Install

astrid

v0.9.2

The secure home for AI agents: one daemon, sealed capsules, receipts for everything. If you only want to feel what Astrid is first, the playground runs the real kernel in this tab, nothing to install.

MIT or Apache-2.0 · GitHub · crates.io · The book

brew install unicity-astrid/tap/astrid

macOS and Linux · v0.9.2

cargo install astrid

builds from source via crates.io

claude plugin marketplace add unicity-astrid/sage

adds the Astrid marketplace to your Claude Code

claude plugin install astrid@astrid

your Claude keeps being Claude, and gains the OS underneath

Then · use it

  1. 01
    astrid init

    pick a distro and a provider; keys go to the secret store, never flags

  2. 02
    astrid doctor

    plain pass/fail: daemon up, capsules ready, provider reachable

  3. 03
    astrid chat

    talk to an agent that can actually do things

Full walk-through, including what to look at underneath: Getting Started: See It Work

Or · build on it

  1. 01
    astrid capsule new my-tool

    scaffolds a complete capsule that compiles first try

  2. 02
    astrid capsule build

    cargo compile → component wrap → signed .capsule

  3. 03
    astrid capsule check

    static linter: advertised tools vs actual routing

  4. 04
    astrid capsule install ./my-tool

    live-load it; the running OS gains the skill

The full walkthrough, snippet by snippet: Your First Capsule. Deeper: Designing Capsules and the host ABI.

No install Write a capsule in this tab, against the kernel running on this page The book How the whole machine works, part by part GitHub The kernel, the SDK, the capsules, the RFCs. All of it. Hey Siri Ask the Astrid Book by voice, on any iPhone, no app