{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-09-21","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"no_auth","category":"Web Connector","confidence":"medium","description":"1Stay searches hotel rooms, rates, and cancellation terms worldwide. Book through checkout, retrieve reservations, cancel, or resend confirmations. Booking fees are shown before confirmation; the hotel charges separately for the stay.","did":"40fc512d-61c3-4933-b9e8-70fe427128f8","documentation_url":"https://stayker.com/claude","editorial_description":{"extended_description":"Search uses location, dates, and guest count. Cancellation includes a policy check. The source describes bookings in the traveler's name and no connector authentication requirement.","schema_version":1,"summary":"1Stay searches hotel rooms, rates, and cancellation terms worldwide.\nBook through checkout, retrieve reservations, cancel, or resend confirmations.\nBooking fees are shown before confirmation; the hotel charges separately for the stay."},"homepage_url":"","icon":"https://1stay.ai/brand/icon-1stay.svg","id":"40fc512d-61c3-4933-b9e8-70fe427128f8","installs":0,"last_scanned":"","license":"","long_description":"Search uses location, dates, and guest count. Cancellation includes a policy check. The source describes bookings in the traveler's name and no connector authentication requirement.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The description says the connector books through secure checkout, returns the hotel's real confirmation number, and itemizes a 1Stay booking fee before confirmation.","reasoning":"Booking commits a real reservation and associated fee/payment obligation even if the hotel separately charges the stay.","risk_type":"financial_transaction","severity":"high","title":"Creates a real hotel reservation and booking-fee obligation","triggering_tools_or_skills":["book_hotel"]},{"evidence":"The connector can cancel an existing reservation after showing its refund policy.","reasoning":"Cancellation is a destructive external transaction with possible financial consequences.","risk_type":"data_deletion","severity":"high","title":"Cancels real hotel bookings","triggering_tools_or_skills":["cancel_booking"]},{"evidence":"The declared tool sends a confirmation email for a real reservation.","reasoning":"It triggers an external message containing booking information.","risk_type":"messaging_as_user","severity":"high","title":"Resends booking confirmation email","triggering_tools_or_skills":["resend_confirmation"]}],"assessment_status":"provisional","auth_and_scopes":"The connector is unauthenticated but accepts booking identity/details; reservation lookup and cancellation authorization are not documented.","blocked_missing_evidence":null,"confidence":"medium","displayed_risk":"high","evidence_completeness":"complete","manual_overall_risk":"high","official_sources":[{"accessed_at":"2026-10-10T20:24:37Z","url_or_path":"plutosecurity/plutonium@b749c8dc43536c794409be9805edd48063f045e2:app/data/conn/claudesec/40fc512d-61c3-4933-b9e8-70fe427128f8.json","what_it_proves":"Candidate PR #125 record identity (name \"1Stay\", 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/40fc512d-61c3-4933-b9e8-70fe427128f8: complete tool_names inventory (8 tools), remote streamable-http endpoint https://mcp.stayker.com/mcp/anthropic, auth_posture no_auth, directory tier community"}],"primary_reason":"1Stay creates and cancels real reservations and sends booking email without a documented authentication posture.","provisional_risk":null,"publication_recommendation":"fix","requires_runtime_verification":true,"review_key":"claude:40fc512d-61c3-4933-b9e8-70fe427128f8","reviewed_at":"2026-10-10","reviewer_notes":"Document lookup/cancel authorization, bind price/refund previews to explicit confirmation, and protect personal booking details.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"true","browser_control":"false","credential_or_admin_actions":"false","deletes_data":"true","deployment_or_infrastructure":"false","dynamic_hidden_actions":"true","filesystem_or_repo_access":"false","forwards_data_to_third_party":"true","modifies_data":"true","persistent_credentials":"false","prompt_injection_exposure":"true","provenance_uncertainty":"true","reads_private_data":"true","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":"1Stay","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=40fc512d-61c3-4933-b9e8-70fe427128f8&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://stayker.com/legal/privacy","provisional_risk":null,"publication_recommendation":"fix","publisher":"Stayker","publisher_url":"https://stayker.com/","remote_url":"https://mcp.stayker.com/mcp/anthropic","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: Booking commits a real reservation and associated fee/payment obligation even if the hotel separately charges the stay.","evidence":"Creates a real hotel reservation and booking-fee obligation: The description says the connector books through secure checkout, returns the hotel's real confirmation number, and itemizes a 1Stay booking fee before confirmation.","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":"Creates a real hotel reservation and booking-fee obligation","triggering_tools":["book_hotel"]},{"description":"This connector can permanently remove data or resources. Review findings: Cancellation is a destructive external transaction with possible financial consequences.","evidence":"Cancels real hotel bookings: The connector can cancel an existing reservation after showing its refund policy.","manual_risk_type":"data_deletion","remediation":{"block_tool_categories":["destructive"],"steps":["Disable destructive tools unless deletion is an explicit workflow requirement.","Require human confirmation and verified backups before deletion."]},"risk_type":"deletes_data","severity":"high","title":"Cancels real hotel bookings","triggering_tools":["cancel_booking"]},{"description":"This connector can publish or send messages and content using the connected identity. Review findings: It triggers an external message containing booking information.","evidence":"Resends booking confirmation email: The declared tool sends a confirmation email for a real reservation.","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":"Resends booking confirmation email","triggering_tools":["resend_confirmation"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"https://1stay.ai/claude/","tags":["deletes_data","network_access","sends_messages_as_you","spends_money","web_connector"],"tools":[{"description":"","name":"book_hotel","risk":{"category":"financial","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can spend money, consume paid credits, or change financially consequential resources. Review findings: Booking commits a real reservation and associated fee/payment obligation even if the hotel separately charges the stay."}},{"description":"","name":"cancel_booking","risk":{"category":"destructive","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can permanently remove data or resources. Review findings: Cancellation is a destructive external transaction with possible financial consequences."}},{"description":"","name":"get_booking"},{"description":"","name":"get_hotel_details"},{"description":"","name":"lookup_booking"},{"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: It triggers an external message containing booking information."}},{"description":"","name":"search_hotels"},{"description":"","name":"search_tools"}],"tools_count":8,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/40fc512d-61c3-4933-b9e8-70fe427128f8","uuid":"98f0a161-e94a-5ced-8d17-263bdaf98565","verification_tier":"community","version":""},"query_key":"1stay","schema_version":1,"status":"match"}