prime-radiant-inc/greenfield
150 stars · Last commit 2026-06-06
A Claude Code plugin that reverse-engineers clean behavioral specs, test vectors, and acceptance criteria from any codebase, producing a provenance trail so a fresh team can reimplement without inheriting the original's internal structure.
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# Greenfield **Reverse engineer clean behavioral specs from any codebase.** Greenfield reads source code, documentation, SDKs, runtime behavior, and binaries, then produces behavioral specifications, test vectors, acceptance criteria, and a full provenance trail. The output describes *what* the software does — not *how* any particular codebase does it — so a fresh implementation team can build against the specs without inheriting the original's internal structure. Greenfield is a [Claude Code](https://claude.com/claude-code) plugin. It runs inside the `claude` CLI and uses Claude agents as the workers that read code, write specs, and audit output. ## Installation ```bash /plugin marketplace add prime-radiant-inc/prime-radiant-marketplace /plugin install greenfield@prime-radiant-marketplace ``` Restart Claude Code after installing. ## Usage ### Extract specs