{"generated_at":"2026-08-17T10:36:11+00:00","item":{"added_at":"2026-03-02","analysis_method":"capability_triage","category":"Web Connector","description":"Connect Claude with MailerLite to create your very own email assistant. Use it to build email, analyze campaign performance, manage subscribers, and more, al...","did":"com-mailerlite-mcp","homepage_url":"","icon":"https://www.mailerlite.com/favicon.ico","id":"com.mailerlite/mcp","installs":0,"last_scanned":"","license":"","long_description":"Connect Claude with MailerLite to create your very own email assistant. Use it to build email, analyze campaign performance, manage subscribers, and more, all with natural language prompts.","name":"MailerLite","plutonium_url":"https://plutonium.pluto.security/detail.html?planet=claudesec&did=com-mailerlite-mcp&utm_source=plutonium_analysis_skill&utm_medium=claude_skill&utm_campaign=connector_risk_assessment","publisher":"MailerLite","publisher_url":"https://www.mailerlite.com","repository_url":"","risk":"high","risk_severity":"high","security_risks":[{"description":"This connector can read data the connected service holds about you - documents, messages, contact lists, source code, customer records, or saved profile details - and pass it back to the AI.","evidence":"Connector has 45 tools; permissions on claude.ai/directory: \"Read and write\". Data flows out of the connected service into the model.","remediation":{"block_tool_categories":[],"steps":["Connect using an account that only has access to the information you actually want Claude to read - not your main admin login.","When you grant access, pick the smallest set of folders, mailboxes, or channels possible.","Check the connector's activity log every so often to make sure nothing unexpected is being read."]},"risk_type":"reads_private_data","severity":"medium","title":"Reads your private information"},{"description":"This connector can edit, rename, overwrite, or otherwise modify records in the connected service. If a request gets manipulated, your data could be altered without you noticing.","evidence":"11 state change tools on this connector - e.g. add_subscriber, update_subscriber, create_campaign, update_campaign and 7 more.","remediation":{"block_tool_categories":["state_change"],"steps":["Try the connector on a test account first to see what it changes before letting it touch your real records.","Where the connected service supports it, give Claude read-only access and only allow writes for the specific things you need updated.","In the tools list below, turn off any tool you don't actively need - the ones tagged Block are the most important to disable."]},"risk_type":"modifies_data","severity":"medium","title":"Can change or update your information"},{"description":"This connector can erase records, files, or accounts. Once deleted the data may be unrecoverable - even an accidental request can cause permanent loss.","evidence":"8 destructive tools on this connector - e.g. delete_subscriber, delete_campaign, cancel_campaign, delete_group and 4 more.","remediation":{"block_tool_categories":["destructive"],"steps":["In the tools list below, turn off any tool tagged Block - most workflows don't need Claude to delete anything.","If you really do need deletion, use a login that doesn't have delete permission and have a person handle removals manually.","Make sure the connected service has a trash / recycle bin enabled so accidental deletes can be recovered."]},"risk_type":"deletes_data","severity":"high","title":"Can permanently delete data"},{"description":"Anything you share with this connector flows through one or more third-party services. Those companies see, store, and may use the data according to their own policies.","evidence":"Server runs at mcp.mailerlite.com/mcp; queries and responses pass through the publisher's infrastructure.","remediation":{"block_tool_categories":[],"steps":["Treat anything you tell this connector as if you sent it directly to the third-party company - because you did.","Check how long that company keeps your data and how to delete it.","Avoid putting health info, customer names, or payment details into this connector unless you have a written agreement with that company."]},"risk_type":"forwards_data_to_third_party","severity":"low","title":"Sends your data to outside companies"}],"signature_status":"unknown","source_code_reviewed":false,"tags":["network_access","reads_private_data","database_access","deletes_data"],"tools":[{"description":"Add a new subscriber or update an existing one, supporting email, name, fields, and groups.","name":"add_subscriber","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Get subscriber info by ID or email.","name":"get_subscriber"},{"description":"Update subscriber information in a non-destructive manner.","name":"update_subscriber","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"List all subscribers with filtering by status (active, unsubscribed, unconfirmed, bounced, junk).","name":"list_subscribers"},{"description":"Get activity history for a subscriber.","name":"get_subscriber_activity"},{"description":"Get the total count of subscribers.","name":"get_subscriber_count"},{"description":"Delete a subscriber while keeping info available for re-subscription.","name":"delete_subscriber","risk":{"category":"destructive","level":"high","recommendation":"Block by default. Only enable for read-only or sandbox accounts; require explicit human confirmation for any destructive action.","why":"Irreversibly removes data or resources. A prompt-injection or mistaken instruction could destroy production data with no recovery path."