Engineering skills,
reviewed.
A reviewed directory of agent skills for Claude Code, Codex and other coding agents. Find one for the task in front of you, see what it can touch, and install it in one line.
Install once.
Use it in 70+ agents.
- Claude Code
- Codex
- Cursor
- GitHub Copilot
- Gemini CLI
- OpenCode
- Windsurf
- Cline
- Zed
- Warp
- Replit
Start with
the task.
Pick what you are doing. The directory narrows it down by stack and by what a skill is allowed to touch.
- Plan a feature11
- Design architecture or APIs20
- Implement a feature9
- Write tests15
- Fix a bug15
- Review code15
- Refactor or simplify7
- Secure an app19
- Improve performance14
- Set up CI/CD14
- Work with git15
- Ship a release16
- Design or change a database19
- Deploy and run infrastructure24
- Monitor and handle incidents6
- Write docs and decisions5
- Build a frontend or app20
- Build a backend or API19
- Upgrade or migrate8
- Work with agents12
Made at
Fieldbook.
Written here, held to the same review as everything else, and published with recorded evaluations.
Advise Project Approach
Make project decisions with evidence, clear tradeoffs, and a plan you can act on.
Explore skillnpx skills@latest add AaravKashyap12/advise-project-approach --skill advise-project-approachLean Engineering
Small changes, bounded workers, and real evidence. Give every edit a clear owner.
Explore skillnpx skills@latest add AaravKashyap12/lean-engineering --skill lean-engineeringSecure Launch
A security checklist shaped to your project before it goes live, with approved fixes checked one by one.
Explore skillnpx skills@latest add AaravKashyap12/secure-launch --skill secure-launchEfficiency Skill
Keep the main model in charge. Delegate bounded work when the handoff is worth it.
Explore skillnpx skills@latest add AaravKashyap12/efficiency-skill --skill efficiency-skill
Checked before
it is listed.
- 01
Licence checked
Only skills published under a licence you can use.
- 02
Scanned daily
Checked for remote code, destructive commands, secret handling and hidden instructions. A new flag pauses the listing.
- 03
Labelled and noted
Every page says what the skill can touch, with a Fieldbook note on what it is good for.
- 04
Read in full
Skills a person has read end to end carry the mark, with the date. The list grows every week.
Built a skill that makes agents engineer better?
Send it in, or send one you rely on. We read every submission and reply on GitHub either way.
Submit a skill