How to install Guardian CLI in Codex

To install Guardian CLI in Codex, run "codex mcp add guardian-cli -- npx -y @contextecf/guardian-cli" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 7 days ago

Run the install command

In a terminal, run:

codex mcp add guardian-cli -- npx -y @contextecf/guardian-cli

2
Check it
Inside Codex, type /mcp to see the server and its tools.

MCP servers run with your permissions. If Guardian CLI needs an API key, add it under env in the config. Check its README.

Install Guardian CLI in another app

Claude Code Claude Desktop Cursor VS Code Windsurf Gemini CLI Antigravity CLI ChatGPT

Similar servers

Harness autonomous-ai

Start Claude Code and Codex agents the person can watch, wait for them and read their answers.

AAA Local 1.3k

MCP Registry Server modelcontextprotocol

Publish and discover MCP servers via the official MCP Registry. Powered by HAPI MCP server.

AFA Remote 7.4k

ref-tools-ref-tools-mcp ref-tools

Provide your AI coding tools with token-efficient access to up-to-date technical documentation for…

AAA Remote 1.2k

Questions

Does Guardian CLI work in Codex?

Yes. Codex supports mcp servers in the codex cli and ide extension, and Guardian CLI installs with the steps above.

Guardian CLI does not show up in Codex. What now?

Restart Codex fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is Guardian CLI safe?

It scores 68 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.