{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-07-10","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"Calendesk manages service appointments and client records. Find availability, create or reschedule bookings, block time, and send client notifications. OAuth access follows your Calendesk role and selected company.","did":"fb86a522-432e-4684-84df-e14fd7e440d5","documentation_url":"https://github.com/calendesk/calendesk-mcp-server","editorial_description":{"extended_description":"Inspect revenue or booking statistics and subscription payments. Tools cancel bookings and delete client or employee records. The connector is available across Calendesk plans.","schema_version":1,"summary":"Calendesk manages service appointments and client records.\nFind availability, create or reschedule bookings, block time, and send client notifications.\nOAuth access follows your Calendesk role and selected company."},"homepage_url":"","icon":"","id":"fb86a522-432e-4684-84df-e14fd7e440d5","installs":0,"last_scanned":"","license":"","long_description":"Inspect revenue or booking statistics and subscription payments. Tools cancel bookings and delete client or employee records. The connector is available across Calendesk plans.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The inventory explicitly deletes client appointments, staff/user identities, and availability blocks.","reasoning":"These actions can disrupt service schedules and revoke access or erase records.","risk_type":"data_deletion","severity":"high","title":"Bookings, employees, users, and unavailable slots can be deleted","triggering_tools_or_skills":["delete_booking","delete_employee","delete_user","delete_unavailable_slot"]},{"evidence":"The connector acts as a front desk, creates/updates client bookings, and sends notifications.","reasoning":"These actions communicate appointments and changes to clients or staff as the business.","risk_type":"messaging_as_user","severity":"high","title":"Bookings and notifications can be sent","triggering_tools_or_skills":["create_booking","send_notification","update_booking"]},{"evidence":"Named tools administer Calendesk users/employees.","reasoning":"Identity lifecycle is a privileged account-management capability.","risk_type":"credential_admin","severity":"high","title":"Staff and user accounts can be created, updated, or removed","triggering_tools_or_skills":["create_user","update_user","delete_user","delete_employee"]},{"evidence":"The listing covers clients, schedule, monthly revenue and the inventory includes subscription/payment records.","reasoning":"This combines personal appointment and financial data.","risk_type":"private_data_read","severity":"medium","title":"Client bookings, subscriptions, payments, and revenue statistics are exposed","triggering_tools_or_skills":["get_booking","list_events","list_user_subscriptions","list_subscription_payments","get_stats"]}],"assessment_status":"provisional","auth_and_scopes":"Authentication grants Calendesk booking, employee/user, client, availability, notification, subscription and payment reporting permissions; exact roles are not stated.","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/fb86a522-432e-4684-84df-e14fd7e440d5.json","what_it_proves":"Candidate PR #125 record identity (name \"Calendesk - Appointment scheduling software\", publisher, type web_connector) and 34 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/fb86a522-432e-4684-84df-e14fd7e440d5: complete tool_names inventory (34 tools), remote streamable-http endpoint https://claude.calendesk.com/, auth_posture auth_required, directory tier community"}],"primary_reason":"Calendesk can delete bookings/users, create appointments, send notifications, and administer identities.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:fb86a522-432e-4684-84df-e14fd7e440d5","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 34 tools; booking payment/charge creation is not explicitly exposed.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"false","browser_control":"false","credential_or_admin_actions":"true","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":34,"tools_or_skills_total":34},"name":"Calendesk - Appointment scheduling software","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=fb86a522-432e-4684-84df-e14fd7e440d5&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://calendesk.com/privacy-policy","provisional_risk":null,"publication_recommendation":"accept","publisher":"Calendesk","publisher_url":"https://calendesk.com/","remote_url":"https://claude.calendesk.com/","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can permanently remove data or resources. Review findings: These actions can disrupt service schedules and revoke access or erase records.","evidence":"Bookings, employees, users, and unavailable slots can be deleted: The inventory explicitly deletes client appointments, staff/user identities, and availability blocks.","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":"Bookings, employees, users, and unavailable slots can be deleted","triggering_tools":["delete_booking","delete_employee","delete_user","delete_unavailable_slot"]},{"description":"This connector can publish or send messages and content using the connected identity. Review findings: These actions communicate appointments and changes to clients or staff as the business.","evidence":"Bookings and notifications can be sent: The connector acts as a front desk, creates/updates client bookings, and sends notifications.","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":"Bookings and notifications can be sent","triggering_tools":["create_booking","send_notification","update_booking"]},{"description":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Identity lifecycle is a privileged account-management capability.","evidence":"Staff and user accounts can be created, updated, or removed: Named tools administer Calendesk