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codebase-summarizer

Analyze a repository to generate ARCHITECTURE.md with Mermaid diagrams and entry points.

Updated Jan 21, 2026
Search Tags:#architecture#documentation#onboarding#mermaid#codebase#diagrams#analyze
One-click install
npx skills add https://github.com/vecear/Nipponverb --skill codebase-summarizer-vecear
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: codebase-summarizer
Source: https://github.com/vecear/Nipponverb/tree/main/.claude/skills/codebase-summarizer
Command: npx skills add https://github.com/vecear/Nipponverb --skill codebase-summarizer-vecear

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Scans a codebase to automatically generate architecture documentation, helping teams understand structure, dependencies, and entry points without manual write-ups.

Core Features & Use Cases

  • Automated structure analysis: parses folders and files to reveal architecture patterns and module responsibilities.
  • Entry point detection: identifies main application files, routes, APIs, and CLI commands for quick navigation.
  • Data flow visualization: creates Mermaid diagrams showing data movement across layers (controllers → services → data stores).
  • ARCHITECTURE.md generation: produces a ready-to-use architecture document for onboarding and collaboration.
  • Guided navigation: provides a step-by-step guide to explore the codebase efficiently.

Quick Start

Analyze a repository and generate ARCHITECTURE.md with architecture overview, data flows, and onboarding guides.

Frequently Asked Questions about codebase-summarizer

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

FAQPage Schema
How do I generate architecture documentation from an existing codebase?▼

Architecture documentation generation scans your repository to identify project structure, entry points, and data flow. It produces an ARCHITECTURE.md file with system overviews, module relationships, and onboarding navigation without manual write-ups.

What is the best way to visualize codebase data flow and module relationships?▼

Visualizing codebase data flow and module relationships is done by generating Mermaid diagrams that map data movement across architectural layers like controllers, services, and data stores. This reveals module dependencies automatically.

Can I automatically detect entry points like APIs and CLI commands in a repository?▼

Yes, you can automatically detect entry points in a repository. The analysis identifies main application files, routes, APIs, and CLI commands to provide quick navigation and reveal the core architecture patterns.

Does automated architecture analysis work with codebases of varying sizes and programming languages?▼

Automated architecture analysis is applicable to codebases of varying sizes, programming languages, and structures. It parses folders and files to reveal architecture patterns regardless of the specific tech stack.

How do I create an onboarding guide for developers exploring a new codebase?▼

Creating an onboarding guide for a new codebase involves analyzing the repository to produce step-by-step navigation instructions. This guides developers efficiently through system structure, dependencies, and entry points.

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