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# Bernstein > Bernstein is a deterministic orchestrator for CLI coding agents (Claude Code, Codex, > Gemini CLI, and 40+ more). Scheduling is plain Python - no LLM in the coordination > loop - so runs are reproducible end to end. > > Every task runs in its own git worktree behind lint/type/test gates. An always-on > lineage spine and replay journal record what happened; an opt-in HMAC-chained audit > log and signed receipts make results independently checkable after the fact. > `bernstein artifact verify` and `bernstein audit verify --merkle-only` check from the > on-disk artefacts alone; replaying the HMAC chain needs the install's audit key. > Air-gap install profile included. Apache-2.0. ## How it runs Drop Bernstein into a repo and you get a multi-agent crew with file-based state in `.sdd/`, per-agent credential scoping, and per-artefact lineage - running on whichever CLI agents you already trust. Enable `--audit` for an HMAC-signed audit trail on top. ## Core Documentation - [Getting Started](https://bernstein.readthedocs.io/getting-started/install/): Install, configure, run first orchestration in 60 seconds - [Architecture & Concepts](https://bernstein.readthedocs.io/architecture/ARCHITECTURE/): Task server, agent spawner, janitor verification, worktree isolation - [Adapter Reference](https://bernstein.readthedocs.io/adapters/): 40+ supported agents - Claude Code, Codex, OpenAI Agents SDK v2, Gemini CLI, Cursor, Aider, Devin Terminal, CLM gateway, and more - [API Reference](https://bernstein.readthedocs.io/reference/openapi-reference/): 120+ REST endpoints for tasks, agents, cost tracking, quality gates ## Guides - [Benchmarks](https://bernstein.readthedocs.io/benchmarks/BENCHMARKS/): SWE-Bench Lite results for solo agents and orchestrated multi-agent runs - [Known Limitations](https://bernstein.readthedocs.io/reference/KNOWN_LIMITATIONS/): Honest constraints and workarounds ## Resources - [GitHub Repository](https://github.com/sipyourdrink-ltd/bernstein): Source code, issues, discussions - [PyPI Package](https://pypi.org/project/bernstein/): pip install bernstein - [Blog](https://bernstein.readthedocs.io/blog/ten-agents-one-release/): Engineering articles on multi-agent orchestration patterns - [Author](https://alexchernysh.com): Built by Alex Chernysh ([@alex_chernysh on X](https://x.com/alex_chernysh))