State Machine Python Packages

transitions

A lightweight, object-oriented finite state machine implementation in Python with many extensions

python-statemachine

Expressive statecharts and FSMs for modern Python.

django-fsm

Django friendly finite state machine support

burr

Build applications that make decisions (chatbots, agents, simulations, etc...). Monitor, trace, persist, and execute on your own infrastructure.

integration-automation-patterns

Enterprise integration patterns: idempotent event processing, saga orchestration, transactional outbox, and webhook validation for reliable system-of-record sync

stratum-mcp

State machine dispatch server for AI agent workflows. Typed YAML specs, MCP server (stratum-mcp), and Python library (stratum-py) — postconditions, retries, gates, and auditable execution traces for Claude Code and Codex.

besser

A Python-based low-modeling low-code open-source platform for smart and AI-enhanced software

patitas

ฅᨐฅ Patitas — CommonMark Markdown parser for Python 3.14+ with typed AST and free-threading

rosettes

⌾⌾⌾ Rosettes — ReDoS-safe syntax highlighter for Python 3.14+ with free-threading.

context-compiler

Deterministic state engine for managing conversation state and constraints in LLM applications.

fsmpy

Minimal state machine

avtomatika

High-performance state-machine based orchestrator for managing complex AI agents and asynchronous workflows. Separates process logic (Blueprints) from execution (Workers).

gopher-mcp-python-native-win32-x64

Native library for gopher-mcp-python (Windows x64)

gopher-mcp-python-native-win32-arm64

Native library for gopher-mcp-python (Windows ARM64)

gopher-mcp-python

Python SDK for Gopher MCP - AI Agent orchestration framework with native performance

gopher-mcp-python-native-linux-x64

Native library for gopher-mcp-python (Linux x64)

gopher-mcp-python-native-darwin-x64

Native library for gopher-mcp-python (macOS Intel)

gopher-mcp-python-native-darwin-arm64

Native library for gopher-mcp-python (macOS ARM64)

gopher-mcp-python-native-linux-arm64

Native library for gopher-mcp-python (Linux ARM64)

zproc

Process on steroids

bpod-core

A Python library for communicating with the Bpod Finite State Machine

rafcon

RAFCON (RMC advanced flow control) uses hierarchical state machines, featuring concurrent state execution, to represent robot programs. It ships with a graphical user interface supporting the creation of state machines and contains IDE like debugging mechanisms. Alternatively, state machines can programmatically be generated using RAFCON's API.

routemaster

A state machine service.

django-river

Django workflow library that supports on the fly changes ⛵