^^^^^^^^^^^^^^^^^^
  |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 783, in __aexit__

2025-12-09 11:37:19.935 [error]   |     raise BaseExceptionGroup(

2025-12-09 11:37:19.935 [error]   |     raise BaseExceptionGroup(

2025-12-09 11:37:19.935 [error]   | ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
  +-+---------------- 1 ----------------
    | Traceback (most recent call last):
    |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/mcp/server/stdio.py", line 71, in stdin_reader

2025-12-09 11:37:19.935 [error]   | ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
  +-+---------------- 1 ----------------
    | Traceback (most recent call last):
    |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/mcp/server/stdio.py", line 71, in stdin_reader

2025-12-09 11:37:19.935 [error]     |     await read_stream_writer.send(session_message)

2025-12-09 11:37:19.935 [error]     |     await read_stream_writer.send(session_message)

2025-12-09 11:37:19.935 [error]     |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/streams/memory.py", line 262, in send

2025-12-09 11:37:19.935 [error]     |   File "/home/seedron/.cache/uv/archive-v0/x0KwZdmmoCJQVACLNHttj/lib/python3.12/site-packages/anyio/streams/memory.py", line 262, in send

2025-12-09 11:37:19.936 [error]     |     raise BrokenResourceError from None

2025-12-09 11:37:19.936 [error]     |     raise BrokenResourceError from None

2025-12-09 11:37:19.936 [error]     | anyio.BrokenResourceError
    +------------------------------------

2025-12-09 11:37:19.936 [error]     | anyio.BrokenResourceError
    +------------------------------------

2025-12-09 11:37:20.134 [info] Client closed for command

Tool Call Parameters / 工具调用参数

If the bug is related to calling the codex tool, please provide the parameters used.
若该故障与调用 codex 工具相关，请提供所用参数。
调用时tool not found，看不到所用参数

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