by blader · Codex Skill · ★ 131
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schematic A skill that reverse engineers a detailed product and technical specification from a git branch's implementation. Use it when: A branch has shipped or is in-progress and needs documentation You need to understand what a branch does at product and architecture level Onboarding to someone else's feature branch Creating PR descriptions or design docs after the fact Produces a structured markdown spec covering problem statement, product requirements, architecture, technical design, file inventories, testing strategy, rollout plan, and risks. Install Claude Code Restart Claude Code to pick up the new skill. Codex Or use the built-in skill installer: Restart Codex to pick up the new skill. Usage In Claude Code or Codex, just ask: "Reverse engineer a spec from this branch" "Analyze this branch" "Write a spec from the code" "Document what this branch does" The skill will systematically analyze every file changed on the branch and produce a comprehensive specification document. How it works Scope the branch - Gets the full diff stats and categorizes files Parallel deep exploration - Launches 2-4 parallel agents to read file groups concurrently Cross-check for gaps - Diff
| Stars | 131 |
| Forks | 10 |
| Category | Codex Skill |
| License | MIT |
| Quality Score | 24.75/100 |
| Open Issues | 3 |
| Last Updated | 2026-03-11 |
| Created | 2026-02-15 |
| Platforms | claude-code, codex |
| Est. Tokens | ~1k |
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schematic is Claude Code / Codex skill: reverse engineer a product & technical spec from a git branch. It is categorized as a Codex Skill with 131 GitHub stars.
You can find installation instructions and usage details in the schematic GitHub repository at github.com/blader/schematic. The project has 131 stars and 10 forks, indicating an active community.
schematic is released under the MIT license, making it free to use and modify according to the license terms.
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