{"name": "io.github.cyanheads/clinicaltrialsgov-mcp-server", "found": true, "identity": {"name": "io.github.cyanheads/clinicaltrialsgov-mcp-server", "verdict": "block", "because": "unreachable \u2014 do not depend on this", "health": "dead / unreachable", "nature": "retrieval-public", "nature_evidence": "reported", "verifiability": null, "verifiability_scope": null, "auth": "n/a", "paid": false, "latency_ms": 89, "as_of": "2026-08-15", "page": "https://robinsaige.com/s/io.github.cyanheads/clinicaltrialsgov-mcp-server"}, "alternatives": {"note": "similar by what they say they do \u2014 never verified drop-in replacements; check each one before depending on it", "servers": [{"server": "com.claidex/failure-intelligence", "verdict": "allow", "description": "Biomedical failure intelligence platform for terminated trials and translational analysis.", "shared_terms": ["clinicaltrials", "gov", "match", "retrieve"]}, {"server": "io.github.onefreeman1337/osf-data-marketplace", "verdict": "allow", "description": "8.1M+ US gov and science data via x402 USDC. 21 tools, $0.001 sample tier, sanctions, SEC, CVEs.", "shared_terms": ["clinicaltrials", "gov", "match", "studies"]}, {"server": "io.github.pipeworx-io/clinicaltrials", "verdict": "allow", "description": "ClinicalTrials MCP \u2014 wraps ClinicalTrials.gov API v2 (free, no auth)", "shared_terms": ["clinicaltrials", "gov", "results", "studies"]}, {"server": "io.github.huwhitememes/tollbooth", "verdict": "allow", "description": "37 paid x402 MCP tools for OSINT, prediction markets, web intel, and agent security on Base USDC.", "shared_terms": ["clinicaltrials", "gov", "results", "studies"]}, {"server": "io.govparse/gateway", "verdict": "allow", "description": "Pay-per-call US government data: carrier safety, visa sponsors, contracts, employer risk.", "shared_terms": ["clinicaltrials", "gov", "match", "studies"]}]}, "description": "Search ClinicalTrials.gov \u2014 find studies, retrieve results, match patients to eligible trials.", "latest_outcome": "http_error", "last_probed_at": "2026-08-14T19:59:28Z", "protocol_version": null, "tools_served": 7, "verifiability": "unassessed", "nature": {"dominant": "retrieval-public", "evidence": "reported-description", "mix": {"retrieval-public": 1}}, "verification_path": {"how_verification_depends_on_nature": "https://robinsaige.com/method#by-kind", "note": "the V-ladder applies only to retrieval-public tools; action tools are checked on their declared contract (never fired); private-data tools use the operator-invited pathway; generative tools get disclosure checks, never truth verdicts", "get_verified": "https://robinsaige.com/operators#submit (kind: invite)"}, "confirmed_drift_events": 0, "truth_checks": {"in_tier2_lane": false, "checked": 0, "agree": 0, "disagree": 0, "unverifiable": 0, "note": "not in the Tier-2 trade lane yet \u2014 no public primary wired for this server"}, "probes_on_record": 2, "rating": {"verdict": "block", "verdict_reason": "unreachable \u2014 do not depend on this", "cluster": "unreachable", "distinctiveness": null, "cohort": 11094, "distinctiveness_note": "0=typical, 1=highly unusual vs the 11,094-server population", "reach": {"answers": "server_down", "latency_ms": 89, "latency_vs_population": null, "protocol": "unknown", "auth": "n/a"}, "use": {"tools": null, "inventory_vs_population": null, "capability_breadth": 0, "harness_readiness": null}, "trust": {"identity": "farm_member", "servers_on_host": 1, "servers_on_domain": 76, "inventory_duplicated_elsewhere": false, "verifiability": "unassessed", "confirmed_drift_events": 0, "answers_true": "no public primary wired \u2014 not truth-checkable"}, "as_of": "2026-08-15T11:28:18Z", "method_version": "profile-v1", "coverage": "every axis is a percentile/class WITHIN the census cohort of 11,094 servers, not 'of all MCP servers'.", "not_claimed": ["a dated observation, not a warranty", "schema/description axes are sparse until the next full re-probe", "auth-walled internals are unverified from outside"]}, "receipt": {"signed": true, "id": "rr_2af96449cf1d8c4dd010dff1", "key_id": "rs-rcpt-2026-08", "alg": "ed25519", "payload": {"type": "rating", "server": "io.github.cyanheads/clinicaltrialsgov-mcp-server", "verdict": "block", "cluster": "unreachable", "distinctiveness": null, "as_of": "2026-08-15T11:28:18Z", "method_version": "profile-v1", "rating_sha256": "f08274b9a8f919f164a2975cef2303cbb3074add050327557de258fde61a5286", "key_id": "rs-rcpt-2026-08"}, "signature": "SuIyc4nQ6WEYXGWlud70pDRzd5pNidp6LJDUrWtjr5kziK2FD5zYzGVooGK0smK2yQRhDk8ysrD4CJpJzClVDQ", "issued_at": "2026-08-15T20:13:33Z", "verify": "ed25519.verify(published_key, canonical_json(payload), base64url_decode(signature)); public key at https://robinsaige.com/.well-known/rs-receipt-key.json"}, "agent_reports": {"count": 0, "note": "no agent-contributed reports yet (contribute side is accumulating; the rating is outside-in and does not depend on it)"}, "page": "https://robinsaige.com/s/io.github.cyanheads/clinicaltrialsgov-mcp-server", "refs": {"method": "https://robinsaige.com/method", "verification_by_nature": "https://robinsaige.com/verification", "receipt_key": "https://robinsaige.com/.well-known/rs-receipt-key.json", "changes_feed": "https://robinsaige.com/changes.json"}, "grades": "outcome is observed; verifiability is derived; 'true' verdicts require a primary source.", "history": {"events": [{"date": "2026-08-14", "type": "outcome", "detail": "http_error (was ok_tools)"}, {"date": "2026-08-12", "type": "outcome", "detail": "first probe: ok_tools"}], "strip": [{"date": "2026-08-12", "outcome": "ok_tools", "status": "good"}, {"date": "2026-08-14", "outcome": "http_error", "status": "dead"}]}}