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source-code-research

Fetch and analyze package source code from npm, PyPI, crates, and GitHub.

Updated Jan 9, 2026
Search Tags:#code analysis#debugging#source code#opensrc#implementation details#library internals
One-click install
npx skills add https://github.com/maplin-co/ai-course --skill source-code-research-maplin-co
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: source-code-research
Source: https://github.com/maplin-co/ai-course/tree/main/.opencode/skill/source-code-research
Command: npx skills add https://github.com/maplin-co/ai-course --skill source-code-research-maplin-co

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill helps you understand the inner workings of libraries and packages when their documentation is insufficient, unclear, or missing critical details.

Core Features & Use Cases

  • Source Code Fetching: Automatically downloads the source code of npm packages, Python libraries, Rust crates, or GitHub repositories.
  • Code Navigation & Analysis: Provides tools to search, read, and analyze the fetched source code to understand implementation details, edge cases, and patterns.
  • Use Case: You're using a Python library and encounter unexpected behavior. Instead of guessing, you use this Skill to fetch the library's source code, pinpoint the exact function causing the issue, and read its implementation to understand why it behaves that way.

Quick Start

Fetch the source code for the 'zod' npm package.

Frequently Asked Questions about source-code-research

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

FAQPage Schema
How do I analyze library source code to debug unexpected behavior?▼

To analyze library source code, you can fetch packages from npm, PyPI, Rust crates, or GitHub. Once downloaded, use search and read operations to pinpoint exact functions and understand the implementation details causing unexpected behavior.

What is the best way to understand library internals when API documentation is missing details?▼

Understanding library internals when API documentation is missing details is best achieved by fetching the actual source code. This allows you to directly inspect implementation patterns, edge cases, and internal logic that external documentation often omits.

Can I fetch source code from a GitHub repository to inspect implementation patterns?▼

Yes, you can fetch source code directly from GitHub repositories to inspect implementation patterns. The tool supports retrieving code from GitHub alongside npm packages, Python libraries, and Rust crates for comprehensive internal analysis.

Does source code analysis work with Python libraries and Rust crates?▼

Source code analysis works with Python libraries and Rust crates, as well as npm packages and GitHub repositories. You can retrieve the source code for these formats to investigate edge cases and understand how internal functions operate.

Why does a library behave unexpectedly and how do I find the root cause in the code?▼

A library behaves unexpectedly due to hidden edge cases or specific implementation logic. You can find the root cause by fetching the source code, searching for the exact function, and reading its internal implementation to see how it handles your specific inputs.

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