A powerful meta-prompting, context engineering and spec-driven development system that enables agents to work for long periods of time autonomously without losing track of the big picture
Skill Claude CodeCodex
Build software products autonomously via GSD headless mode. Handles the full lifecycle: write a spec, launch a build, poll for completion, handle blockers, track costs, and verify the result. Use when asked to "build something", "create a project", "run gsd", "check build status", or any task that requires autonomous…
Skill Claude CodeCodex
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Skill Claude CodeCodex
First calendar skill.
Skill Claude CodeCodex
A skill with consecutive hyphens in the name.
Skill Claude CodeCodex
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Skill Claude CodeCodex
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Skill Claude CodeCodex
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Skill Claude CodeCodex
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Skill Claude CodeCodex
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Skill Claude CodeCodex
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Skill Claude CodeCodex
A skill with a name that doesn't match the directory.
Skill Claude CodeCodex
A nested skill in a subdirectory.
Skill Claude CodeCodex
This skill has no YAML frontmatter at all.
Skill Claude CodeCodex
Root skill should win.
Skill Claude CodeCodex
Nested skill should be ignored.
Skill Claude CodeCodex
A skill with an unknown frontmatter field.
Skill Claude CodeCodex
A valid skill for testing purposes.
Skill Claude CodeCodex
Orchestrate GSD (Git Ship Done) projects programmatically via headless CLI. Use when an agent needs to create milestones from specs, execute dev workflows, monitor progress, check status, or control execution (pause/stop/skip/steer). Triggers on "run gsd", "create milestone", "execute project", "check gsd status"…
Skill Claude CodeCodex
Audit and improve web accessibility following WCAG 2.1 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible".
Skill Claude CodeCodex
Browser automation CLI for AI agents. Use when interacting with websites — navigating pages, filling forms, clicking buttons, taking screenshots, scraping/extracting data, logging in, or testing web apps. Triggers on "open a website", "fill out a form", "take a screenshot", "scrape data from a page", "test this web…
Skill Claude CodeCodex
Design or review an HTTP/REST/GraphQL API for versioning, pagination, error shapes, idempotency, auth, status codes, cache headers, and breaking-change management. Use when asked to "design an API", "shape the endpoints", "design the schema", "add a new endpoint", "review this API", or when building/modifying a public…
Skill Claude CodeCodex
Apply modern web development best practices for security, compatibility, and code quality. Use when asked to "apply best practices", "security audit", "modernize code", "code quality review", or "check for vulnerabilities".
Skill Claude CodeCodex
Ask a quick side question about your current work without derailing the main task. Answers from existing conversation context only — no tool calls, no file reads, single concise response. Use when you need a fast answer from what is already in this session.
Skill Claude CodeCodex
Deep code optimization audit using parallel specialist agents that hunt performance anti-patterns via pattern-based detection, avoiding anchoring bias. Covers DB queries, memory leaks, algorithmic complexity, concurrency, bundle size, dead code, I/O/network, rendering, caching, and build config. Use when asked to…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: