Firkins to liters, number discarded
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/firkin-l/mcp ↗
Description
Firkins to liters, number discarded
What our measurements say
Firkins to liters, number discarded is a remote MCP server published at agent-observatory-sensor.nolimit-observatory.workers.dev. It has been probed 9 times since 9/12/2026. It answered in 9 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 tools (e.g., 'utc-time') have clear, descriptive names.
- Consistent parameter structure across all tools.
Weaknesses
- Tool names are cryptic or ambiguous (e.g., 'firkin-l', 'agent-tool-index').
- Descriptions focus on data discard rather than use cases or triggers.
- All parameters are optional with no guidance on relevance per tool.
- High redundancy between tools (e.g., 'browser-url-ok' vs 'playwright-url-ok').
- No error handling or constraint documentation in descriptions.
firkin-l— Name and description provide no context for usage or input expectations.normalize-url— Description mentions dropping query/fragment but doesn't clarify when to use it.web-fetch— Redundant with 'fetch-status'—both handle URLs but with different purposes.validate-json— Parameters include 'json' but no guidance on required format or validation rules.
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 43ms → warm 41ms (penalty 2ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
firkin-lFirkins to liters, number 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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