{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-07-01","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"Omnisend MCP brings marketing data into Claude. Analyze campaigns, automation drop-offs, and subscriber trends. Its discovered schemas also expose supported create, update, and delete operations.","did":"3a9322fe-d63d-4e3f-91c5-29c837925de1","documentation_url":"https://api-docs.omnisend.com/reference/mcp-server-v2","editorial_description":{"extended_description":"Search and reference tools help discover the connected account's data and supported operations. Authentication is required.","schema_version":1,"summary":"Omnisend MCP brings marketing data into Claude.\nAnalyze campaigns, automation drop-offs, and subscriber trends.\nIts discovered schemas also expose supported create, update, and delete operations."},"homepage_url":"","icon":"","id":"3a9322fe-d63d-4e3f-91c5-29c837925de1","installs":0,"last_scanned":"","license":"","long_description":"Search and reference tools help discover the connected account's data and supported operations. Authentication is required.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The declared surface includes delete but does not enumerate the marketing resources or operations it can target.","reasoning":"Potentially destructive actions are hidden behind a generic operation rather than individually reviewable tools.","risk_type":"data_deletion","severity":"high","title":"Exposes a generic deletion gateway","triggering_tools_or_skills":["omnisend_delete"]},{"evidence":"The connector uses schema/reference helpers plus generic create, update and delete tools while the description mentions campaigns, automations and subscribers.","reasoning":"The actual send, audience, deletion and administrative surface is not captured in the catalog inventory.","risk_type":"generic_gateway","severity":"high","title":"Discovers and invokes hidden Omnisend CRUD operations","triggering_tools_or_skills":["omnisend_create","omnisend_delete","omnisend_reference","omnisend_search","omnisend_tool_schema","omnisend_update"]}],"assessment_status":"provisional","auth_and_scopes":"Authentication connects Omnisend marketing data; create/delete/update operate through a schema/reference-driven gateway whose concrete resources and permissions are not stored.","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/3a9322fe-d63d-4e3f-91c5-29c837925de1.json","what_it_proves":"Candidate PR #125 record identity (name \"Omnisend MCP\", publisher, type web_connector) and 7 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/3a9322fe-d63d-4e3f-91c5-29c837925de1: complete tool_names inventory (7 tools), remote streamable-http endpoint https://mcp.omnisend.com/v2/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"Omnisend hides a broad marketing CRUD surface behind generic create/update/delete tools.","provisional_risk":null,"publication_recommendation":"fix","requires_runtime_verification":true,"review_key":"claude:3a9322fe-d63d-4e3f-91c5-29c837925de1","reviewed_at":"2026-10-10","reviewer_notes":"Snapshot every operation and re-review campaign sends, automation activation, subscriber deletion and account settings before publication.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"true","browser_control":"false","credential_or_admin_actions":"unknown","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":"true","prompt_injection_exposure":"true","provenance_uncertainty":"true","reads_private_data":"true","runs_code_or_queries":"false","sends_messages_as_user":"unknown","spends_or_moves_money":"false"},"tools_or_skills_reviewed":7,"tools_or_skills_total":7},"name":"Omnisend MCP","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=3a9322fe-d63d-4e3f-91c5-29c837925de1&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://www.omnisend.com/privacy/","provisional_risk":null,"publication_recommendation":"fix","publisher":"Omnisend","publisher_url":"https://www.omnisend.com/","remote_url":"https://mcp.omnisend.com/v2/mcp","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can permanently remove data or resources. Review findings: Potentially destructive actions are hidden behind a generic operation rather than individually reviewable tools.","evidence":"Exposes a generic deletion gateway: The declared surface includes delete but does not enumerate the marketing resources or operations it can target.","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":"Exposes a generic deletion gateway","triggering_tools":["omnisend_delete"]},{"description":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: The actual send, audience, deletion and administrative surface is not captured in the catalog inventory.","evidence":"Discovers and invokes hidden Omnisend CRUD operations: The connector uses schema/reference helpers plus generic create, update and delete tools while the description mentions campaigns, automations and subscribers.","manual_risk_type":"generic_gateway","remediation":{"block_tool_categories":["code_execution"],"steps":["Run only in a sandbox with least-privilege credentials and strict resource limits.","Disable generic execution gateways unless their reachable action set is fully understood.","Require approval before execution against production systems or sensitive data."]},"risk_type":"runs_code","severity":"high","title":"Discovers and invokes hidden Omnisend CRUD operations","triggering_tools":["omnisend_create","omnisend_delete","omnisend_reference","omnisend_search","omnisend_tool_schema","omnisend_update"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"https://www.omnisend.com/contact-us/support/","tags":["deletes_data","network_access","oauth_required","runs_code","web_connector"],"tools":[{"description":"","name":"omnisend_create","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: The actual send, audience, deletion and administrative surface is not captured in the catalog inventory."}},{"description":"","name":"omnisend_delete","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: The actual send, audience, deletion and administrative surface is not captured in the catalog inventory."}},{"description":"","name":"omnisend_query"},{"description":"","name":"omnisend_reference","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: The actual send, audience, deletion and administrative surface is not captured in the catalog inventory."}},{"description":"","name":"omnisend_search","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: The actual send, audience, deletion and administrative surface is not captured in the catalog inventory."}},{"description":"","name":"omnisend_tool_schema","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: The actual send, audience, deletion and administrative surface is not captured in the catalog inventory."}},{"description":"","name":"omnisend_update","risk":{"category":"code_execution","level":"high","recommendation":"Follow the connector-level remediation and require approval for consequential actions.","why":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: The actual send, audience, deletion and administrative surface is not captured in the catalog inventory."}}],"tools_count":7,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/3a9322fe-d63d-4e3f-91c5-29c837925de1","uuid":"b6c3076f-d910-5690-ab77-cea4cd62a8f4","verification_tier":"community","version":""},"query_key":"omnisend omnisend mcp","schema_version":1,"status":"match"}