Cheshire Cat

Overview

Cheshire Cat is an open-source Python microservice for building and orchestrating AI agents. It provides a core runtime that manages agent memory, tool use, and plugin-based extensions via a REST API.

Best for

Best for
Python developers building custom agent-based applications with memory and plugin extensibility

Use cases

• Deploy a custom conversational agent with persistent memory
• Orchestrate multi-step agent workflows using plugins
• Integrate agent capabilities into existing applications via API

Notes

Cheshire Cat is an open-source Python microservice for building and orchestrating AI agents. It provides a core runtime that manages agent memory, tool use, and plugin-based extensions via a REST API.

3,039 stars on GitHub. Last updated 2026-03-14. Licensed GPL-3.0.

Use cases

• Deploy a custom conversational agent with persistent memory
• Orchestrate multi-step agent workflows using plugins
• Integrate agent capabilities into existing applications via API

Pros

• Lightweight microservice architecture simplifies deployment
• Plugin system allows flexible extension without modifying core
• Active community with 3k+ GitHub stars and regular updates

Cons

• Limited to Python ecosystem, no native multi-language support
• Documentation can be sparse for advanced plugin development
• Smaller community compared to major orchestration frameworks

Indexed from awesome-langchain and enriched against its public facts.