{"predicate":"mcp_contract_change","based_on":{"sample_size":200,"note":"This description is read from a SAMPLE of at most 200 currently valid facts, not from all of them. Field lists and status shares are indicative. For the coverage of one entity use get_timeseries, which is exact."},"value_fields":["value","compared","endpoint","findings","severity","tool_count_after","tool_count_before"],"units":[],"entity_types":["mcp_server"],"status_in_sample":{"observed":200},"sources":["factanker_probe"],"primary_source":{"source_id":"factanker_probe","name":"FACTANKER Eigenbeobachtung: MCP-Server-Selbstauskunft","publisher":"Enerlio GmbH","license":"CC0-1.0 (eigene Beobachtung)","url":"https://registry.modelcontextprotocol.io/v0/servers","notes":"EIGENE BEOBACHTUNG, keine Fremdquelle. Grundgesamtheit: die offizielle MCP-Registry (version=latest, status=active), davon ausschliesslich REMOTE-Endpunkte (streamable-http/sse) — lokale stdio-Server sind nicht beobachtbar. METHODE je Endpunkt: ein JSON-RPC initialize, danach notifications/initialized und tools/list. Erfasst werden nur Angaben, die der Server von sich aus herausgibt: Protokollversion, serverInfo, Auth-Schema (aus 401/WWW-Authenticate), Tool-Liste mit Beschreibungen, Antwortzeit. INTERVALL: alle 6 Stunden (systemd-Timer). ANSTAND: identifizierender User-Agent, keine Tool-Aufrufe, keine Auth-Versuche, keine Sicherheitstests, kein Port-Scanning; 429/503 bedeutet sofortigen Rueckzug ohne Wiederholung (Ergebnis dann \"nicht erreichbar\", nicht \"Fehler\"). Betreiber und Personen werden NIEMALS als Entity angelegt (Regel 7) — beobachtet wird der Endpunkt."},"period_years_in_sample":null,"example":{"entity":"sh.tibia/tibiawiki-mcp","value":{"value":"cosmetic","compared":{"this_probe":"2026-09-28T01:01:36+00:00","previous_state":"aktueller Faktenstand"},"endpoint":"https://mcp.tibia.sh/wiki","findings":[{"to":"0.17.0","from":"0.15.3","kind":"server_version_changed","severity":"cosmetic"}],"severity":"cosmetic","tool_count_after":12,"tool_count_before":12},"fact_url":"https://factanker.com/fact/c163e54d-f989-4ae7-b8ec-7d23f8baf2e9"},"license":"US-PD/CC0 per fact; please cite via fact_url","usage":{"values_are":"public records","copyright":"none — facts are not copyrightable; the underlying US government records are public domain (17 U.S.C. §105) or CC0","may_quote_verbatim":true,"permission_required":false,"attribution_required":false,"attribution_appreciated":"link the fact_url so your reader can verify","applies_to":"values, units, periods and source references","does_not_apply_to":"FACTANKER's own editorial texts under https://factanker.com/record"}}