MCP's not working in VS Code Extension or CLI since somewhere in November
What version of Codex is running?
0.79.0
What subscription do you have?
Pro
Which model were you using?
GPT-5.0, GPT-5.1 and GPT-5.2 issue is sometime old already
What platform is your computer?
MacOS
What issue are you seeing?
Check -> https://github.com/openai/codex/issues/6465#issuecomment-3719534473
<img width="1356" height="805" alt="Image" src="https://github.com/user-attachments/assets/3fc96054-fc94-4fb5-a005-83a44a07c27b" />
What steps can reproduce the bug?
{
"servers": {
"laravel-boost": {
"command": "php",
"args": [
"artisan",
"boost:mcp"
]
},
"herd": {
"command": "php",
"args": [
"/Applications/Herd.app/Contents/Resources/herd-mcp.phar"
],
"env": {
"SITE_PATH": "/Users/brunogomes/Documents/Herd/potencia-iberica"
}
},
"playwright": {
"command": "npx",
"args": [
"@playwright/mcp@latest"
]
},
"sequential-thinking": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-sequential-thinking"
]
},
"chrome-devtools": {
"command": "npx",
"args": [
"chrome-devtools-mcp@latest",
"--channel=canary",
"--headless=true",
"--isolated=true"
]
}
}
}
What is the expected behavior?
To work flawlessly detecting the .vscode/mcp.json using the VSCode extension
Additional information
I tried to install through Node and Brew, but the issue happens with any of the Cli installations
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