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Show HN: Opensourcing APH Engine and Servers in Rust and N Lang

Squillo has open sourced its APH (Agent Per Human) engine and servers, written in Rust and N Lang, to provide remote guardrails for AI agents interacting with untrusted agents. The protocol enables both parties to share public keys for verification against public servers, supporting agentic commerce and integration with Google's A2A and AP2 protocols. It offers WebAssembly/WASI support and includes Claude and codec packs for easy implementation.

read1 min views1 publishedAug 14, 2026

rustaceans, we've completely open sourced our APH rust engine and servers!

APH is a Agent Per Human notarization protocol, that acts like remote guardrails for when your agents are working with agents you don't own. It allows both parties to share public keys that they can verify each other are working in good faith against public servers.

APH by Squillo is the missing piece of the A2A and AP2 families from Google, built with the same pedigree as the web but for the agentic web.

It's designed to work with existing agentic protocols and future ones, but is the cornerstone for the agentic web and true agentic commerce.

Now, get blistering speed, memory safety, and security for you and your Agents.

Don't do rust? no worries, it's ready to go with wasm/wasi and we've installed a claude and codec packs to make it easy to implement.

Now, an agent can responsibly bid on eBay, negotiate your medical bills, buy a house, trade on the stock market, all with the remote guardrails you can independently verify without leaking secrets.

Comments URL: [https://news.ycombinator.com/item?id=49299146](https://news.ycombinator.com/item?id=49299146)

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