ARO · Operational

API catalog

API catalog is an Agent Readiness Optimization check in the Protocol discovery group.

Version agent-readiness-2026-10

What is this benchmark?

API catalog is an Agent Readiness Optimization check in the Protocol discovery group.

Why it matters

An API catalog lists machine endpoints in one place.

How SiteGlue evaluates it

HTTP request to a well-known or published URL. Spec: https://www.rfc-editor.org/rfc/rfc9727. Catalog agent-readiness-2026-10.

Passing criteria: The published signal for API catalog is present and readable.
Failing criteria: The scan requested the signal and it was missing, blocked, or malformed.
Not verified: The check was not selected, the probe did not run, or evidence was inconclusive. Not verified is never scored as 0.
Not applicable: Not applicable when the business has no corresponding surface (for example commerce protocols on a site with no cart).

Scoring weight: 1. Evidence: Public HTTP, HTML, or DNS evidence for API catalog. No private credentials.

Example results

Pass

Agents can read a valid API catalog signal on the public site.

Fail

API catalog is missing, blocked, or not machine-readable.

Recommended fixes

Redirect /.well-known/api-catalog to the platform catalog for this AI Employee. Do not copy the catalog onto the site.

Related benchmarks

Frequently asked questions

Does a missing optional check lower my ARO score?

Yes, if the check is applicable and failed. Not verified items are excluded.

No. ARO is a website audit. Optional live walks are Test With AI Agents.