state-machine

Open-source Go runtime for autonomous multi-agent systems. Swarm models work as durable state machines, persists state, supports replay/fork, and integrates with multiple LLM backends.

StateM is a Python CLI for managing long-running AI agents with explicit states, transition checks, runtime history, and resume/compaction support. The repo shows installation, quick-start commands, and a concrete coding-agent runbook example.

TypeScript SDK for building agent skills as typed state machines, with workflow steps, schema validation, branching, testing helpers, and packaging into distributable executables.

Aharness is an open-source workflow harness for Codex that turns coding-agent processes into enforced state machines with typed gates, validated evidence, controlled transitions, repair paths, and inspectable logs.

Trama helps teams plan and review agent-written code by turning app behavior into live state machines, proposals, tasks, and drift checks before code is written.