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Codebase Understanding Skills for Claude Code, Codex & AI Agents

These skills help an agent learn an unfamiliar codebase before editing it. They cover structural code search, dependency and call graphs, change impact analysis and packing a repo into context.

23 skills

Explore Codebase Understanding skills

3 skills
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ast-grep Code Search

ast-grep

Turn a code search request into an ast-grep pattern or rule, test it against an example, and search the project.

  • code search
  • ast
904Stars37Forks
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Official Claude-Mem demonstration: a coding session beside a browser showing persistent observations.
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Claude-Mem Smart Explore

Explore a codebase with tree-sitter search, outlines, and selective symbol expansion instead of loading every file.

116.9KStars10.1KForks
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Alex Newman (thedotmack)

ast-grep Outline

ast-grep

Map file and directory structure, imports, exports and direct members with ast-grep outline.

  • code navigation
  • ast
904Stars37Forks
Repository last pushed

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How to choose Codebase Understanding skills

Use ast-grep or graph skills to answer specific questions, impact analysis before a risky change, and repo packing when you need the whole project in context.

  • Answer questions about an unfamiliar repo
  • Estimate the impact of a change
  • Search code by structure, not text