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baml
Rust

baml

The programming language for agents

by BoundaryML · GitHub
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boundarymlguardrailsllmApache-2.0Rust
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In plain words

Write programs for AI agents using a specialized programming language designed to minimize errors.

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9.1k8.5k
2026-07-042026-08-31
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📄 About

The programming language for agents

baml has 9.1k stars on GitHub. It has been forked 489 times. baml is written mainly in Rust. It has been in active development since 2023. baml is available under the Apache-2.0 license. Its main topics are boundaryml, guardrails, llm, programming-language.

Frequently asked questions

What is baml?

The programming language for agents

Is baml open source?

baml is an open-source project. It is released under the Apache-2.0 license.

Is baml free?

Yes. baml is free and open source — you can use, modify and self-host it.

What license does baml use?

baml is available under the Apache-2.0 license.

What language is baml written in?

baml is written mainly in Rust.

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