[Guardian — human authority for AI]
Guardian SDK
[npm version]
[MCP registry]
[Guardian MCP server on mcprush]
[License]
Human Authority Infrastructure for Autonomous AI. The agent proposes; the
human decides. Every tool call an agent makes gets a deterministic
ALLOW / ASK / DENY decision before it runs, and every execution produces a
tamper-evident receipt you can verify without an account.
Hosted Guardian: guardian.odingard.com — free
tier, no card required. Pricing: Free, Developer $99/month with 25,000 billable executions included, Business via sales.
Packages
Quickstart
Govern your own action code (any framework)
Govern an MCP server you already use
Full guides: packages/sdk ·
packages/python · packages/mcp.
Examples
Runnable demos in examples/ — each prints SIMULATED (local
demo policy) or LIVE (real hosted Guardian or real published keys).
Repository layout
packages/sdk/src/contracts, packages/sdk/src/evidence, the SDK client,
guard, lifecycle and receipts sources, and the Steel adapter sources are generated from the Guardian monorepo
— don't edit them here. See CONTRIBUTING.md.
License
Apache-2.0