Schema | Codex Control Plane MCP

Codex Control Plane MCP

Describes the environment variables required to run the server.

Name	Required	Description
`CODEX_HOME`	No	Codex home directory. In central worker mode, every MCP client should use the same CODEX_HOME.
`CODEX_MCP_STATE_DB`	No	Path to the SQLite state database. In central worker mode, every MCP client should use the same CODEX_MCP_STATE_DB.
`CODEX_MCP_EXECUTION_MODE`	No	Execution mode for the server. Default is 'inline'. Use 'client' for MCP clients in central worker mode (clients call codex_submit_task and poll status, they do not execute queued operations themselves), or 'worker' for the long-running worker process (codex-control-plane-mcp-worker).
`CODEX_MCP_MAX_ACTIVE_TURNS_GLOBAL`	No	Maximum number of active turns globally. Default: 4.
`CODEX_MCP_MAX_ACTIVE_TURNS_PER_AGENT`	No	Maximum number of active turns per agent. Default: 3.
`CODEX_MCP_MAX_ACTIVE_TURNS_PER_THREAD`	No	Maximum number of active turns per thread. Default: 1.
`CODEX_MCP_MAX_ACTIVE_TURNS_PER_PROJECT`	No	Maximum number of active turns per project. Default: 3.
`CODEX_MCP_MAX_APP_SERVER_PENDING_REQUESTS`	No	Maximum number of pending app-server requests. Default: 8.
`CODEX_MCP_MAX_ACTIVE_WRITE_TURNS_PER_PROJECT`	No	Maximum number of active write turns per project. Default: 1.

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Server capabilities have not been inspected yet.

Functions exposed to the LLM to take actions

Name	Description
No tools

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

This server cannot be deployed

ActivityActive

ResponsivenessNo issues