MCP unsupported call
Open 💬 2 comments Opened Jul 2, 2026 by sunwei-yhc
What version of Codex CLI is running?
codex-cli 0.142.5
What subscription do you have?
No
Which model were you using?
MinimaxM3
What platform is your computer?
macOS-M3Max-版本：26.5.1
What terminal emulator and version are you using (if applicable)?
Ghostty
Codex doctor report
three MCP services, codegraph, context7, and chrome_devtools.
All three calls return 'unsupported call'What issue are you seeing?
After connecting to the Minimax M3 model, the model can be used normally, but the MCP tool in codexcli cannot be used properly, with an error message: parallel testing of the three MCP services, codegraph, context7, and chrome_devtools.
All three calls return 'unsupported call'
What steps can reproduce the bug?
<img width="3262" height="1854" alt="Image" src="https://github.com/user-attachments/assets/ce8723df-9c49-4955-be41-0c363fccf4b0" />
What is the expected behavior?
_No response_
Additional information
_No response_
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