{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-08-19","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"no_auth","category":"Web Connector","confidence":"high","description":"Find PLAZA hotels, room availability, prices, and property information. Create reservations using a displayed offer valid for 30 minutes. No account is required; payment or card confirmation happens outside chat.","did":"db66e084-0c3b-4752-8703-7245534fd4c4","documentation_url":"https://mcp.plazahotels.de/en/help","editorial_description":{"extended_description":"Bookings below EUR 200 are confirmed directly for payment at the hotel. From EUR 200, a three-day offer is issued with a link for card confirmation. Reservations require the single-use availability token and guest details; the connector does not accept card data. Browse connected hotels, local attractions, or available event listings in German, English, or Dutch.","schema_version":1,"summary":"Find PLAZA hotels, room availability, prices, and property information.\nCreate reservations using a displayed offer valid for 30 minutes.\nNo account is required; payment or card confirmation happens outside chat."},"homepage_url":"","icon":"","id":"db66e084-0c3b-4752-8703-7245534fd4c4","installs":0,"last_scanned":"","license":"","long_description":"Bookings below EUR 200 are confirmed directly for payment at the hotel. From EUR 200, a three-day offer is issued with a link for card confirmation. Reservations require the single-use availability token and guest details; the connector does not accept card data. Browse connected hotels, local attractions, or available event listings in German, English, or Dutch.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"Official docs say totals below EUR 200 create an immediate reservation in the guest's name, with payment due at the hotel.","reasoning":"This creates a real financial/contractual obligation even though no card is charged in chat.","risk_type":"financial_transaction","severity":"high","title":"A binding hotel reservation can be created","triggering_tools_or_skills":["create_room_reservation"]},{"evidence":"Official docs say confirmation is sent by SMS and optionally email.","reasoning":"The tool triggers external communication using guest data.","risk_type":"messaging_as_user","severity":"high","title":"Reservation confirmations can be sent or resent","triggering_tools_or_skills":["create_room_reservation","resend_confirmation"]},{"evidence":"A signed quote token is consumed to persist a reservation or offer.","reasoning":"This reserves real hotel capacity.","risk_type":"data_modification","severity":"medium","title":"Hotel booking inventory is changed","triggering_tools_or_skills":["create_room_reservation"]},{"evidence":"No account binds the requester, although a signed quote token gates the room and price.","reasoning":"Abuse prevention and cancellation ownership require runtime verification.","risk_type":"authz_ambiguity","severity":"low","title":"Public no-auth booking accepts personal guest data","triggering_tools_or_skills":["create_room_reservation"]},{"evidence":"The connector runs at https://mcp.plazahotels.de/mcp without a pinned server implementation in the packet.","reasoning":"The implementation can change independently, so runtime verification and change monitoring remain necessary.","risk_type":"provenance_uncertainty","severity":"low","title":"PLAZA Hotels is a mutable hosted service","triggering_tools_or_skills":[]}],"assessment_status":"provisional","auth_and_scopes":"No login is required; a signed single-use availability token binds price and room for 30 minutes before reservation creation.","blocked_missing_evidence":null,"confidence":"high","displayed_risk":"high","evidence_completeness":"partial","manual_overall_risk":"high","official_sources":[{"accessed_at":"2026-10-10T20:24:37Z","url_or_path":"plutosecurity/plutonium@b749c8dc43536c794409be9805edd48063f045e2:app/data/conn/claudesec/db66e084-0c3b-4752-8703-7245534fd4c4.json","what_it_proves":"Candidate PR #125 record identity (name \"PLAZA Hotels\", publisher, type web_connector) and 8 stored tool names; no tool descriptions stored"},{"accessed_at":"2026-09-22T10:46:07Z","url_or_path":"https://api.anthropic.com/api/directory/servers?verified_tier=anthropic,partner,community (snapshot claude-directory-all-tiers-2026-09-22.json)","what_it_proves":"Official Claude Directory listing https://claude.ai/directory/db66e084-0c3b-4752-8703-7245534fd4c4: complete tool_names inventory (8 tools), remote streamable-http endpoint https://mcp.plazahotels.de/mcp, auth_posture no_auth, directory tier community"},{"accessed_at":"2026-10-10T21:25:50Z","url_or_path":"https://mcp.plazahotels.de/en/help","what_it_proves":"Official docs confirm real reservations below EUR 200 are immediately binding and paid at hotel; larger totals create a nonbinding offer for separate card confirmation."}],"primary_reason":"PLAZA Hotels can create a binding pay-at-hotel reservation and send guest confirmations.