How to install Openapi MCP in Codex

To install Openapi MCP in Codex, run "codex mcp add openapi-mcp -- npx -y openapi-mcp" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 19 months ago

Run the install command

In a terminal, run:

codex mcp add openapi-mcp -- npx -y openapi-mcp

MCP servers run with your permissions. If Openapi MCP 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.

Codebase intelligence for AI coding agents — graph, git history, docs, decisions, code health.

Does Openapi MCP work in Codex?

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

Openapi MCP 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 Openapi MCP safe?

It scores 36 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.