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codebase-onboarding

Analyze unfamiliar codebases and generate onboarding guides with architecture maps and CLAUDE.md.

2|Updated Mar 17, 2026
Search Tags:#architecture#documentation#onboarding#codebase#reconnaissance#starter-claude
One-click install
npx skills add https://github.com/nextc/nextc-claude --skill codebase-onboarding-nextc
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: codebase-onboarding
Source: https://github.com/nextc/nextc-claude/tree/main/nextc-ecc/skills/codebase-onboarding
Command: npx skills add https://github.com/nextc/nextc-claude --skill codebase-onboarding-nextc

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Analyze unfamiliar codebases and generate a structured onboarding guide that includes an architecture map, key entry points, conventions, and a starter CLAUDE.md to accelerate team ramp-up.

Core Features & Use Cases

  • Reconnaissance: surface project structure and core technologies without exhaustive file reads.
  • Architecture mapping: produce a map of modules, directories, and interaction points to orient new contributors.
  • Onboarding artifacts: generate a ready-to-use CLAUDE.md and an actionable starter guide tailored to the repo.
  • Use case: when joining a new project, run this to get a quick, reliable onboarding blueprint.

Quick Start

Provide a repository path to Claude Code and run the codebase-onboarding skill to generate an Onboarding Guide and a starter CLAUDE.md.

Frequently Asked Questions about codebase-onboarding

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate a codebase onboarding guide for a new repository?▼

To generate a codebase onboarding guide, provide a repository path and run the skill to analyze the unfamiliar codebase, producing a structured architecture map, key entry points, conventions, and a starter CLAUDE.md.

What is the best way to map an unfamiliar codebase architecture?▼

Mapping an unfamiliar codebase architecture is best done by performing reconnaissance to surface project structure and core technologies, then producing a map of modules, directories, and interaction points to orient new contributors.

Can I create a starter CLAUDE.md that respects existing project conventions?▼

Yes, you can create a starter CLAUDE.md that respects existing project standards by analyzing the repository to detect conventions, generating a ready-to-use onboarding artifact tailored to the repo.

Does codebase onboarding work without exhaustive file reads?▼

Codebase onboarding works without exhaustive file reads by performing reconnaissance to surface the project structure and core technologies, quickly orienting new contributors joining a project.

What is included in a structured codebase onboarding blueprint?▼

A structured codebase onboarding blueprint includes an architecture map of modules and directories, key entry points, detected conventions, an actionable starter guide, and a ready-to-use CLAUDE.md.

When do I need to generate a CLAUDE.md for a repository?▼

You need to generate a CLAUDE.md when introducing Claude Code to a new project or onboarding a user to a repository, providing a structured guide that accelerates team ramp-up.

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