users/employees.","manual_risk_type":"credential_admin","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":"high","title":"Staff and user accounts can be created, updated, or removed","triggering_tools":["create_user","update_user","delete_user","delete_employee"]},{"description":"This connector can read information available to the connected account and return it to the AI. Review findings: This combines personal appointment and financial data.","evidence":"Client bookings, subscriptions, payments, and revenue statistics are exposed: The listing covers clients, schedule, monthly revenue and the inventory includes subscription/payment records.","manual_risk_type":"private_data_read","remediation":{"block_tool_categories":["data_exfiltration"],"steps":["Use a least-privilege account limited to the information required by the workflow.","Restrict folders, projects, tenants, and other data scopes wherever the provider allows it.","Review access logs for unexpected reads or bulk retrieval."]},"risk_type":"reads_private_data","severity":"medium","title":"Client bookings, subscriptions, payments, and revenue statistics are exposed","triggering_tools":["get_booking","list_events","list_user_subscriptions","list_subscription_payments","get_stats"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"support@calendesk.com","tags":["accesses_calendar","deletes_data","modifies_data","network_access","oauth_required","reads_private_data","sends_messages_as_you","web_connector"],"tools":[{"description":"","name":"check_event_overlaps"},{"description":"","name":"create_booking","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: These actions communicate appointments and changes to clients or staff as the business."}},{"description":"","name":"create_unavailable_slot"},{"description":"","name":"create_user","risk":{"category":"state_change","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Identity lifecycle is a privileged account-management capability."}},{"description":"","name":"delete_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: These actions can disrupt service schedules and revoke access or erase records."}},{"description":"","name":"delete_employee","risk":{"category":"state_change","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Identity lifecycle is a privileged account-management capability."}},{"description":"","name":"delete_unavailable_slot","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: These actions can disrupt service schedules and revoke access or erase records."}},{"description":"","name":"delete_user","risk":{"category":"state_change","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Identity lifecycle is a privileged account-management capability."}},{"description":"","name":"get_availability"},{"description":"","name":"get_available_slots"},{"description":"","name":"get_booking","risk":{"category":"data_exfiltration","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can read information available to the connected account and return it to the AI. Review findings: This combines personal appointment and financial data."}},{"description":"","name":"get_employee"},{"description":"","name":"get_group_booking"},{"description":"","name":"get_me"},{"description":"","name":"get_service"},{"description":"","name":"get_settings"},{"description":"","name":"get_stats","risk":{"category":"data_exfiltration","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can read information available to the connected account and return it to the AI. Review findings: This combines personal appointment and financial data."}},{"description":"","name":"get_unavailable_slot"},{"description":"","name":"get_user"},{"description":"","name":"list_availability"},{"description":"","name":"list_employees"},{"description":"","name":"list_events","risk":{"category":"data_exfiltration","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can read information available to the connected account and return it to the AI. Review findings: This combines personal appointment and financial data."}},{"description":"","name":"list_products"},{"description":"","name":"list_service_types"},{"description":"","name":"list_services"},{"description":"","name":"list_tags"},{"description":"","name":"list_users"},{"description":"","name":"search_users"},{"description":"","name":"send_notification","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: These actions communicate appointments and changes to clients or staff as the business."}},{"description":"","name":"update_booking","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: These actions communicate appointments and changes to clients or staff as the business."}},{"description":"","name":"update_unavailable_slot"},{"description":"","name":"update_user","risk":{"category":"state_change","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can create, update, configure, or otherwise change connected resources. Review findings: Identity lifecycle is a privileged account-management capability."}},{"description":"","name":"list_user_subscriptions","risk":{"category":"data_exfiltration","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can read information available to the connected account and return it to the AI. Review findings: This combines personal appointment and financial data."}},{"description":"","name":"list_subscription_payments","risk":{"category":"data_exfiltration","level":"medium","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can read information available to the connected account and return it to the AI. Review findings: This combines personal appointment and financial data."}}],"tools_count":34,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/fb86a522-432e-4684-84df-e14fd7e440d5","uuid":"5dd3127f-9b57-54be-928d-4722f1702605","verification_tier":"community","version":""},"query_key":"calendesk calendesk appointment scheduling software","schema_version":1,"status":"match"}