Bernstein

Bernstein governs and orchestrates AI agents through declarative rules and replayable records.

github.com/sipyourdrink-ltd/bernstein
Bernstein homepage screenshot

About Bernstein

Bernstein is an open-source governance and orchestration framework for AI agents. Users write declarative rules for who may do what, what needs approval, and what must be recorded, and Bernstein enforces them and produces a verifiable, replayable record. A deterministic scheduler without a model in the coordination loop runs agents in parallel, gates outputs, and records steps so runs can be verified offline from artifacts alone.

It works with CLI coding agents including Claude Code, Codex, and Gemini CLI, and governs outputs such as diffs, research reports, and datasets. The project is in beta, is solo-maintained and under active development, and minor versions may change interfaces.

Key features

  • Define agent permissions, approvals, and recording rules declaratively
  • Enforce policies and produce verifiable, replayable run records
  • Run agents in parallel with deterministic scheduler without model coordination
  • Gate agent outputs and record every step
  • Verify runs offline from artifacts alone
  • Support CLI coding agents including Claude Code, Codex, and Gemini CLI
Best for: Developers and teams that need declarative policy enforcement and replayable records for AI agent work.
Good for
  • Open source under Apache-2.0 license
  • Produces verifiable, replayable records for agent runs
  • Works out of the box with existing CLI coding agents
Watch out for
  • In beta and under active development
  • Solo-maintained
  • Minor versions may change interfaces, so versions need pinning

Bernstein at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Bernstein FAQ

Which agents does Bernstein work with?
CLI coding agents including Claude Code, Codex, and Gemini CLI.
How can a run be checked after it finishes?
It can be verified offline from the artifacts alone.
Is Bernstein stable for production dependencies?
No. It is in beta and under active development, and minor versions may change interfaces, so pin the version.
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