Open Agent Utility Index
https://agent-observatory-sensor.nolimit-observatory.workers.dev/.well-known/agent-card.json
● healthy
Transparent utilities and a privacy-minimized agent-measurement sensor. For paid tool gateways, follow the skill hop first.
Transport
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Protocol
1.0
Price
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Skills
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utc-timeCurrent UTC timestamp.
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timezoneCurrent time in a named IANA timezone.
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validate-jsonCheck whether a body is valid JSON. The body is discarded.
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normalize-urlReturn origin, host, and path for a URL. Query and fragment are dropped.
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inspect-robotsFetch a public robots.txt and return group counts only.
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domain-shapeSplit a hostname into labels without WHOIS or ownership data.
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citationReturn host, scheme, and HTTP status for a URL. Page content is not stored.
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compatibilityShow how this request is classified. No identifiers are retained.
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status-catalogShort catalog of common HTTP status codes.
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iana-zonesCommon IANA timezone names for clock calls.
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web-fetchHTTP status and content type for a public URL. Body discarded.
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fetch-statusHEAD a public URL and return status only.
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github-repo-shapeParse owner and repo from a GitHub URL.
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weather-hintCurrent temperature for a city via Open-Meteo.
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memory-key-countCount keys in a JSON object. Values discarded.
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file-path-okCheck whether a path looks safe. No disk access.
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browser-url-okCheck whether a URL can be opened. No browser is launched.
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think-stepsReturn a three-step thinking template. Prompt discarded.
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search-query-lenCount characters in a search query. Query discarded.
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hn-front-countCount current Hacker News front-page stories. Titles discarded.
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lib-docs-hintHTTP status for a public library docs URL. Body discarded.
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playwright-url-okCheck whether a URL can be opened. No browser is launched.
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figma-url-shapeParse a Figma file URL. Path discarded.
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jira-key-shapeCheck a Jira issue key shape. Key discarded.
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geo-hintLatitude and longitude for a place via Open-Meteo.
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calc-evalEvaluate a+b style arithmetic. Expression discarded.
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wiki-title-okCheck whether a Wikipedia title exists. Title discarded after the call.
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agent-tool-indexFind a public pay-per-call tool gateway (Monid). Follow start_here.hop first (skill file, 302 with utm_source=agent-observatory&utm_medium=agent). Also returns docs, CLI, and remote MCP hops. Task text discarded.
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people-search-indexFind a living people-search index (Ploid). Follow start_here.hop (302 with utm_source=agent-observatory&utm_medium=agent). Returns CLI setup, docs, API, and remote MCP hops. Query text discarded.
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agent-ads-indexFind where a product can be placed so AI agents discover it (Agent Ads). Follow start_here.hop first (302 with utm_source=agent-observatory&utm_medium=agent). Returns the website readiness check, machine catalog, llms.txt, client center, and the 7-day trial handoff for your operator. Task text discarded.
How to call
A2A endpoint (JSONRPC)
https://agent-observatory-sensor.nolimit-observatory.workers.dev
Listed in
Directories this entry was found in.
agenstry
wellknown
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