Cheshire Cat AI (Stregatto) is a Python-based agent framework for education and research, focusing on making AI agents understandable and extensible via vibe coding. Latest releases include 2.0.23 as of 2026-07-08, with multiple past 2.x updates.
Collecting history — the radar snapshots this repo daily. The trend line appears after 3 days of data (1 so far).
What it is
Cheshire Cat AI (Stregatto) is an AI agent framework intended for education and research, designed to be easy to understand and extend through vibe coding / agentic engineering. The project targets learning how AI agents work and publishing agents on the web.
How it works
The repository describes a framework for building AI agents with an emphasis on bottom-up clarity. It includes a quickstart sequence that involves initializing a bare project, adding Cheshire Cat AI, and running the agent, which exposes a UI at localhost:1865 and a REST API playground at localhost:1865/docs. The README notes that Version 2 is an unstable alpha with breaking changes and incomplete features.
Getting started
If starting from an empty folder:
uv init --bare
uv add cheshire-cat-ai
uv run ccat
- UI on http://localhost:1865
- REST API playground on http://localhost:1865/docs
License: GPL-3.0. Code is licensed under GPL3.
Recent releases
- 2.0.23 2.0.23 (2026-07-08): Full Changelog: https://github.com/cheshire-cat-ai/core/compare/2.0.22...2.0.23
- 2.0.22 2.0.22 (2026-07-04): fix: load bundled plugins on Windows by @davidegavio in https://github.com/cheshire-cat-ai/core/pull/1133
- 2.0.21 2.0.21 (2026-06-22): Full Changelog: https://github.com/cheshire-cat-ai/core/compare/2.0.20...2.0.21
- 2.0.20 2.0.20 (2026-06-22): Full Changelog: https://github.com/cheshire-cat-ai/core/compare/2.0.19...2.0.20
- 2.0.19 2.0.19 (2026-06-21): What’s Changed: Update startup.py by @BDadmehr0; classify score_threshold as parameter, default 0.5, instead of magic …
Traction
Stars: 3081 Forks: 411 Open issues: 6
Behind the repo
Not provided in the README excerpt.
Caveats
Version 2 is described as unstable alpha with breaking changes and incomplete features. License: GPL-3.0. Created 2023-02-08. Last push 2026-07-29.