{"$schema":"https://verifymcp.io/schemas/trust-report.json","schemaVersion":1,"license":{"name":"CC BY-NC 4.0","url":"https://creativecommons.org/licenses/by-nc/4.0/"},"generatedAt":"2026-11-05T18:02:01.189Z","url":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu","markdownUrl":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu.md","server":{"slug":"fr-chateaudubu-chateau-du-bu","name":"Château du Bû","registryName":"fr.chateaudubu/chateau-du-bu","description":"Read-only hotel server: room availability and prices, hotel facts, public events. Normandy, France.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"chateaudubu","type":"remote","identifier":"https://chateaudubu.fr/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu","version":"1.1.0","transport":null,"scoredAt":"2026-11-05T02:02:21.950Z"},"score":{"total":72,"tier":"medium","status":"scored","weekDelta":null,"history":[{"date":"2026-11-05","total":72},{"date":"2026-11-04","total":72},{"date":"2026-11-03","total":71},{"date":"2026-11-02","total":71}]},"categories":[{"name":"Endpoint Security","score":80,"verdict":"fail","reasons":["The endpoint's TLS certificate is valid, in date, and uses a strong key.","No authorisation is required to call this server. Nothing on it is marked destructive, but we can't show that an anonymous caller can only read: full credit needs the server to list at least one tool and every tool to be verifiably read-only. We use a best-effort check of tool names and descriptions to tell read-only tools from tools that change things, so some genuinely read-only tools may not get full credit. Names that start with a read verb (get, list, read, search and similar) and accurate readOnlyHint annotations help. Meet that to earn full credit, or require authorisation.","HTTPS is enforced; there's no plaintext access path.","The HSTS (Strict-Transport-Security) header is present.","DNSSEC check failed: this domain isn't protected by DNSSEC."],"codes":[{"code":"tls.valid","args":{}},{"code":"auth.none_no_destructive","args":{}},{"code":"https.enforced","args":{}},{"code":"headers.hsts_present","args":{}},{"code":"dnssec.absent","args":{}}]},{"name":"Transport & Reachability","score":100,"verdict":"pass","reasons":["Verified streamable-http transport via a live MCP handshake."],"codes":[{"code":"transport.verified","args":{"transport":"streamable-http"}}]},{"name":"Schema Quality & AI Usability","score":70,"verdict":"fail","reasons":["AI-judged instruction clarity (good).","Context-footprint check failed: tool/resource definitions use about 629 tokens (~157/item across 4 items; 4 tools + 0 resources), over budget; trim descriptions and params.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.ai_quality","args":{"band":"good"}},{"code":"schema.footprint_heavy","args":{"avg":"157","items":"4","tools":"4","tokens":"629","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":10,"verdict":"partial","reasons":["Stability observed for 3 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"3"}}]},{"name":"Tool Coverage","score":100,"verdict":"pass","reasons":["100% of tools have a non-trivial description (not blank, and not just the tool's name).","100% of tool parameters carry a description.","Structured output schemas are declared (100% of tools); any adoption earns full credit."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"100"}},{"code":"toolquality.output_present","args":{"pct":"100"}}]},{"name":"Tool Safety","score":100,"verdict":"pass","reasons":["No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.","We read all 4 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 5 captured unit(s) of tool text and found none that tries to manipulate the model reading it."],"codes":[{"code":"toolsafety.injection_clean","args":{}},{"code":"toolsafety.destructive_none","args":{"tools":"4"}},{"code":"toolsafety.manipulation_clean","args":{"units":"5","judged":"5"}}]},{"name":"Capabilities","score":60,"verdict":"fail","reasons":["Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28."],"codes":[{"code":"protocol.outdated","args":{"latest":"2026-07-28","version":"2025-06-18"}}]}],"inconclusive":[],"malware":[],"components":[{"slug":"chateaudubu","type":"remote","identifier":"https://chateaudubu.fr/mcp","withdrawn":false,"score":72,"current":true,"url":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu","markdownUrl":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu.md"}],"facts":[{"label":"Endpoint","value":"https://chateaudubu.fr/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.1.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"check_room_availability","title":"Check room availability","description":"Answer 'can a party of N stay from DATE for N nights?'. Returns a verdict (bookable yes/no), the reason when no, the room COMBINATIONS that house the party, and the booking URL. Applies the house rules for you: the earliest arrival date (today or tomorrow, depending on the same-day cut-off), and a stay needs the same rooms free on every night. A party too large for one room is NOT a refusal — the house is sold as several rooms. Prefer this over reading the raw calendar.","inputs":[{"name":"adults","type":"integer","required":false,"description":"Adults in the party."},{"name":"check_in","type":"string","required":true,"description":"Arrival date, YYYY-MM-DD (the first night)."},{"name":"children","type":"integer","required":false,"description":"Children occupying a bed."},{"name":"nights","type":"integer","required":false,"description":"Number of nights. Check-out is check_in + nights."}],"outputs":[{"name":"bookable","type":"boolean","required":true,"description":null},{"name":"booking_url","type":"string|null","required":false,"description":null},{"name":"check_in","type":"string","required":false,"description":null},{"name":"check_out","type":"string","required":false,"description":null},{"name":"earliest_check_in","type":"string","required":false,"description":null},{"name":"explanation","type":"string","required":true,"description":"A sentence you can relay to the guest."},{"name":"house_capacity_free","type":null,"required":false,"description":null},{"name":"latest_check_in","type":"string","required":false,"description":null},{"name":"nights","type":"integer","required":false,"description":null},{"name":"options","type":"array","required":false,"description":"Room combinations that house the party, each priced in its rate plans (VAT included)."