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Agents & automation

pacifio/cersei

The Rust SDK for building coding agents. Tools, streaming, graph, sub-agent orchestration, MCP — as composable functions

Really freeMITRust
Stars
462
Forks
78
Open issues
6
Last push
2mo ago

About cersei

cersei is a free, open-source AI agent tool by pacifio, written mainly in Rust. The Rust SDK for building coding agents. Tools, streaming, graph, sub-agent orchestration, MCP — as composable functions. It has 462 GitHub stars and 78 forks, and was last updated 2mo ago. It's released under the MIT license, a standard open-source license.

License
MIT
Language
Rust
Stars
462
Last update
2mo ago
Runs on Mac
Not stated
GPU
Not stated
Paid API key
Not required
Self-hostable
Yes

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cersei FAQ

Is cersei free?

Yes. cersei is open source and free to use. It's released under the MIT license, a standard open-source license.

Does cersei run on a Mac?

The project doesn't say. Check its installation guide before you start.

Does cersei need a GPU?

The project doesn't state hardware needs. AI models generally run much faster with a GPU.

Is cersei still maintained?

It was last updated 2mo ago. Check recent issues on GitHub to judge how active it is.

What are alternatives to cersei?

Similar free, open-source tools include hermes-agent, claude-code-best-practice, ECC, ponytail.

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