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# cntm-nucleus
**Nucleus authentication SDK for Rust.**
> **Warning: DEV PREVIEW** — This crate is under active development
> and is NOT ready for production use. APIs may change without notice.
> For updates, watch the [Nucleus repo](https://github.com/cntm-labs/nucleus).
[](https://github.com/cntm-labs/nucleus/actions/workflows/ci.yml)
[](https://github.com/cntm-labs/nucleus/actions/workflows/security.yml)
[](https://github.com/cntm-labs/nucleus/blob/main/LICENSE)
[](https://crates.io/crates/cntm-nucleus)
[](src/)
[](https://www.rust-lang.org/)
[](https://tokio.rs/)
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---
Verify sessions and manage users from your Rust backend.
Part of [Nucleus](https://github.com/cntm-labs/nucleus) — high-performance, self-hosted auth platform.
## Installation
```bash
cargo add cntm-nucleus
```
## Quick Start
```rust
use cntm_nucleus::NucleusClient;
let client = NucleusClient::new("sk_...");
let claims = client.verify_session(&token).await?;
println!("User ID: {}", claims.sub);
```
## License
[MIT](https://github.com/cntm-labs/nucleus/blob/main/LICENSE)