{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-08-18","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"Checks email addresses using ReachStream's SMTP-level verification. Submit a single address or list and retrieve verification results. Use the assessment to review contacts before sending, not as a delivery guarantee.","did":"bb92f11c-2a52-494b-b94e-a83e875868fc","documentation_url":"https://www.reachstream.com/email-verifier/mcp-connector/","editorial_description":{"extended_description":"Tools create verification requests and retrieve individual or multiple request results.","schema_version":1,"summary":"Checks email addresses using ReachStream's SMTP-level verification.\nSubmit a single address or list and retrieve verification results.\nUse the assessment to review contacts before sending, not as a delivery guarantee."},"homepage_url":"","icon":"https://emailverifier.reachstream.com/favicon.ico","id":"bb92f11c-2a52-494b-b94e-a83e875868fc","installs":0,"last_scanned":"","license":"","long_description":"Tools create verification requests and retrieve individual or multiple request results.","manual_assessment":"low","manual_review":{"all_findings":[{"evidence":"The listing says submitted addresses are checked in real time using SMTP-level validation; the inventory creates and retrieves those requests.","reasoning":"The service receives potentially personal email addresses, but the declared tools do not message them or change a user-owned business record.","risk_type":"third_party_data_forwarding","severity":"low","title":"Forwards addresses for SMTP-level verification","triggering_tools_or_skills":["create_email_verification_request","get_email_verification_request","get_multiple_email_verification_requests"]}],"assessment_status":"provisional","auth_and_scopes":"Authentication is required; plan limits and retention of submitted email addresses are not documented.","blocked_missing_evidence":null,"confidence":"medium","displayed_risk":"low","evidence_completeness":"partial","manual_overall_risk":"low","official_sources":[{"accessed_at":"2026-10-10T20:24:37Z","url_or_path":"plutosecurity/plutonium@b749c8dc43536c794409be9805edd48063f045e2:app/data/conn/claudesec/bb92f11c-2a52-494b-b94e-a83e875868fc.json","what_it_proves":"Candidate PR #125 record identity (name \"ReachStream Email Verifier\", publisher, type web_connector) and 3 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/bb92f11c-2a52-494b-b94e-a83e875868fc: complete tool_names inventory (3 tools), remote streamable-http endpoint https://emailverifier-mcp.reachstream.com/mcp, auth_posture auth_required, directory tier community"}],"primary_reason":"ReachStream submits email addresses to a bounded verification service and retrieves the verification results.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:bb92f11c-2a52-494b-b94e-a83e875868fc","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 3 names. The official MCP page could not be fetched. Per the review rubric, creating a bounded third-party verification request is treated as forwarding rather than modification of the user's own workspace; runtime verification should confirm credit consumption and bulk-size limits.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"false","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":"false","persistent_credentials":"true","prompt_injection_exposure":"true","provenance_uncertainty":"true","reads_private_data":"false","runs_code_or_queries":"false","sends_messages_as_user":"false","spends_or_moves_money":"false"},"tools_or_skills_reviewed":3,"tools_or_skills_total":3},"name":"ReachStream Email Verifier","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=bb92f11c-2a52-494b-b94e-a83e875868fc&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://www.reachstream.com/privacy/","provisional_risk":null,"publication_recommendation":"accept","publisher":"ReachStream","publisher_url":"https://www.reachstream.com/email-verifier/","remote_url":"https://emailverifier-mcp.reachstream.com/mcp","repository_url":"","risk":"low","risk_severity":"low","security_risks":[{"description":"This connector can send caller-provided data to an external service or publisher. Review findings: The service receives potentially personal email addresses, but the declared tools do not message them or change a user-owned business record.","evidence":"Forwards addresses for SMTP-level verification: The listing says submitted addresses are checked in real time using SMTP-level validation; the inventory creates and retrieves those requests.","manual_risk_type":"third_party_data_forwarding","remediation":{"block_tool_categories":["sends_externally"],"steps":["Do not include secrets, regulated data, or customer information unless the destination is approved.","Review the recipient's retention and deletion policy before enabling the connector."]},"risk_type":"forwards_data_to_third_party","severity":"low","title":"Forwards addresses for SMTP-level verification","triggering_tools":["create_email_verification_request","get_email_verification_request","get_multiple_email_verification_requests"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"support@reachstream.com","tags":["forwards_data_to_third_party","network_access","oauth_required","web_connector"],"tools":[{"description":"","name":"create_email_verification_request"},{"description":"","name":"get_email_verification_request"},{"description":"","name":"get_multiple_email_verification_requests"}],"tools_count":3,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/bb92f11c-2a52-494b-b94e-a83e875868fc","uuid":"c926e8b5-af8e-5335-966c-bbb16deaa384","verification_tier":"community","version":""},"query_key":"reachstream email verifier","schema_version":1,"status":"match"}