{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"2026-08-05","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"high","description":"Check email addresses with MyEmailVerifier. Run syntax, domain, MX, and SMTP checks individually or in batches of up to ten. Requires an API key and consumes your existing verification credits.","did":"d19a708a-2a0f-43ca-9f66-671b8935f311","documentation_url":"https://myemailverifier.com/mcp-connector","editorial_description":{"extended_description":"Results flag disposable, role-based, catch-all, free-provider, and greylisted addresses, with readable and structured output. You can also check the remaining credit balance. The connector does not modify or delete account data; verification results are not a guarantee that a message will be delivered.","schema_version":1,"summary":"Check email addresses with MyEmailVerifier.\nRun syntax, domain, MX, and SMTP checks individually or in batches of up to ten.\nRequires an API key and consumes your existing verification credits."},"homepage_url":"","icon":"","id":"d19a708a-2a0f-43ca-9f66-671b8935f311","installs":0,"last_scanned":"","license":"","long_description":"Results flag disposable, role-based, catch-all, free-provider, and greylisted addresses, with readable and structured output. You can also check the remaining credit balance. The connector does not modify or delete account data; verification results are not a guarantee that a message will be delivered.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"Official docs state that verify_email uses one credit and verify_email_batch uses one credit per address, drawn from the user's existing balance.","reasoning":"Consuming paid account credits is a High financial capability even though it does not charge a card directly.","risk_type":"financial_transaction","severity":"high","title":"Email checks consume paid verification credits","triggering_tools_or_skills":["verify_email","verify_email_batch"]},{"evidence":"Official docs say addresses are passed directly to the MyEmailVerifier API for SMTP and domain checks and are not retained by the connector.","reasoning":"The requested addresses leave the assistant and are processed by the named third party.","risk_type":"third_party_data_forwarding","severity":"low","title":"Submitted email addresses go to the verification service","triggering_tools_or_skills":["verify_email","verify_email_batch"]},{"evidence":"The connector runs at https://mcp.myemailverifier.com/mcp without a pinned server implementation in the review packet.","reasoning":"The hosted implementation can change independently of this snapshot, so runtime verification and change monitoring remain necessary.","risk_type":"provenance_uncertainty","severity":"low","title":"MyEmailVerifier is a mutable hosted service","triggering_tools_or_skills":[]}],"assessment_status":"provisional","auth_and_scopes":"OAuth 2.1 with PKCE wraps the user's API key; official docs say the key is encrypted into the token, access tokens last one hour and rotated refresh tokens last 30 days.","blocked_missing_evidence":null,"confidence":"high","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/d19a708a-2a0f-43ca-9f66-671b8935f311.json","what_it_proves":"Candidate PR #125 record identity (name \"MyEmailVerifier\", 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/d19a708a-2a0f-43ca-9f66-671b8935f311: complete tool_names inventory (3 tools), remote streamable-http endpoint https://mcp.myemailverifier.com/mcp, auth_posture auth_required, directory tier community"},{"accessed_at":"2026-10-10T21:14:44Z","url_or_path":"https://myemailverifier.com/mcp-connector","what_it_proves":"Official docs enumerate the three read-only tools and confirm that single/batch verification consumes existing verification credits while balance checks are free."}],"primary_reason":"MyEmailVerifier's verification calls consume the user's paid verification-credit balance.","provisional_risk":null,"publication_recommendation":"accept","requires_runtime_verification":true,"review_key":"claude:d19a708a-2a0f-43ca-9f66-671b8935f311","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all 3 tools against the official tool and authentication reference; the service documents no account mutation or deletion.","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":"false","provenance_uncertainty":"true","reads_private_data":"true","runs_code_or_queries":"false","sends_messages_as_user":"false","spends_or_moves_money":"true"},"tools_or_skills_reviewed":3,"tools_or_skills_total":3},"name":"MyEmailVerifier","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=d19a708a-2a0f-43ca-9f66-671b8935f311&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://myemailverifier.com/privacy","provisional_risk":null,"publication_recommendation":"accept","publisher":"Pat","publisher_url":"https://myemailverifier.com/","remote_url":"https://mcp.myemailverifier.com/mcp","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: Consuming paid account credits is a High financial capability even though it does not charge a card directly.","evidence":"Email checks consume paid verification credits: Official docs state that verify_email uses one credit and verify_email_batch uses one credit per address, drawn from the user's existing balance.","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":"Email checks consume paid verification credits","triggering_tools":["verify_email","verify_email_batch"]},{"description":"This connector can send caller-provided data to an external service or publisher. Review findings: The requested addresses leave the assistant and are processed by the named third party.","evidence":"Submitted email addresses go to the verification service: Official docs say addresses are passed directly to the MyEmailVerifier API for SMTP and domain checks and are not retained by the connector.","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":"Submitted email addresses go to the verification service","triggering_tools":["verify_email","verify_email_batch"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"https://myemailverifier.com/contact-us","tags":["forwards_data_to_third_party","network_access","oauth_required","spends_money","web_connector"],"tools":[{"description":"","name":"get_credit_balance"},{"description":"","name":"verify_email","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: Consuming paid account credits is a High financial capability even though it does not charge a card directly."}},{"description":"","name":"verify_email_batch","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: Consuming paid account credits is a High financial capability even though it does not charge a card directly."}}],"tools_count":3,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/d19a708a-2a0f-43ca-9f66-671b8935f311","uuid":"cd04eb55-ae0d-5216-9417-8ed1471df146","verification_tier":"community","version":""},"query_key":"pat myemailverifier","schema_version":1,"status":"match"}