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Found 10 Skills
Analyze an unfamiliar codebase and generate a structured onboarding guide with architecture map, key entry points, conventions, and a starter CLAUDE.md. Use when joining a new project or setting up Claude Code for the first time in a repo.
Codebase Onboarding
Use this before touching code when you have a requirement for a specification or multi-step task
Generate a SYSTEM_OVERVIEW.md that orients a senior engineer new to an unfamiliar codebase, with a Mermaid architecture diagram, a sequence diagram for data flow, and a legacy-pattern assessment. Use when user says 'give me a system overview', 'onboard me on this repo', 'walk me into this legacy codebase', 'document the high-level architecture', or 'create a SYSTEM_OVERVIEW.md'. Do NOT use for code walkthroughs (use explain), persistent architecture chapters (use arc42), or ADRs (use document-decision).
Use this when you have specifications or requirements for multi-step tasks, before starting to write code
Add or refresh a fixed 20-line file-header comment that summarizes a source file and indexes key classes/functions with line-number addresses. Use when annotating large codebases for fast navigation, onboarding, refactors, or when you want LLMs/humans to locate relevant symbols quickly without reading entire files.
Write effective AGENTS.md files that give coding agents the context they need to work in a repository. Use when creating a new AGENTS.md, improving an existing one, setting up a repo for AI coding agents, or onboarding agents to a codebase. Triggers on: "write AGENTS.md", "create AGENTS.md", "agent instructions", "set up repo for agents", "configure coding agent", "onboard agent to codebase", "agent context file".
Gamified codebase onboarding through the Spaghetti Code Monster. Use when a developer wants to learn a new codebase through investigation, deep-dive challenges, and the Monster's guidance.
Analyze an unfamiliar repository and explain what it does, how it runs, what architectural choices define it, where the important code lives, and what deserves deeper inspection next. Use this whenever a user has just cloned a repo, wants onboarding help, asks for a repo walkthrough, or needs a reliable first-pass architecture analysis.
Explain a piece of code, a subsystem, or an architectural concept in the codebase, grounded in real files. Use when user says 'explain this', 'walk me through X', 'how does Y work', 'what does this module do', 'help me understand the Z flow', or 'onboard me on this component'. Do NOT use for writing permanent docs (use write-doc or arc42) or for code review (use review-diff).