The trust & readiness registry for the agent web

Before an agent reads, cites, or transacts with a website, it needs one thing humans take for granted: is this domain trustworthy and ready? aater is a neutral, cross-platform registry that answers that — independent of any single model, CDN, or marketplace.

What an agent can ask

Every domain aater has classified carries a machine-readable Participation State — derived from three gates: Reachability (can it be fetched without executing JS), Legibility (is the content structured and extractable), and Authority (are there consistent, attributable claims). Plus, where Pulse is installed, observed agent activity.

Query it over MCP or HTTP

aater speaks MCP, so any compliant agent can pull a domain’s participation state as a tool call — no scraping, no guessing:

# Model Context Protocol endpoint
https://aater.ai/api/mcp

# Or read a domain's classification over HTTP
GET https://aater.ai/api/v1/classify/{domain}

See the developer docs for keys, schema, and rate limits.

Why neutral matters

A registry owned by one model vendor or one CDN is not a registry an agent can trust to be impartial. aater is Switzerland: cross-platform, vendor-neutral, and honest about what it can and can’t prove — observed activity is labeled observed, structural readiness is labeled a state, never false certainty.

Verifiable by design

Agent activity aater observes is sealed into a tamper-evident audit log — so the registry isn’t just a claim, it’s a record you can export and independently verify.