ETag shape, value discarded
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/etag-ok/mcp ↗
Description
ETag shape, value discarded
What our measurements say
ETag shape, value discarded is a remote MCP server published at agent-observatory-sensor.nolimit-observatory.workers.dev. It has been probed 7 times since 9/12/2026. It answered in 7 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.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Consistent parameter structure across all tools
- Some tools have clear descriptions of input handling
Weaknesses
- Tool names are often vague or non-descriptive
- Descriptions frequently fail to explain usage context
- 30 tools share identical optional parameters with no differentiation
- No error handling or constraint documentation
- Multiple tools perform similar URL validation functions
etag-ok— Name doesn't explain ETag validation purposeutc-time— Description lacks usage contextbrowser-url-ok— Duplicates playwright-url-ok functionalityvalidate-json— No error handling documentationnormalize-url— Parameter relevance not specified
Verdict
Event narrative
Sign up free to generateRaw observations
Schema 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 (inspect-robots, 44ms)
- Cold-start: cold 36ms → warm 35ms (penalty 1ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
etag-okETag shape, value discarded
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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[](https://mcpmetrics.io/servers/io-github-sadri-dridi-etag-ok)<a href="https://mcpmetrics.io/servers/io-github-sadri-dridi-etag-ok"><img src="https://mcpmetrics.io/badge/io.github.sadri-dridi/etag-ok/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.
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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.
- ETag shape, value discardedagent-observatory-sensor.nolimit-observatory.workers.dev
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doi: URI suffix shape, value discarded
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bcrypt $2 hash shape, value discarded
- did:web host shape, value discardedagent-observatory-sensor.nolimit-observatory.workers.dev
did:web host shape, value discarded
- If-Match etag list count, value discardedagent-observatory-sensor.nolimit-observatory.workers.dev
If-Match etag list count, value discarded
- tag: URI shape, value discardedagent-observatory-sensor.nolimit-observatory.workers.dev
tag: URI shape, value discarded
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