Agentic Resource Discovery (ARD)
Canonical home of the Agentic Resource Discovery specification — a federated, domain-anchored standard for cataloging, searching, and discovering agentic resources (MCP servers, A2A agent cards, Skills, APIs, and other callable services) across networks of discovery services.
📖 Read the rendered spec at
agenticresourcediscovery.org/spec
— the docs site renders spec/ard.md directly from this repo, so
this is the single source of truth.
Layout
spec/ard.md— the specification (v0.91)spec/ard-v0.9.md— the previous version, kept reachablespec/schemas/— CDDL, JSON Schema, and OpenAPI definitionsadr/— architecture decision recordsconformance/— conformance test tooling
Contributing
We'd love your involvement — contributions and feedback are very welcome. To keep the standard coherent, we handle two kinds of changes differently:
- Normative spec changes (anything that alters the standard itself —
spec/ard.md and the schemas in spec/schemas/):
please open an issue to
discuss the proposal first. Once there's agreement, a maintainer lands the change.
This keeps the spec consistent and gives every change a clear rationale on record.
- Everything else (examples, conformance tooling, reference implementations,
Not sure which bucket your idea falls in? Open an issue and we'll figure it out together.
Status
v0.91. The specification is open and evolving; feedback and proposals are welcome via issues and, for non-normative changes, pull requests.
License
See LICENSE.