OpenAI
Codex
Codex CLI, the IDE extension and the desktop app share this configuration. Restart the client, then use /mcp to check it.
export RAYGUM_MCP_TOKEN='rg_mcp_your_token_here'[mcp_servers.raygum]
url = "https://mcp.raygum.com/mcp"
bearer_token_env_var = "RAYGUM_MCP_TOKEN"