ratel
Context engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory with in-process BM25 and semantic retrieval. Progressive Disclosure. No vector DB.
Claim its page: indexed whatever its rank, translated into six languages, and enriched with what you write yourself.
Get an email alert on its next release or when it starts trending — never miss the moment.
Free · no card · unsubscribe anytimeContext engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory with in-process BM25 and semantic retrieval. Progressive Disclosure. No vector DB.
ratel has 369 stars on GitHub. It has been forked 15 times. ratel is written mainly in Rust. It has been in active development since 2025. ratel is available under the MIT license. Its main topics are accuracy, agents, claude-skills, context.
What is ratel?
Context engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory with in-process BM25 and semantic retrieval. Progressive Disclosure. No vector DB.
Is ratel open source?
ratel is an open-source project. It is released under the MIT license.
Is ratel free?
Yes. ratel is free and open source — you can use, modify and self-host it.
What license does ratel use?
ratel is available under the MIT license.
What language is ratel written in?
ratel is written mainly in Rust.
Add this live badge to your README — your GitHub stars and directory rank, refreshed daily.
[](https://olud.ai/project/ratel-ai-ratel.html)
Measured from GitHub topics shared by both projects, weighted by how rare each topic is.