Codex Subagent

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-10-21T00:45:56.520211Z",
      "publishedAt": "2026-10-21T00:45:56.520211Z",
      "statusChangedAt": "2026-10-21T00:45:56.520211Z"
    }
  },
  "server": {
    "name": "io.github.parisbs/codex-subagent-mcp",
    "title": "Codex Subagent",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.6.0",
    "packages": [
      {
        "version": "0.6.0",
        "transport": {
          "type": "stdio"
        },
        "identifier": "codex-subagent-mcp",
        "registryType": "npm",
        "environmentVariables": [
          {
            "name": "CODEX_SUBAGENT_MAX_DELEGATIONS_PER_HOUR",
            "format": "string",
            "description": "Delegation and follow-up processes per rolling hour: decimal integer 1 to 9007199254740991; unset means unrestricted. In memory per server; probes never count."
          },
          {
            "name": "CODEX_SUBAGENT_MAX_BACKGROUND_JOBS",
            "format": "string",
            "description": "Cap on running background jobs: decimal integer 1 to 8 (default 8). Blocking calls do not use this cap."
          },
          {
            "name": "CODEX_SUBAGENT_USAGE_LOG",
            "format": "string",
            "description": "Opt-in local usage log: on or off (default off). Records counts and settings, never prompts, code or paths; labels are caller text."
          },
          {
            "name": "CODEX_SUBAGENT_DEFAULT_MODEL",
            "format": "string",
            "description": "Model used when a call names none. Unset: the only entry of a single-entry CODEX_SUBAGENT_ALLOWED_MODELS, otherwise a call without a model is refused with a suggestion."
          },
          {
            "name": "CODEX_SUBAGENT_DEFAULT_EFFORT",
            "format": "string",
            "description": "Reasoning effort used when a call specifies none: none, minimal, low, medium, high, xhigh, max or ultra. Unset: the model's own default. Cannot exceed CODEX_SUBAGENT_MAX_EFFORT."
          },
          {
            "name": "CODEX_SUBAGENT_ALLOWED_MODELS",
            "format": "string",
            "description": "Comma-separated allow-list of model slugs; anything else is refused. Unset: unrestricted. A single entry acts as the default model; an empty entry is a configuration error."
          },
          {
            "name": "CODEX_SUBAGENT_DEFAULT_SANDBOX",
            "format": "string",
            "description": "Sandbox used when a call specifies none: read-only, workspace-write or danger-full-access. Defaults to read-only and cannot exceed the ceiling."
          },
          {
            "name": "CODEX_SUBAGENT_MAX_SANDBOX",
            "format": "string",
            "description": "Ceiling on what a delegation may do: read-only, workspace-write or danger-full-access. Defaults to workspace-write; danger-full-access must be set explicitly."
          },
          {
            "name": "CODEX_SUBAGENT_MAX_EFFORT",
            "format": "string",
            "description": "Ceiling on reasoning effort: none, minimal, low, medium, high, xhigh, max or ultra. Unset: unrestricted. Higher efforts are lowered to a supported level, or refused if none fits."
          },
          {
            "name": "CODEX_SUBAGENT_MCP_SERVERS",
            "format": "string",
            "description": "MCP servers from Codex's config a delegation keeps: none (default), all, or comma-separated names."
          },
          {
            "name": "CODEX_SUBAGENT_PLUGINS",
            "format": "string",
            "description": "Installed Codex plugins a delegation keeps: none (default), all, or comma-separated name@marketplace ids."
          },
          {
            "name": "CODEX_SUBAGENT_APPS",
            "format": "string",
            "description": "Whether a delegation keeps Codex's apps (connectors to external services): off (default) or on."
          },
          {
            "name": "CODEX_BIN",
            "format": "string",
            "description": "Codex executable name or path. Unset: codex, searched on PATH. On Windows it must run directly, such as codex.exe; a .cmd or .bat shim is refused."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/parisbs/codex-subagent-mcp",
      "source": "github"
    },
    "websiteUrl": "https://github.com/parisbs/codex-subagent-mcp#readme",
    "description": "Delegate coding tasks to the OpenAI Codex CLI, installed separately, with explicit model and effort."
  }
}