github project

Agent ready

OpenAI Codex

Review before use

Open-source coding agent that runs in the terminal. GitHub metadata was checked on 2026-06-27; the listed license is no-fee and permissive for review, evaluation, and responsible reuse.

Source review

Source

Open the upstream repository and check maintainers, README scope, examples, and recent activity.

License

Confirm Apache-2.0 terms fit your project and retain notices when required.

Install behavior

Read commands before running them and start with a low-risk local workspace.

Verification

Check outputs, safety notes, and policy fit before exposing the resource to agent workflows.

Why use it

Use it when a project needs terminal-based agentic coding workflows and the team wants inspectable provenance before adoption.

When to use

  • You need terminal-based agentic coding workflows.
  • The upstream README and license fit the target project.
  • You can test the integration on non-production data first.

When not to use

  • A smaller dependency is enough.
  • The project overlaps with an existing framework in the same codebase.

Agent manifest preview

Use the manifest as structured review context before applying local policy.

{ "schemaVersion": "1.0", "slug": "openai-codex", "title": "OpenAI Codex", "kind": "github_project", "summary": "Open-source coding agent that runs in the terminal.", "sourceUrl": "https://github.com/openai/codex", "agentAccess": "approved", "license": { "spdx": "Apache-2.0", "allowsClosedSourceUse": true, "requiresNotice": true, "noLicenseFee": true }, "install": { "steps": [ "Read the quickstart and license.", "Build a minimal local example.", "Add production data, accounts, or tools only after review." ] }, "outputs": [ "library API", "agent workflow", "example application" ], "usage": { "whyUse": "Use it when a project needs terminal-based agentic coding workflows and the team wants inspectable provenance before adoption.", "whenToUse": [ "You need terminal-based agentic coding workflows.", "The upstream README and license fit the target project.", "You can test the integration on non-production data first." ], "whenNotToUse": [ "A smaller dependency is enough.", "The project overlaps with an existing framework in the same codebase." ], "safetyNotes": [ "Keep required license notices when redistributing copied source or bundled code.", "Start with read-only examples.", "Add tests around tool calls, retrieval, and irreversible actions." ] }, "repository": { "owner": "openai", "name": "codex", "stars": 93960, "defaultBranch": "main" }, "lifecycle": { "githubUpdatedAt": "2026-06-27T05:16:38Z", "githubPushedAt": "2026-06-27T04:49:14Z", "lastVerifiedAt": "2026-06-27T00:00:00.000Z" } }