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Check job status (free)

codex_job_status
Read-only

Check a background job's lifecycle state without fetching its full result. Returns status, elapsed time, expiry, and whether the result is ready or failed.

Instructions

Deprecated: use amicus_job_status. Check a background job's lifecycle state without fetching the full result.

Use after any *_async call (codex_delegate_async, codex_consult_async, codex_review_changes_async) or any sync consult/review/delegate (whose meta.job_id names its record). Returns status, elapsed time, expiry, and result_available; when it is true, call codex_job_result. result_ok reports a done job's producer-declared outcome — true (success), false (a stored error envelope), or null (running, no stored envelope, an unclassifiable payload, or a record finalized before this field) — so you can spot a stored FAILURE without fetching it. It does not guarantee the payload is still fetchable; a cross-release record may report an outcome yet fail codex_job_result with job_result_incompatible. Free — no model call.

Honor poll_after_ms between polls — for a running job it GROWS with elapsed runtime (bounded), so following it backs you off instead of tight-looping (a delegate often runs ~20s). expires_at is null while running and is set once the job finishes; results are then retained ttl_seconds past that completion.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
job_idYesThe job_id from an *_async call or a sync call's meta.job_id; recover lost ids with codex_job_list. Control characters are rejected, not stripped.
workspace_rootNoAbsolute path to the target repo root — pass it (or an MCP root) to target the intended repo; otherwise the call falls back to the server's own cwd and sets meta.workspace_warning. On an active call it selects where Codex works, not what it can read — it is not a read boundary.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
okYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changedv0.19.0
    • changedInput schema / properties / job_id / description
      Previous value: -"The job_id from an *_async call or a sync call's meta.job_id; recover lost ids with codex_job_list."New value: +"The job_id from an *_async call or a sync call's meta.job_id; recover lost ids with codex_job_list. Control characters are rejected, not stripped."
    • addedInput schema / properties / job_id / pattern
      Added value: +"^[^\\x00-\\x1F\\x7F-\\x9F]*$"
    • changedInput schema / properties / workspace_root / description
      Previous value: -"Absolute path to the target repo root — pass it (or an MCP root) to target the intended repo; otherwise the call falls back to the server's own cwd and sets meta.workspace_warning."New value: +"Absolute path to the target repo root — pass it (or an MCP root) to target the intended repo; otherwise the call falls back to the server's own cwd and sets meta.workspace_warning. On an active call it selects where Codex works, not what it can read — it is not a read boundary."
  2. Changed2 schema fields changedv0.17.0
    • changedInput schema / properties / workspace_root / description
      Previous value: -"Absolute path to the target repository root. Pass it (or rely on an MCP root) so the call targets the intended repo; otherwise it falls back to the server's own cwd and meta.workspace_warning is set."New value: +"Absolute path to the target repo root — pass it (or an MCP root) to target the intended repo; otherwise the call falls back to the server's own cwd and sets meta.workspace_warning."
    • changedOutput schema / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "cleanup_warnings": {
      -        "items": {
      -          "type": "string"
      -        },
      -        "type": "array"
      -      },
      -      "deadline_seconds": {
      -        "type": "integer"
      -      },
      -      "detail": {
      -        "anyOf": [
      -          {
      -            "type": "string"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "elapsed_ms": {
      -        "type": "integer"
      -      },
      -      "event_age_ms": {
      -        "anyOf": [
      -          {
      -            "type": "integer"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "events_seen": {
      -        "type": "integer"
      -      },
      -      "expires_at": {
      -        "anyOf": [
      -          {
      -            "type": "string"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "fingerprint": {
      -        "type": "string"
      -      },
      -      "job_id": {
      -        "type": "string"
      -      },
      -      "kind": {
      -        "type": "string"
      -      },
      -      "last_event_at": {
      -        "anyOf": [
      -          {
      -            "type": "string"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "ok": {
      -        "const": true,
      -        "type": "boolean"
      -      },
      -      "poll_after_ms": {
      -        "type": "integer"
      -      },
      -      "result_available": {
      -        "type": "boolean"
      -      },
      -      "server_version": {
      -        "anyOf": [
      -          {
      -            "type": "string"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "started_at": {
      -        "type": "string"
      -      },
      -      "status": {
      -        "enum": [
      -          "running",
      -          "done",
      -          "failed",
      -          "cancelled",
      -          "timeout"
      -        ],
      -        "type": "string"
      -      },
      -      "ttl_seconds": {
      -        "type": "integer"
      -      },
      -      "workspace": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "cwd": {
      -            "type": "string"
      -          },
      -          "workspace_source": {
      -            "anyOf": [
      -              {
      -                "type": "string"
      -              },
      -              {
      -                "type": "null"
      -              }
      -            ]
      -          },
      -          "workspace_warning": {
      -            "anyOf": [
      -              {
      -                "type": "string"
      -              },
      -              {
      -                "type": "null"
      -              }
      -            ]
      -          }
      -        },
      -        "required": [
      -          "cwd"
      -        ],
      -        "type": "object"
      -      }
      -    },
      -    "required": [
      -      "job_id",
      -      "kind",
      -      "status",
      -      "started_at",
      -      "elapsed_ms",
      -      "deadline_seconds",
      -      "ttl_seconds",
      -      "workspace"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "properties": {
      -      "error": {
      -        "description": "Populated error envelope; full schema at resource codex://error-envelope",
      -        "type": "object"
      -      },
      -      "meta": {
      -        "type": "object"
      -      },
      -      "ok": {
      -        "const": false
      -      }
      -    },
      -    "required": [
      -      "ok",
      -      "error",
      -      "meta"
      -    ],
      -    "type": "object"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "cleanup_warnings": {
      +        "items": {
      +          "type": "string"
      +        },
      +        "type": "array"
      +      },
      +      "deadline_seconds": {
      +        "type": "integer"
      +      },
      +      "detail": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "elapsed_ms": {
      +        "type": "integer"
      +      },
      +      "event_age_ms": {
      +        "anyOf": [
      +          {
      +            "type": "integer"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "events_seen": {
      +        "type": "integer"
      +      },
      +      "expires_at": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "fingerprint": {
      +        "type": "string"
      +      },
      +      "job_id": {
      +        "type": "string"
      +      },
      +      "kind": {
      +        "type": "string"
      +      },
      +      "last_event_at": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "ok": {
      +        "const": true,
      +        "type": "boolean"
      +      },
      +      "poll_after_ms": {
      +        "type": "integer"
      +      },
      +      "result_available": {
      +        "type": "boolean"
      +      },
      +      "result_ok": {
      +        "anyOf": [
      +          {
      +            "type": "boolean"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "server_version": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "started_at": {
      +        "type": "string"
      +      },
      +      "status": {
      +        "enum": [
      +          "running",
      +          "done",
      +          "failed",
