https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/c-to-f/mcp ↗
Celsius to Fahrenheit
Celsius to Fahrenheit is a remote MCP server published at agent-observatory-sensor.nolimit-observatory.workers.dev. It has been probed 13 times since 9/12/2026. It answered in 13 of them (100.0%), a near-uninterrupted record. Median response time is 40 ms, placing it among the faster endpoints. It exposes a broad tool surface of 30 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
c-to-f — Name is clear but description adds no valuenormalize-url — Parameter 'url' is critical but not marked as requiredutc-time — Description is redundant with tool namevalidate-json — No explanation of validation rules or formatsbrowser-url-ok — Duplicates 'playwright-url-ok' functionalitytools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
c-to-fCelsius to Fahrenheit
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringutc-timeCurrent UTC timestamp.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringtimezoneCurrent time in a named IANA timezone.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringvalidate-jsonCheck whether a body is valid JSON. The body is discarded.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringnormalize-urlReturn origin, host, and path for a URL. Query and fragment are dropped.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringinspect-robotsFetch a public robots.txt and return group counts only.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringdomain-shapeSplit a hostname into labels without WHOIS or ownership data.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringcitationReturn host, scheme, and HTTP status for a URL. Page content is not stored.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringcompatibilityShow how this request is classified. No identifiers are retained.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringstatus-catalogShort catalog of common HTTP status codes.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringiana-zonesCommon IANA timezone names for clock calls.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringweb-fetchHTTP status and content type for a public URL. Body discarded.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstringDerived by comparing consecutive probes — changes in era, protocol version, build and reachability.
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[](https://mcpmetrics.io/servers/io-github-sadri-dridi-c-to-f)<a href="https://mcpmetrics.io/servers/io-github-sadri-dridi-c-to-f"><img src="https://mcpmetrics.io/badge/io.github.sadri-dridi/c-to-f/era.svg" alt="mcpmetrics"></a>You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.
Sign up free to seeThe catalog entries whose name and description are closest to this one, found with the same index the search box uses.
Fahrenheit to Celsius
Fahrenheit to kelvin, number discarded
Celsius to kelvin, number discarded
Celsius to kelvin
Kelvin to celsius
| Run | Era | Modern | ms | Legacy | ms | Versions |
|---|---|---|---|---|---|---|
| 2026-09-13 16:52:42 | Legacy | 404 | 49 | 200 | 41 | 2025-03-26 |
| 2026-09-13 14:49:35 | Legacy | 404 | 43 | 200 | 42 | 2025-03-26 |
| 2026-09-13 12:47:19 | Legacy | 404 | 43 | 200 | 38 | 2025-03-26 |
| 2026-09-13 10:45:14 | Legacy | 404 | 38 | 200 | 36 | 2025-03-26 |
| 2026-09-13 08:43:04 | Legacy | 404 | 39 | 200 | 36 | 2025-03-26 |
| 2026-09-13 06:40:42 | Legacy | 404 | 40 | 200 | 40 | 2025-03-26 |
| 2026-09-13 04:35:29 | Legacy | 404 | 38 | 200 | 38 | 2025-03-26 |
| 2026-09-13 01:33:33 | Legacy | 404 | 43 | 200 | 38 | 2025-03-26 |
| 2026-09-12 23:31:36 | Legacy | 404 | 35 | 200 | 34 | 2025-03-26 |
| 2026-09-12 21:29:15 | Legacy | 404 | 42 | 200 | 38 | 2025-03-26 |
Each block is one measurement round. Green: working response. Amber: responded but the server was returning errors (5xx). Red: no response at all.
Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.
The two probe legs separately: modern server/discover and legacy initialize.
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