{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-09-16","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"OnceHub manages your meeting availability and booking workflows. Inspect upcoming meetings, calendars, hubs, and booking or one-time-use links. Update working hours, manage pending requests, cancel meetings, or request guest rescheduling.","did":"ad060060-0441-4e5d-a80c-e4474edd5d61","documentation_url":"https://help.oncehub.com/","editorial_description":{"extended_description":"Set recurring or date-specific availability and mark meetings as no-shows. Actions apply to the authenticated user's own scheduling context.","schema_version":1,"summary":"OnceHub manages your meeting availability and booking workflows.\nInspect upcoming meetings, calendars, hubs, and booking or one-time-use links.\nUpdate working hours, manage pending requests, cancel meetings, or request guest rescheduling."},"homepage_url":"","icon":"","id":"ad060060-0441-4e5d-a80c-e4474edd5d61","installs":0,"last_scanned":"","license":"","long_description":"Set recurring or date-specific availability and mark meetings as no-shows. Actions apply to the authenticated user's own scheduling context.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The explicit tool terminates a real scheduled meeting.","reasoning":"It destructively changes external participant calendars.","risk_type":"data_deletion","severity":"high","title":"Cancels meetings","triggering_tools_or_skills":["cancel_meeting"]},{"evidence":"These actions communicate/decide with real meeting guests.","reasoning":"They act as the connected user.","risk_type":"messaging_as_user","severity":"high","title":"Requests guests to reschedule and manages pending requests","triggering_tools_or_skills":["request_guest_to_reschedule","manage_my_pending_meeting_requests"]},{"evidence":"The tools persist scheduling availability.","reasoning":"They materially affect booking behavior.","risk_type":"data_modification","severity":"medium","title":"Updates recurring/date-specific availability","triggering_tools_or_skills":["update_my_recurring_working_hours","update_my_date_specific_availability"]}],"assessment_status":"provisional","auth_and_scopes":"Authentication scopes the user’s OnceHub meetings, calendars and hubs.","blocked_missing_evidence":null,"confidence":"medium","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/ad060060-0441-4e5d-a80c-e4474edd5d61.json","what_it_proves":"Candidate PR #125 record identity (name \"OnceHub\", publisher, type web_connector) and 12 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/ad060060-0441-4e5d-a80c-e4474edd5d61: complete tool_names inventory (12 tools), remote streamable-http endpoint https://my-mcp.oncehub.com/, auth_posture auth_required, directory tier community"}],"primary_reason":"OnceHub can cancel meetings and communicate rescheduling decisions.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:ad060060-0441-4e5d-a80c-e4474edd5d61","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 12 tools.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"false","browser_control":"false","credential_or_admin_actions":"false","deletes_data":"true","deployment_or_infrastructure":"false","dynamic_hidden_actions":"false","filesystem_or_repo_access":"false","forwards_data_to_third_party":"true","modifies_data":"true","persistent_credentials":"true","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":"false"},"tools_or_skills_reviewed":12,"tools_or_skills_total":12},"name":"OnceHub","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=ad060060-0441-4e5d-a80c-e4474edd5d61&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://www.oncehub.com/trustcenter/legal/privacynotice","provisional_risk":null,"publication_recommendation":"accept","publisher":"OnceHub","publisher_url":"https://oncehub.com/","remote_url":"https://my-mcp.oncehub.com/","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can permanently remove data or resources. 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