Exa · Codex
Add the Exa MCP server to Codex
Neural web search, page fetching and multi-step research for agents.
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1. Add the server
Run in your terminal
codex mcp add exa --url https://mcp.exa.ai/mcp
2. Sign in
Run codex mcp login <name> to complete OAuth for a remote server. Exa is hosted by Exa, so there is nothing to install or keep updated.
3. Try it
Ask Codex for something Exa can do. Neural web search, page fetching and multi-step research for agents. Approve the first tool call and check the result before allowing write actions automatically.
- · Each server is a [mcp_servers.<name>] table in config.toml.
- · Use enabled_tools or disabled_tools to keep the tool list short.
FAQ
- How do I add the Exa MCP server to Codex?
- Run: codex mcp add exa --url https://mcp.exa.ai/mcp. Run codex mcp login <name> to complete OAuth for a remote server.
- Is this the official Exa MCP server?
- Yes. It is published by Exa as ai.exa/exa in the official MCP registry.
- Does the Exa MCP server need an API key?
- It is a hosted server. Most hosted servers sign you in with OAuth the first time Codex uses them; check Exa's docs for any plan or permission requirements.
Links
Exa in other clients
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Work at Exa?
Feature Exa across the directory and its category from $49/month.
Reviewed Oct 5, 2026. Command generated from the registry record and checked against Codex's documented syntax.