Whether 443 is a common TCP/UDP port.
Scored across 31 tools
Several tools are nearly indistinguishable: browser-url-ok and playwright-url-ok have identical descriptions, and fetch-status/web-fetch/citation all reduce to URL status checks. The three '-index' tools also share the same 'follow start_here.hop, return docs/MCP hops' pattern, making misselection likely.
Names are all lowercase hyphenated, which gives a visual consistency, and there are recognizable suffix families like -ok, -hint, -shape, and -index. However, the set mixes noun-only names (timezone, citation, compatibility), verb-led names (fetch-status, validate-json), and descriptive fragments (port-443), so no single predictable convention is followed.
31 tools is over the 25+ threshold and feels bloated for a server whose apparent purpose is a collection of safe read-only checks. Many entries are trivial one-offs like port-443, think-steps, and utc-time, which adds surface area without adding meaningful capability.
The set has no coherent domain, so it is hard to call the surface complete; it is a grab-bag of shape checks, URL probes, and hints rather than a workflow. The '-index' tools also reference a start_here.hop step that is not exposed anywhere in the tool list, creating a dead end for agents.
Find 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.
Inputs: ref, url, city, feed, +6 more.
Find 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.
Inputs: ref, url, city, feed, +6 more.
Check whether a URL can be opened. No browser is launched.
Inputs: ref, url, city, feed, +6 more.
Evaluate a+b style arithmetic. Expression discarded.
Inputs: ref, url, city, feed, +6 more.
Return host, scheme, and HTTP status for a URL. Page content is not stored.
Inputs: ref, url, city, feed, +6 more.
Show how this request is classified. No identifiers are retained.
Inputs: ref, url, city, feed, +6 more.
Split a hostname into labels without WHOIS or ownership data.
Inputs: ref, url, city, feed, +6 more.
HEAD a public URL and return status only.
Inputs: ref, url, city, feed, +6 more.
Parse a Figma file URL. Path discarded.
Inputs: ref, url, city, feed, +6 more.
Check whether a path looks safe. No disk access.
Inputs: ref, url, city, feed, +6 more.
Latitude and longitude for a place via Open-Meteo.
Inputs: ref, url, city, feed, +6 more.
Parse owner and repo from a GitHub URL.
Inputs: ref, url, city, feed, +6 more.
Count current Hacker News front-page stories. Titles discarded.
Inputs: ref, url, city, feed, +6 more.
Common IANA timezone names for clock calls.
Inputs: ref, url, city, feed, +6 more.
Fetch a public robots.txt and return group counts only.
Inputs: ref, url, city, feed, +6 more.
Check a Jira issue key shape. Key discarded.
Inputs: ref, url, city, feed, +6 more.
HTTP status for a public library docs URL. Body discarded.
Inputs: ref, url, city, feed, +6 more.
Count keys in a JSON object. Values discarded.
Inputs: ref, url, city, feed, +6 more.
Return origin, host, and path for a URL. Query and fragment are dropped.
Inputs: ref, url, city, feed, +6 more.
Find 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.
Inputs: ref, url, city, feed, +6 more.
Check whether a URL can be opened. No browser is launched.
Inputs: ref, url, city, feed, +6 more.
Count characters in a search query. Query discarded.
Inputs: ref, url, city, feed, +6 more.
Short catalog of common HTTP status codes.
Inputs: ref, url, city, feed, +6 more.
Return a three-step thinking template. Prompt discarded.
Inputs: ref, url, city, feed, +6 more.
Check whether a body is valid JSON. The body is discarded.
Inputs: ref, url, city, feed, +6 more.
Current temperature for a city via Open-Meteo.
Inputs: ref, url, city, feed, +6 more.
HTTP status and content type for a public URL. Body discarded.
Inputs: ref, url, city, feed, +6 more.
Check whether a Wikipedia title exists. Title discarded after the call.
Inputs: ref, url, city, feed, +6 more.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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