# Codebase Onboarding

Map an unfamiliar codebase and create an onboarding guide\.

Canonical: https://claudelist.com/listings/skill-affaan-m-ecc-codebase-onboarding

Category: Skills

Source: community · affaan\-m

Source checked: 2026-10-14

Website: https://github.com/affaan-m/ecc/tree/main/skills/codebase-onboarding

Map an unfamiliar codebase and create an onboarding guide. The upstream SKILL.md and its supporting files are maintained in affaan-m/ecc.

## Install or set up

1. Read codebase-onboarding’s SKILL.md and check its prerequisites at the source.
2. In your Claude Code project, run the command below to install this individual skill in project scope. Add `-g` if you want it in your personal scope.
3. Restart Claude Code and invoke `/codebase-onboarding` or ask Claude to use the skill. If it is unavailable, check `.claude/skills/` and the upstream setup notes.

```sh
npx skills add https://github.com/affaan-m/ecc/tree/main/skills/codebase-onboarding --agent claude-code
```

Installation guide: https://www.skills.sh/affaan-m/ecc/codebase-onboarding