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Show HN: A single-use authorization boundary in Rust

I built a small Rust experiment for putting an authorization boundary in front of a protected action. An authorization is tied to a specific action, resource, and payload. Once it's used successfully, trying to use the…

3 points•Founderarcstone•6 days ago•0 comments•
#authorization#rust#boundary#x2f#authorization boundary#single#x27#single use
I built a small Rust experiment for putting an authorization boundary in front of a protected action.

An authorization is tied to a specific action, resource, and payload. Once it's used successfully, trying to use the same authorization again is denied.

The repo includes the implementation, tests, and reproduction steps.

https://github.com/trencinodin-stack/arcstone-mcp-sidecar

I'm interested in edge cases or failure modes I've missed.

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