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signetry

signetry

A change-control plane for coding agents.

Coding agents (Claude Code, Codex, Cursor, Copilot, Devin) can change your repository. signetry-core is the layer that decides how much authority a given change has earned — and proves it — for any agent. It sits above the agent, at the repository, where governance is enforceable.

For every change it runs one deterministic pipeline:

executable contract  →  untrusted-text quarantine  →  required checks  →
independent verifier  →  earned authority (0/1/2)  →  Ed25519-signed receipt

The governing insight: a coding agent cannot approve its own authority to make a change. The patch-writer is never the patch-approver. auto_merge is always false — a human merges.

Where to start

  • Quickstart — install and govern a change in minutes.
  • Concepts — the pipeline, earned authority, receipts.
  • GitHub Action — govern every PR (on the Marketplace).
  • Security — threat model and honest scope.

Install

# source-available (All Rights Reserved); not on PyPI — install from source
pip install "signetry-core @ git+https://github.com/Signetry/core@v0.6.0"

License & contributing

signetry-core is source-available — the code is public to read, evaluate, and contribute to, but it is not open source. It is All Rights Reserved (© 2026 Binay Dalai) and installed from source (not PyPI).

Contributions are welcome under a Contributor License Agreement: you can contribute and you'll be credited (in CONTRIBUTORS.md, the Git history, and release notes), but you gain no right to use, sell, or rebrand the project — the owner retains all rights. See CONTRIBUTING.md, the CLA, and the good-first-issues board.