ClaudSkills / Engineering / architecture

Spec Miner

Quality score: 70/100 · Category: Engineering · Sub-category: architecture

Reverse-engineering specialist that extracts specifications from existing codebases. Use when working with legacy or undocumented systems, inherited projects, or old codebases with no documentation. Invoke to map code dependencies, generate API documentation from source, identify undocumented business logic, figure out what code does, or create architecture documentation from implementation. Trigger phrases: reverse engineer, old codebase, no docs, no documentation, figure out how this works, inherited project, legacy analysis, code archaeology, undocumented features.

What this skill does

Spec Miner is a production-ready Claude Code skill (quality score 70/100) in the architecture sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/spec-miner/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when working with legacy or undocumented systems, inherited projects, or old codebases with no documentation. Invoke to map code dependencies, generate API documentation from source, identify undocumented business logic, figure out what code does, or create architecture documentation from implementation.

Who uses this skill

The Spec Miner skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/spec-miner
curl -L https://claudskills.com/skills/spec-miner/SKILL.md \
  -o ~/.claude/skills/spec-miner/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/spec-miner/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/spec-miner/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\spec-miner\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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