      +          "cancelled",
      +          "timeout"
      +        ],
      +        "type": "string"
      +      },
      +      "ttl_seconds": {
      +        "type": "integer"
      +      },
      +      "workspace": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "cwd": {
      +            "type": "string"
      +          },
      +          "workspace_source": {
      +            "anyOf": [
      +              {
      +                "type": "string"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ]
      +          },
      +          "workspace_warning": {
      +            "anyOf": [
      +              {
      +                "type": "string"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ]
      +          }
      +        },
      +        "required": [
      +          "cwd"
      +        ],
      +        "type": "object"
      +      }
      +    },
      +    "required": [
      +      "job_id",
      +      "kind",
      +      "status",
      +      "started_at",
      +      "elapsed_ms",
      +      "deadline_seconds",
      +      "ttl_seconds",
      +      "result_ok",
      +      "workspace"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "properties": {
      +      "error": {
      +        "description": "Populated error envelope; full schema at resource codex://error-envelope",
      +        "type": "object"
      +      },
      +      "meta": {
      +        "type": "object"
      +      },
      +      "ok": {
      +        "const": false
      +      }
      +    },
      +    "required": [
      +      "ok",
      +      "error",
      +      "meta"
      +    ],
      +    "type": "object"
      +  }
      +]
  3. Changed1 schema field changedv0.11.0
    • changedOutput schema / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "cleanup_warnings": {
      -        "items": {
      -          "type": "string"
      -        },
      -        "type": "array"
      -      },
      -      "deadline_seconds": {
      -        "type": "integer"
      -      },
      -      "detail": {
      -        "anyOf": [
      -          {
      -            "type": "string"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "elapsed_ms": {
      -        "type": "integer"
      -      },
      -      "event_age_ms": {
      -        "anyOf": [
      -          {
      -            "type": "integer"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "events_seen": {
      -        "type": "integer"
      -      },
      -      "expires_at": {
      -        "anyOf": [
      -          {
      -            "type": "string"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "fingerprint": {
      -        "type": "string"
      -      },
      -      "job_id": {
      -        "type": "string"
      -      },
      -      "kind": {
      -        "type": "string"
      -      },
      -      "last_event_at": {
      -        "anyOf": [
      -          {
      -            "type": "string"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "ok": {
      -        "const": true,
      -        "type": "boolean"
      -      },
      -      "poll_after_ms": {
      -        "type": "integer"
      -      },
      -      "result_available": {
      -        "type": "boolean"
      -      },
      -      "started_at": {
      -        "type": "string"
      -      },
      -      "status": {
      -        "enum": [
      -          "running",
      -          "done",
      -          "failed",
      -          "cancelled",
      -          "timeout"
      -        ],
      -        "type": "string"
      -      },
      -      "ttl_seconds": {
      -        "type": "integer"
      -      },
      -      "workspace": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "cwd": {
      -            "type": "string"
      -          },
      -          "workspace_source": {
      -            "anyOf": [
      -              {
      -                "type": "string"
      -              },
      -              {
      -                "type": "null"
      -              }
      -            ]
      -          },
      -          "workspace_warning": {
      -            "anyOf": [
      -              {
      -                "type": "string"
      -              },
      -              {
      -                "type": "null"
      -              }
      -            ]
      -          }
      -        },
      -        "required": [
      -          "cwd"
      -        ],
      -        "type": "object"
      -      }
      -    },
      -    "required": [
      -      "job_id",
      -      "kind",
      -      "status",
      -      "started_at",
      -      "elapsed_ms",
      -      "deadline_seconds",
      -      "ttl_seconds",
      -      "workspace"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "properties": {
      -      "error": {
      -        "description": "Populated error envelope; full schema at resource codex://error-envelope",
      -        "type": "object"
      -      },
      -      "meta": {
      -        "type": "object"
      -      },
      -      "ok": {
      -        "const": false
      -      }
      -    },
      -    "required": [
      -      "ok",
      -      "error",
      -      "meta"
      -    ],
      -    "type": "object"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "cleanup_warnings": {
      +        "items": {
      +          "type": "string"
      +        },
      +        "type": "array"
      +      },
      +      "deadline_seconds": {
      +        "type": "integer"
      +      },
      +      "detail": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "elapsed_ms": {
      +        "type": "integer"
      +      },
      +      "event_age_ms": {
      +        "anyOf": [
      +          {
      +            "type": "integer"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "events_seen": {
      +        "type": "integer"
      +      },
      +      "expires_at": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "fingerprint": {
      +        "type": "string"
      +      },
      +      "job_id": {
      +        "type": "string"
      +      },
      +      "kind": {
      +        "type": "string"
      +      },
      +      "last_event_at": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "ok": {
      +        "const": true,
      +        "type": "boolean"
      +      },
      +      "poll_after_ms": {
      +        "type": "integer"
      +      },
      +      "result_available": {
      +        "type": "boolean"
      +      },
      +      "server_version": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "started_at": {
      +        "type": "string"
      +      },
      +      "status": {
      +        "enum": [
      +          "running",
      +          "done",
      +          "failed",
      +          "cancelled",
      +          "timeout"
      +        ],
      +        "type": "string"
      +      },
      +      "ttl_seconds": {
      +        "type": "integer"
      +      },
      +      "workspace": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "cwd": {
      +            "type": "string"
      +          },
      +          "workspace_source": {
      +            "anyOf": [
      +              {
      +                "type": "string"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ]
      +          },
      +          "workspace_warning": {
      +            "anyOf": [
      +              {
      +                "type": "string"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ]
      +          }
      +        },
      +        "required": [
      +          "cwd"
      +        ],
      +        "type": "object"
      +      }
      +    },
      +    "required": [
      +      "job_id",
      +      "kind",
      +      "status",
      +      "started_at",
      +      "elapsed_ms",
      +      "deadline_seconds",
      +      "ttl_seconds",
      +      "workspace"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "properties": {
      +      "error": {
      +        "description": "Populated error envelope; full schema at resource codex://error-envelope",
      +        "type": "object"
      +      },
      +      "meta": {
      +        "type": "object"
      +      },
      +      "ok": {
      +        "const": false
      +      }
      +    },
      +    "required": [
      +      "ok",
      +      "error",
      +      "meta"
      +    ],
      +    "type": "object"
      +  }
      +]
  4. Changed2 schema fields changedv0.8.0
    • changedInput schema / properties / job_id / description
      Previous value: -"The job_id returned by an *_async call (codex_*_async); recover lost ids with codex_job_list."New value: +"The job_id from an *_async call or a sync call's meta.job_id; recover lost ids with codex_job_list."
    • addedOutput schema / $schema
      Added value: +"https://json-schema.org/draft/2020-12/schema"
  5. First observedv0.5.0

