Skills
42 knowledge modules, loaded on demand by agents. Think of them as reference sheets the model consults when it's about to do a specific kind of work.
How skills load
Each agent lists the skills it wants in its YAML frontmatter (Claude Code) or TOML [skills] table (Codex). When the agent starts, those files are read into context. On Codex, users can also open the skill picker with $ to pull a specific skill into any conversation.
42 skills across 10 categories · Full source at /skills
Workflow & orchestration
The glue that makes agents coordinate sanely.
Cross-stack quality
What “done” and “safe to ship” actually mean.
Backend & data
Node, Python, FastAPI, SQL, APIs, databases.
Frontend & design
React, Next.js, Tailwind, mobile, visual design.
Security
Offensive, defensive, hardening.
Ops & performance
Deployments, profiling, server hygiene.
LLM & AI
Observability and building on top of AI runtimes.
SEO & GEO
Traditional search and AI search visibility.
Shells & platforms
Terminal fluency by OS.
Apps & games
Scaffolds and domain-specific work.