},{"name":"options_total","type":"integer","required":false,"description":null},{"name":"party","type":"object","required":false,"description":null},{"name":"reason","type":"string","required":true,"description":"available · too_soon · too_far · invalid_date · not_bookable · party_exceeds_house · no_room_free_for_whole_stay"}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":176},{"name":"get_availability_calendar","title":"Get the raw availability calendar","description":"The full machine-readable availability feed: free room counts per night by room type, ~180 nights ahead, plus the semantics needed to read it. Use for overviews ('when is there space in October?'); for a specific stay use check_room_availability. Aggregate counts only, no personal data. Read `generated_at` for the real age.","inputs":[],"outputs":[],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":80},{"name":"get_hotel_info","title":"Get hotel information","description":"Identity, postal address, coordinates, what the château offers, the practical facts of a stay (check-in and check-out times, breakfast, meals, pets, parking, Wi-Fi, charging, access), how to reach it, and the URLs to book, to read more or to get in touch — in English, with the prefixes for the thirteen other languages.","inputs":[],"outputs":[{"name":"address","type":"object","required":true,"description":null},{"name":"category","type":"string","required":false,"description":null},{"name":"currency","type":"string","required":false,"description":null},{"name":"geo","type":"object","required":false,"description":null},{"name":"getting_there","type":"object","required":false,"description":null},{"name":"languages","type":"object","required":false,"description":null},{"name":"legal_name","type":"string","required":false,"description":null},{"name":"locales","type":"object","required":false,"description":null},{"name":"name","type":"string","required":true,"description":null},{"name":"offers","type":"array","required":false,"description":null},{"name":"practical","type":"object","required":true,"description":"Check-in and check-out, breakfast, meals, pets, parking, Wi-Fi, charging, access…"},{"name":"rooms","type":"object","required":false,"description":null},{"name":"urls","type":"object","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":83},{"name":"list_public_events","title":"List public events","description":"Upcoming public events at the château (concerts, workshops, themed nights…) with dates, price per participant, optional dormitory bed, remaining places and a booking URL. These are separate from hotel rooms.","inputs":[{"name":"category","type":"string","required":false,"description":"Optional filter, e.g. cuisine, dj-dance, gaming-lan, kpop…"},{"name":"from_date","type":"string","required":false,"description":"Only events ending on/after this date. Defaults to today."}],"outputs":[{"name":"count","type":"integer","required":true,"description":null},{"name":"events","type":"array","required":true,"description":null},{"name":"from_date","type":"string","required":false,"description":null},{"name":"note","type":"string","required":false,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":95}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T02:02:21.000Z","track":"remote","endpoint":"https://chateaudubu.fr/mcp","declaredUrl":null,"truncated":false,"tls":{"outcome":"valid","label":"Valid","version":"TLS 1.3","cipherSuite":"TLS_AES_128_GCM_SHA256","chainError":null,"certificates":[{"subject":"CN=chateaudubu.fr","issuer":"CN=WE1,O=Google Trust Services,C=US","notBefore":"2026-11-04T23:07:14Z","notAfter":"2027-02-03T00:07:10Z","keyType":"ECDSA","keyBits":256,"isCa":false},{"subject":"CN=WE1,O=Google Trust Services,C=US","issuer":"CN=GTS Root R4,O=Google Trust Services LLC,C=US","notBefore":"2023-12-13T09:00:00Z","notAfter":"2029-02-20T14:00:00Z","keyType":"ECDSA","keyBits":256,"isCa":true},{"subject":"CN=GTS Root R4,O=Google Trust Services LLC,C=US","issuer":"CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE","notBefore":"2023-11-15T03:43:21Z","notAfter":"2028-01-28T00:00:42Z","keyType":"ECDSA","keyBits":384,"isCa":true}]},"dnssec":{"result":"insecure","label":"Not signed","name":"chateaudubu.fr.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"fr.","outcome":"verified","label":"Verified"},{"zone":"chateaudubu.fr.","outcome":"insecure_proven","label":"Unsigned (proven)"}]},"auth":{"outcome":"none","label":"No authorisation required","gate":null,"gateLabel":null,"status":200,"authorizationServers":[]},"httpsRedirect":{"outcome":"https_enforced","label":"HTTPS enforced","status":301},"transports":[{"transport":"streamable-http","outcome":"verified","label":"Verified","status":200,"followed":false}],"provenance":null,"installScripts":[],"installScriptsTotal":null,"vulnerabilities":[],"vulnerabilitiesTotal":null,"dependencies":null},"mismatches":[],"changelog":{"trackingSince":"2026-11-02","recent":[{"id":"chg_01a1a44a-ed5b-7408-bcda-39b43f38828f","kind":"score.total_changed","summary":"Trust score (71 → 72)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-04","url":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu#chg-chg_01a1a44a-ed5b-7408-bcda-39b43f38828f"},{"id":"chg_01a19f24-a8d4-7732-b1df-fe50652bca9b","kind":"check.reverified","summary":"Stability (unverified → 0.03)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-11-03","url":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu#chg-chg_01a19f24-a8d4-7732-b1df-fe50652bca9b"},{"id":"chg_01a19b14-1be9-710a-bd59-dd1bc34a40aa","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu#chg-chg_01a19b14-1be9-710a-bd59-dd1bc34a40aa"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu/changelog.json"},"links":{"html":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu","markdown":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu.md","changelogJson":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu/changelog.json","changelogRss":"https://verifymcp.io/servers/fr-chateaudubu-chateau-du-bu/chateaudubu.xml","external":[{"label":"Remote endpoint","href":"https://chateaudubu.fr/mcp"},{"label":"Website","href":"https://chateaudubu.fr/en/"}]}}