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Goes well beyond readOnlyHint/openWorldHint: explains result_ok tri-state semantics (true/false/null), the cross-release incompatibility failure mode (job_result_incompatible), the free/no-model-call cost, poll_after_ms backoff behavior, and the expiry/ttl_seconds retention rule. This is exactly the behavioral context annotations can't carry.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loads the deprecation and the core purpose, but the middle is dense with parentheticals and em-dashes. It's information-rich but reads as a wall, and the deprecation notice competes with the actual usage guidance for the opening position.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite an output schema existing, the description correctly focuses on call semantics an agent needs: when to poll, how to back off, what result_ok means, and what happens after expiry. Nothing an agent needs to invoke it correctly is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3. The description adds real value on workspace_root ('selects where Codex works, not what it can read'), which is a subtle semantic the schema alone also states but the description reinforces in context, and it explains job_id provenance via the async/sync flows.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource: check a background job's lifecycle state without fetching the full result. Distinguishes itself from codex_job_result, codex_job_cancel, and codex_job_list, though the deprecated first sentence ('use amicus_job_status') undermines the otherwise clear current purpose.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says when to use it ('after any *_async call or sync consult/review/delegate') and names the follow-up condition ('when result_available is true, call codex_job_result'). Also discloses the deprecation and the replacement tool, which is a rare and useful routing cue.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.