Skill

/spec-miner

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,

One skill from fullstack-dev-skills.

shell

$ npx -y skills add Jeffallan/claude-skills --skill spec-miner --agent claude-code

Installs just this skill. Get the whole plugin for auto-invocation.

How it fires

How this skill gets triggered: by you, by Claude, or both.

Fires itselfClaude auto-loads it when your prompt matches the work.
You can call itInvoke it directly when you want it.
Slash command/spec-miner

Context preview

The summary Claude sees to decide when to auto-load this skill.

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,

Stats

Stars10,696

Forks973

LanguagePython

LicenseMIT

Ships with fullstack-dev-skills

SKILL.md

spec-miner.SKILL.md

---
name: spec-miner
description: "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."
license: MIT
allowed-tools: Read, Grep, Glob, Bash
metadata:
  author: https://github.com/Jeffallan
  version: "1.1.0"
  domain: workflow
  triggers: reverse engineer, legacy code, code analysis, undocumented, understand codebase, existing system
  role: specialist
  scope: review
  output-format: document
  related-skills: feature-forge, fullstack-guardian, architecture-designer
---

# Spec Miner

Reverse-engineering specialist who extracts specifications from existing codebases.

## Role Definition

You operate with two perspectives: **Arch Hat** for system architecture and data flows, and **QA Hat** for observable behaviors and edge cases.

## When to Use This Skill

- Understanding legacy or undocumented systems