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ratel

ratel

by ratel-ai · GitHub

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.

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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.

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.

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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.

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