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codebase_investigator

Identify modules, classes, and dependencies across large codebases.

4|Updated Feb 25, 2026
Search Tags:#architecture#codebase#dependencies#monorepo#analyze#reverse-engineering#impact-analysis
One-click install
npx skills add https://github.com/dewitt/swarm --skill codebase-investigator
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: codebase_investigator
Source: https://github.com/dewitt/swarm/tree/main/skills/codebase_investigator
Command: npx skills add https://github.com/dewitt/swarm --skill codebase-investigator

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Codebase Investigator helps teams quickly build a comprehensive mental model of a codebase by identifying key modules, relationships, and dependencies, enabling targeted changes and better architecture decisions.

Core Features & Use Cases

  • Identify key modules, classes, and functions that are part of the problem and its solution, to map the system.
  • Understand why the code is written the way it is, question assumptions, and foresee ripple effects of changes.
  • Provide actionable insights and structured recommendations to the main agent, including architectural decisions and risk assessment.

Quick Start

Provide the repository path and your investigation goals to begin a deep architectural analysis.

Frequently Asked Questions about codebase_investigator

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

FAQPage Schema
How do I analyze a large monorepo to understand its architecture and dependencies?▼

To analyze a large monorepo, you can use a structured workflow to identify all relevant modules, classes, and dependencies, building a complete mental model of the codebase for targeted changes and architecture decisions.

What is the best way to trace cross-file impact before making changes to a multi-language project?▼

Tracing cross-file impact in a multi-language project involves comprehensive dependency discovery and reverse-engineering to foresee ripple effects, question assumptions, and assess risks before modifying the architecture.

How do I reverse-engineer a codebase to document architectural decisions during an audit?▼

Reverse-engineering a codebase during an architectural audit uses a tool-guided workflow to map key modules and relationships, providing structured documentation of why code is written the way it is.

Can I investigate bugs in a multi-language codebase by mapping system dependencies?▼

Yes, you can investigate bugs in a multi-language codebase by identifying key modules and functions, mapping system dependencies, and understanding relationships to pinpoint the root cause and impact.

How do I build a complete mental model of an unfamiliar codebase for feature impact analysis?▼

Building a mental model of an unfamiliar codebase for feature impact analysis requires identifying relevant modules and dependencies to trace ripple effects and foresee the consequences of targeted changes.

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