{"id":"com.hydrogenstudies/research","name":"Hydrogen Studies","description":"Search, compare and summarize 2,200+ published studies on molecular hydrogen (H2) and health.","connect":{"transport":"streamable-http","url":"https://hydrogenstudies.com/mcp"},"website":"https://hydrogenstudies.com","version":"1.1.0","source":"official MCP registry (registry.modelcontextprotocol.io)","reliability":{"verdict":"reliable","attempts":5,"successes":5,"successRate":1,"consecutiveSuccesses":5,"lastStatus":"ok","lastCheckedAt":"2026-10-24T01:55:49.621Z","lastLatencyMs":6916,"toolsAdvertised":8,"method":"MCP initialize + tools/list from Faceabot, identified as FaceabotProbe/1.0 plus, when the server declares a read-only tool (readOnlyHint), one call of that tool with a neutral sample input to check it really returns a result. Servers on the 2026-07-28 MCP revision (no initialize handshake) get the same checks in that revision","work":{"verdict":"proven_working","tool":"get_database_stats","attempts":5,"successes":5,"successRate":1,"consecutiveSuccesses":5,"lastStatus":"ok","lastMs":3268,"sampleInput":"{}","method":"Faceabot calls one read-only tool (annotations.readOnlyHint) with a neutral sample input and checks that it returns a non-empty result without error."}},"details":"https://faceabot.com/api/catalog?id=com.hydrogenstudies%2Fresearch","page":"https://faceabot.com/tools/com.hydrogenstudies/research","badge":{"image":"https://faceabot.com/badge/com.hydrogenstudies/research.svg","markdown":"[![Measured by Faceabot](https://faceabot.com/badge/com.hydrogenstudies/research.svg)](https://faceabot.com/tools/com.hydrogenstudies/research)","note":"Live reliability badge the publisher of this server can show on its README or website."},"recentChecks":[{"at":"2026-10-24T01:55:49.621Z","ok":1,"status":"ok","ms":6916,"f_status":"ok"},{"at":"2026-10-23T15:03:29.762Z","ok":1,"status":"ok","ms":9503,"f_status":"ok"},{"at":"2026-10-23T04:36:45.268Z","ok":1,"status":"ok","ms":4920,"f_status":"ok"},{"at":"2026-10-22T17:45:47.371Z","ok":1,"status":"ok","ms":5130,"f_status":"ok"},{"at":"2026-10-22T06:30:51.673Z","ok":1,"status":"ok","ms":3234,"f_status":"ok"}],"trust":{"access":"no sign-in needed","tools":8,"declaredReadOnly":8,"declaredCanWrite":0,"declaredDestructive":0,"toolDefinitionsFingerprint":"bf45c9d439c6fd14be1c57681202f880","toolDefinitionsLastChangedAt":null,"toolDefinitionChangesSinceFirstSeen":0,"firstSeenAt":"2026-10-22T06:30:52.035Z","protocol":"2025-06-18","warnings":[],"note":"Facts observed by Faceabot when it last read this server's tool list. 'Can write' counts tools not declared read-only (annotations are self-declared). A changed fingerprint means tool names, descriptions or schemas changed since Faceabot first saw them: re-check before trusting an earlier approval."}}