open_scion
Open-source source control for coding agents. Independent MIT implementation of the published Scion design.
Key features
- Clients fetch single objects and sparse trees instead of a full clone
- Blame, path history, and code search run on the server
- Lands a change with compare-and-swap instead of a merge queue
- Records every accepted reference update in a changeset log
- Stores state in SQLite or PostgreSQL plus object storage
- Per-agent tokens, an RPC allowlist, and branch policies
- MIT licensed. The server itself does not call a language model
- Version 0.1.0. It started as a fork of Gitaly
- Category
- Dev Tools
- Who it's for
- Developers running source control for coding agents.
- Tags
- gitagentsversion-controlcoding-agentbackground-jobsdatabasepostgresstoragesearch
- Website
- github.com
- Listed
- 2026-10-16
Frequently asked questions
Is open_scion free?
Yes. open_scion is open source and free to use.
What is open_scion used for?
Open-source source control for coding agents. Independent MIT implementation of the published Scion design. Typical uses: clients fetch single objects and sparse trees instead of a full clone; blame, path history, and code search run on the server; lands a change with compare-and-swap instead of a merge queue.
What are the best open_scion alternatives?
Alternatives in the same category include Neon, Redis, PlanetScale, Notion, Prisma.
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