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:db66e084-0c3b-4752-8703-7245534fd4c4","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 8 tools against official help. Totals at or above EUR 200 remain an offer until separate card confirmation; lower totals are binding immediately.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"true","browser_control":"false","credential_or_admin_actions":"false","deletes_data":"false","deployment_or_infrastructure":"false","dynamic_hidden_actions":"false","filesystem_or_repo_access":"false","forwards_data_to_third_party":"true","modifies_data":"true","persistent_credentials":"false","prompt_injection_exposure":"false","provenance_uncertainty":"true","reads_private_data":"false","runs_code_or_queries":"false","sends_messages_as_user":"true","spends_or_moves_money":"true"},"tools_or_skills_reviewed":8,"tools_or_skills_total":8},"name":"PLAZA Hotels","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=db66e084-0c3b-4752-8703-7245534fd4c4&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://mcp.plazahotels.de/en/privacy","provisional_risk":null,"publication_recommendation":"accept","publisher":"mediaconstructor GmbH & Co. KG","publisher_url":"https://plazahotels.de/","remote_url":"https://mcp.plazahotels.de/mcp","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can spend money, consume paid credits, or change financially consequential resources. Review findings: This creates a real financial/contractual obligation even though no card is charged in chat.","evidence":"A binding hotel reservation can be created: Official docs say totals below EUR 200 create an immediate reservation in the guest's name, with payment due at the hotel.","manual_risk_type":"financial_transaction","remediation":{"block_tool_categories":["financial"],"steps":["Set provider-side spending limits and require approval for every financial action.","Use a dedicated low-balance account and review transaction logs."]},"risk_type":"spends_money","severity":"high","title":"A binding hotel reservation can be created","triggering_tools":["create_room_reservation"]},{"description":"This connector can publish or send messages and content using the connected identity. Review findings: The tool triggers external communication using guest data.","evidence":"Reservation confirmations can be sent or resent: Official docs say confirmation is sent by SMS and optionally email.","manual_risk_type":"messaging_as_user","remediation":{"block_tool_categories":["sends_externally"],"steps":["Require review before messages, posts, or publications are sent.","Restrict delivery to test or internal recipients where possible."]},"risk_type":"sends_messages_as_you","severity":"high","title":"Reservation confirmations can be sent or resent","triggering_tools":["create_room_reservation","resend_confirmation"]},{"description":"This connector can create, update, configure, or otherwise change connected resources. Review findings: This reserves real hotel capacity.","evidence":"Hotel booking inventory is changed: A signed quote token is consumed to persist a reservation or offer.","manual_risk_type":"data_modification","remediation":{"block_tool_categories":["state_change"],"steps":["Use a test account or sandbox before allowing changes to production data.","Grant only the write permissions required for the intended workflow.","Require human confirmation for consequential state changes."]},"risk_type":"modifies_data","severity":"medium","title":"Hotel booking inventory is changed","triggering_tools":["create_room_reservation"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"socialmedia@plazahotels.de","tags":["accesses_calendar","modifies_data","network_access","sends_messages_as_you","spends_money","web_connector"],"tools":[{"description":"","name":"check_room_availability"},{"description":"","name":"create_room_reservation","risk":{"category":"sends_externally","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can publish or send messages and content using the connected identity. Review findings: The tool triggers external communication using guest data."}},{"description":"","name":"get_hotel_contact"},{"description":"","name":"list_plaza_hotels"},{"description":"","name":"resend_confirmation","risk":{"category":"sends_externally","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can publish or send messages and content using the connected identity. Review findings: The tool triggers external communication using guest data."}},{"description":"","name":"search_hotel_info"},{"description":"","name":"search_local_attractions"},{"description":"","name":"search_local_events"}],"tools_count":8,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/db66e084-0c3b-4752-8703-7245534fd4c4","uuid":"e6b589d6-f207-51a3-bfef-3560b1739687","verification_tier":"community","version":""},"query_key":"plaza hotels","schema_version":1,"status":"match"}