Nagi Skills
Nagi Skills is a set of skill files that teach Claude Code, Codex, and similar agents to plan ideas and verify finished work, for anyone using an AI agent.
What it is good for
- Pressure-testing a plan or idea before starting work
- Choosing between a few technical approaches for a project
- Stopping an AI agent from claiming work is done without proof
- Turning repeated AI coding mistakes into automatic checks
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Free and open source
- Type
- Skill or plugin
- Tasks
- Works with
- Claude Code, Codex, Cursor, Antigravity
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 396
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Nagi Skills free?
- Yes. It is free and open source (MIT license).
- Do I need to know how to code to use Nagi Skills?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What does Nagi Skills work with?
- According to its own documentation, it works with Claude Code, Codex, Cursor, and Antigravity.
- What is Nagi Skills good for?
- Pressure-testing a plan or idea before starting work, choosing between a few technical approaches for a project, stopping an AI agent from claiming work is done without proof, and turning repeated AI coding mistakes into automatic checks.
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