BCP 47 language tag shape
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/bcp47-ok/mcp ↗
Description
BCP 47 language tag shape
What our measurements say
BCP 47 language tag shape is a remote MCP server published at agent-observatory-sensor.nolimit-observatory.workers.dev. It has been probed 8 times since 9/12/2026. It answered in 8 of them (100.0%), a near-uninterrupted record. Median response time is 39 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.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Some tool names (e.g., 'validate-json') clearly indicate their purpose.
- Consistent parameter structure across tools (all optional, same keys).
Weaknesses
- Many tool names are vague (e.g., 'bcp47-ok', 'timezone') without clear intent.
- Descriptions often fail to explain *when* to use the tool, only what it does.
- Parameter definitions are uniformly ambiguous (e.g., 'zone', 'json') with no context on relevance.
- High overlap between tools (e.g., 'browser-url-ok' vs 'playwright-url-ok') creates confusion.
- No error handling or constraint documentation in any tool descriptions.
bcp47-ok— Name and description provide no context for usage scenariostimezone— Description lacks explanation of when to use the toolnormalize-url— Parameter 'url' is not explicitly tied to the tool's purposebrowser-url-ok— Redundant with 'playwright-url-ok' (same purpose, different names)validate-json— No mention of error cases (e.g., invalid JSON input)
Verdict
Event narrative
Sign up free to generateSchema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test passed · last run:
- Cold-start: cold 40ms → warm 40ms (penalty 0ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
bcp47-okBCP 47 language tag shape
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
utc-timeCurrent UTC timestamp.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
timezoneCurrent time in a named IANA timezone.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
validate-jsonCheck whether a body is valid JSON. The body is discarded.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
normalize-urlReturn origin, host, and path for a URL. Query and fragment are dropped.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
inspect-robotsFetch a public robots.txt and return group counts only.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
domain-shapeSplit a hostname into labels without WHOIS or ownership data.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
citationReturn host, scheme, and HTTP status for a URL. Page content is not stored.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
compatibilityShow how this request is classified. No identifiers are retained.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
status-catalogShort catalog of common HTTP status codes.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
iana-zonesCommon IANA timezone names for clock calls.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
web-fetchHTTP status and content type for a public URL. Body discarded.
zonestringjsonstringurlstringhoststringcitystringquerystringpathstringrefstringfeedstring
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Legacy
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The catalog entries whose name and description are closest to this one, found with the same index the search box uses.
- doi: URI suffix shape, value discardedagent-observatory-sensor.nolimit-observatory.workers.dev
doi: URI suffix shape, value discarded
- GitHub pull request URL shape, path discardedagent-observatory-sensor.nolimit-observatory.workers.dev
GitHub pull request URL shape, path discarded
- kebab-case shape, text discardedagent-observatory-sensor.nolimit-observatory.workers.dev
kebab-case shape, text discarded
- Language gdagent-observatory-sensor.nolimit-observatory.workers.dev
ISO 639 language tag gd.
- Language myagent-observatory-sensor.nolimit-observatory.workers.dev
ISO 639 language tag my.
- arXiv ID Shapeagent-observatory-sensor.nolimit-observatory.workers.dev
Check an arXiv id shape.
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