{"generated_at":"2026-10-14T20:07:22+00:00","item":{"added_at":"","analysis_method":"independent_manual_review_2026-10-10","assessment_status":"provisional","auth_posture":"auth_required","category":"Web Connector","confidence":"medium","description":"Research leads and manage outreach campaigns in lemlist. Find leads, add contacts and inspect or create campaign sequences. Retrieve inbox conversations and consult lemlist help.","did":"05526761-6c29-4d99-8eab-6b4fbd71a67b","documentation_url":"https://developer.lemlist.com/mcp/setup","editorial_description":{"extended_description":"The authenticated connector includes lead-search filters and account settings lookup. Its tools support campaign preparation and review; the listed source does not establish that creating a campaign automatically sends outreach.","schema_version":1,"summary":"Research leads and manage outreach campaigns in lemlist.\nFind leads, add contacts and inspect or create campaign sequences.\nRetrieve inbox conversations and consult lemlist help."},"homepage_url":"","icon":"https://a.storyblok.com/f/343876/31x31/aedd9ac987/lemlist-logo-svg.svg","id":"05526761-6c29-4d99-8eab-6b4fbd71a67b","installs":0,"last_scanned":"","license":"","long_description":"The authenticated connector includes lead-search filters and account settings lookup. Its tools support campaign preparation and review; the listed source does not establish that creating a campaign automatically sends outreach.","manual_assessment":"high","manual_review":{"all_findings":[{"evidence":"The Directory exposes load_skill while official full reference documents additional actions to delete sequence steps, start campaigns, send outreach, archive campaigns, and consume credits.","reasoning":"The visible ten-tool inventory is not the effective action boundary; runtime-loaded skills expose high-impact operations.","risk_type":"generic_gateway","severity":"high","title":"load_skill hides destructive and sending actions","triggering_tools_or_skills":["load_skill"]},{"evidence":"Official docs describe campaign sequences containing email and LinkedIn messages and additional start-campaign actions behind the MCP capability areas.","reasoning":"Starting a configured campaign sends external communications under the user's sales identity.","risk_type":"messaging_as_user","severity":"high","title":"Campaigns can launch multichannel outreach","triggering_tools_or_skills":["create_campaign_with_sequence","load_skill"]},{"evidence":"Official guide and full reference state some MCP actions consume lemlist credits and require confirmation.","reasoning":"Credit consumption irreversibly spends a balance with monetary value.","risk_type":"financial_transaction","severity":"high","title":"Enrichment can consume lemlist credits","triggering_tools_or_skills":["lemleads_search","load_skill"]},{"evidence":"The explicit tools create a persistent campaign sequence and push selected lead records into contacts.","reasoning":"These actions modify shared sales-workspace state.","risk_type":"data_modification","severity":"medium","title":"Campaigns, sequences, leads, and contacts can change","triggering_tools_or_skills":["create_campaign_with_sequence","push_leads_to_contacts"]},{"evidence":"Tools return prospect-authored conversations, sourced profile text, and help-center content.","reasoning":"External prospect and web text is untrusted model input.","risk_type":"prompt_injection_exposure","severity":"low","title":"Lead and inbox content enters context","triggering_tools_or_skills":["get_inbox_conversations","lemleads_search","search_help_center"]}],"assessment_status":"provisional","auth_and_scopes":"OAuth or API key grants lemlist workspace access; official docs describe confirmation gates for sends, deletes, credit use, and campaign changes.","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/05526761-6c29-4d99-8eab-6b4fbd71a67b.json","what_it_proves":"Candidate PR #125 record identity (name \"lemlist\", publisher, type web_connector) and 10 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/05526761-6c29-4d99-8eab-6b4fbd71a67b: complete tool_names inventory (10 tools), remote streamable-http endpoint https://app.lemlist.com/mcp, auth_posture auth_required, directory tier community"},{"accessed_at":"2026-10-10T20:48:06Z","url_or_path":"https://help.lemlist.com/en/articles/15565596-how-to-use-the-lemlist-mcp-from-claude-or-chatgpt","what_it_proves":"Official guide says the MCP creates campaigns and sequences and requires confirmation for sending, deleting, spending credits, or changing campaigns."},{"accessed_at":"2026-10-10T20:48:06Z","url_or_path":"https://help.lemlist.com/en/articles/15565943-lemlist-mcp-full-tools-reference","what_it_proves":"Official reference documents hidden capability areas including adding, editing and deleting steps, assigning senders, starting, pausing and archiving campaigns, and credit-consuming enrichment."