How to install arena in Codex

To install arena in Codex, run "codex mcp add arena -- npx -y @dravensoft/arena-mcp" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 10 days ago

Run the install command

In a terminal, run:

codex mcp add arena -- npx -y @dravensoft/arena-mcp

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

Puter MCP enables AI tools to interact with Puter: manage files, websites, workers, and more

Open-source Obsidian for MDX - edit local docs with agent assistance

A private persistent computer: files and a bash shell that survive between runs.

Does arena work in Codex?

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

arena 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 arena safe?

It scores 78 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.