How to install Context Mode in Codex

To install Context Mode in Codex, run "codex mcp add context-mode -- npx -y context-mode" in your terminal, then type /mcp in Codex to check it.

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Run the install command

In a terminal, run:

codex mcp add context-mode -- npx -y context-mode

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

Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.

XcodeBuildMCP provides tools for Xcode project management, simulator management, and app utilities.

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Does Context Mode work in Codex?

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

Context Mode 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 Context Mode safe?

It scores 88 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.