}],"primary_reason":"Official documentation proves load_skill expands the apparent ten-tool surface to sending, deletion, campaign control, and paid-credit actions.","provisional_risk":null,"publication_recommendation":"fix","requires_runtime_verification":true,"review_key":"claude:05526761-6c29-4d99-8eab-6b4fbd71a67b","reviewed_at":"2026-10-10","reviewer_notes":"Reviewed all ten visible tools plus official capability and full-reference pages. The catalog should disclose dynamic hidden actions and confirmation-gated sending, deletion, and credit consumption.","risk_domains":{"arbitrary_network_access":"false","authz_ambiguity":"true","browser_control":"false","credential_or_admin_actions":"false","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":"true","spends_or_moves_money":"true"},"tools_or_skills_reviewed":10,"tools_or_skills_total":10},"name":"lemlist","needs_runtime_verification":true,"plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=05526761-6c29-4d99-8eab-6b4fbd71a67b&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","privacy_policy_url":"https://www.lemlist.com/legal/privacy-policy","provisional_risk":null,"publication_recommendation":"fix","publisher":"lemlist","publisher_url":"https://www.lemlist.com/","remote_url":"https://app.lemlist.com/mcp","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can execute code, commands, queries, or dynamically selected actions. Review findings: The visible ten-tool inventory is not the effective action boundary; runtime-loaded skills expose high-impact operations.","evidence":"load_skill hides destructive and sending actions: The Directory exposes load_skill while official full reference documents additional actions to delete sequence steps, start campaigns, send outreach, archive campaigns, and consume credits.","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":"load_skill hides destructive and sending actions","triggering_tools":["load_skill"]},{"description":"This connector can publish or send messages and content using the connected identity. Review findings: Starting a configured campaign sends external communications under the user's sales identity.","evidence":"Campaigns can launch multichannel outreach: Official docs describe campaign sequences containing email and LinkedIn messages and additional start-campaign actions behind the MCP capability areas.","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":"Campaigns can launch multichannel outreach","triggering_tools":["create_campaign_with_sequence","load_skill"]},{"description":"This connector can spend money, consume paid credits, or change financially consequential resources. Review findings: Credit consumption irreversibly spends a balance with monetary value.","evidence":"Enrichment can consume lemlist credits: Official guide and full reference state some MCP actions consume lemlist credits and require confirmation.","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":"Enrichment can consume lemlist credits","triggering_tools":["lemleads_search","load_skill"]},{"description":"This connector can create, update, configure, or otherwise change connected resources. Review findings: These actions modify shared sales-workspace state.","evidence":"Campaigns, sequences, leads, and contacts can change: The explicit tools create a persistent campaign sequence and push selected lead records into contacts.","manual_risk_type":"data_modification","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":"medium","title":"Campaigns, sequences, leads, and contacts can change","triggering_tools":["create_campaign_with_sequence","push_leads_to_contacts"]}],"signature_status":"unknown","source_code_reviewed":false,"support_url":"https://help.lemlist.com/en/articles/13728466-set-up-the-lemlist-mcp-server-in-your-llm-client-oauth-or-api-key","tags":["accesses_messaging","modifies_data","network_access","oauth_required","runs_code","sends_messages_as_you","spends_money","web_connector"],"tools":[{"description":"","name":"create_campaign_with_sequence","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: Starting a configured campaign sends external communications under the user's sales identity."}},{"description":"","name":"get_campaign_details"},{"description":"","name":"get_campaign_sequences"},{"description":"","name":"get_inbox_conversations"},{"description":"","name":"get_lemleads_filters"},{"description":"","name":"get_settings"},{"description":"","name":"lemleads_search","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: Credit consumption irreversibly spends a balance with monetary value."}},{"description":"","name":"load_skill","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: Credit consumption irreversibly spends a balance with monetary value."}},{"description":"","name":"push_leads_to_contacts","risk":{"category":"state_change","level":"medium","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: These actions modify shared sales-workspace state."}},{"description":"","name":"search_help_center"}],"tools_count":10,"transport":"streamable-http","type":"web_connector","url":"https://claude.ai/directory/05526761-6c29-4d99-8eab-6b4fbd71a67b","uuid":"00fde871-e1df-520b-b184-4372d292ca0e","verification_tier":"community","version":""},"query_key":"lemlist","schema_version":1,"status":"match"}