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Browse downloadable skills with clear use cases, installation steps, and files you can inspect before using them.
Every listing includes a use case, requirements, limitations, an evidence label, and a source-check date. Inclusion is editorial selection, not an endorsement or a promise of compatibility.
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Review and evidence checklist
Record behavior checks and actual validation results.
- Best for
- Record behavior checks and actual validation results.
- Requires
- A change to inspect and its acceptance criteria.
- Limit
- A checklist supports review; it does not prove correctness.
AboutCodex template · Checked 2026-09-10
View template : Review and evidence checklistProject brief template
Define the outcome, constraints, and acceptance evidence.
- Best for
- Define the outcome, constraints, and acceptance evidence.
- Requires
- A concrete project task.
- Limit
- You must supply the actual context and commands.
AboutCodex template · Checked 2026-09-10
View template : Project brief templateFocused review skill scaffold
Start a reusable procedure with inputs, steps, and an output contract.
- Best for
- Start a reusable procedure with inputs, steps, and an output contract.
- Requires
- A text editor and a procedure to adapt.
- Limit
- A starting template; not independently evaluated in your project.
AboutCodex template · Checked 2026-09-10
View template : Focused review skill scaffoldAboutCodex AGENTS.md builder
Generate a repository briefing from your own project facts.
- Best for
- Generate a repository briefing from your own project facts.
- Requires
- A browser; JavaScript for generation.
- Limit
- Generated instructions need human review.
Generation, copy & download checked locally · Checked 2026-09-10
View tool : AboutCodex AGENTS.md builderGitHub pull-request documentation
Understand the review and merge process.
- Best for
- Understand the review and merge process.
- Requires
- A GitHub repository with appropriate access.
- Limit
- Repository rules vary; follow your project’s process.
Curated primary reference · Checked 2026-09-10
View reference : GitHub pull-request documentationCodex plugin documentation
Understand plugin capabilities and setup.
- Best for
- Understand plugin capabilities and setup.
- Requires
- A supported client and the plugin’s prerequisites.
- Limit
- Availability and requirements vary by plugin.
Curated primary reference · Checked 2026-09-10
View reference : Codex plugin documentationCodex MCP documentation
Understand supported server connections and configuration.
- Best for
- Understand supported server connections and configuration.
- Requires
- A compatible server and required authentication.
- Limit
- Each server has its own capabilities and permissions.
Curated primary reference · Checked 2026-09-10
View reference : Codex MCP documentationAGENTS.md documentation
Understand instruction discovery and scope.
- Best for
- Understand instruction discovery and scope.
- Requires
- A project with repository instructions.
- Limit
- Conflicting project instructions still need review.
Curated primary reference · Checked 2026-09-10
View reference : AGENTS.md documentationCodex skill documentation
Understand SKILL.md structure and skill invocation.
- Best for
- Understand SKILL.md structure and skill invocation.
- Requires
- A supported Codex client.
- Limit
- Documentation is not an evaluation of your skill.
Curated primary reference · Checked 2026-09-10
View reference : Codex skill documentationCodex CLI documentation
Official setup and command reference for terminal workflows.
- Best for
- Official setup and command reference for terminal workflows.
- Requires
- A terminal and an eligible Codex sign-in.
- Limit
- Behavior varies with the installed version.
Curated primary reference · Checked 2026-09-10
View reference : Codex CLI documentation