}},{"description":"Perform GDPR-compliant complete removal of a subscriber's data.","name":"forget_subscriber"},{"description":"Get details of a single import.","name":"get_single_import"},{"description":"Create a new email campaign supporting regular, ab, and resend types.","name":"create_campaign","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Get specific campaign details.","name":"get_campaign"},{"description":"List all campaigns with filtering by status and type.","name":"list_campaigns"},{"description":"Update campaign details including name, subject, from, and content.","name":"update_campaign","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Delete a campaign.","name":"delete_campaign","risk":{"category":"destructive","level":"high","recommendation":"Block by default. Only enable for read-only or sandbox accounts; require explicit human confirmation for any destructive action.","why":"Irreversibly removes data or resources. A prompt-injection or mistaken instruction could destroy production data with no recovery path."}},{"description":"Schedule a campaign to be sent.","name":"schedule_campaign"},{"description":"Cancel a scheduled campaign.","name":"cancel_campaign","risk":{"category":"destructive","level":"high","recommendation":"Block by default. Only enable for read-only or sandbox accounts; require explicit human confirmation for any destructive action.","why":"Irreversibly removes data or resources. A prompt-injection or mistaken instruction could destroy production data with no recovery path."}},{"description":"Get subscribers who received a campaign with filters.","name":"get_campaign_subscribers"},{"description":"List all subscriber groups.","name":"list_groups"},{"description":"Create a new subscriber group.","name":"create_group","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Update a group's name.","name":"update_group","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Delete a group.","name":"delete_group","risk":{"category":"destructive","level":"high","recommendation":"Block by default. Only enable for read-only or sandbox accounts; require explicit human confirmation for any destructive action.","why":"Irreversibly removes data or resources. A prompt-injection or mistaken instruction could destroy production data with no recovery path."}},{"description":"Get subscribers in a group.","name":"get_group_subscribers"},{"description":"Add a subscriber to a group.","name":"assign_subscriber_to_group","risk":{"category":"privilege","level":"high","recommendation":"Block unless the connector is used solely by IT/admin operators; gate behind explicit approval.","why":"Modifies who has access to data or resources. Misuse can leak sensitive content to unintended parties or escalate an attacker's privileges."}},{"description":"Remove a subscriber from a group.","name":"unassign_subscriber_from_group"},{"description":"Bulk import subscribers to a group.","name":"import_subscribers_to_group"},{"description":"List all webhooks.","name":"list_webhooks"},{"description":"Get specific webhook details.","name":"get_webhook"},{"description":"Create a new webhook with a name, URL, and events.","name":"create_webhook","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Update webhook details including enabling or disabling it.","name":"update_webhook","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Delete a webhook.","name":"delete_webhook","risk":{"category":"destructive","level":"high","recommendation":"Block by default. Only enable for read-only or sandbox accounts; require explicit human confirmation for any destructive action.","why":"Irreversibly removes data or resources. A prompt-injection or mistaken instruction could destroy production data with no recovery path."}},{"description":"List all segments.","name":"list_segments"},{"description":"Get subscribers in a segment with status filtering.","name":"get_subscribers_in_segment"},{"description":"Update a segment's name.","name":"update_segment","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Delete a segment.","name":"delete_segment","risk":{"category":"destructive","level":"high","recommendation":"Block by default. Only enable for read-only or sandbox accounts; require explicit human confirmation for any destructive action.","why":"Irreversibly removes data or resources. A prompt-injection or mistaken instruction could destroy production data with no recovery path."}},{"description":"List all automations with filtering by name, group, and enabled status.","name":"list_automations"},{"description":"Get single automation details.","name":"get_automation"},{"description":"Get subscriber activity for an automation with status filtering.","name":"get_automation_activity"},{"description":"Create a draft automation.","name":"create_automation","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Delete an automation.","name":"delete_automation","risk":{"category":"destructive","level":"high","recommendation":"Block by default. Only enable for read-only or sandbox accounts; require explicit human confirmation for any destructive action.","why":"Irreversibly removes data or resources. A prompt-injection or mistaken instruction could destroy production data with no recovery path."}},{"description":"List forms by type (popup, embedded, promotion).","name":"list_forms"},{"description":"Get single form details.","name":"get_form"},{"description":"Update a form's name.","name":"update_form","risk":{"category":"state_change","level":"medium","recommendation":"Allow only for low-stakes resources; require approval for production data changes.","why":"Creates, modifies, or uploads data on the connected service. Hijacking the tool can pollute records, plant content, or create rogue resources that bill the user."}},{"description":"Delete a form.","name":"delete_form","risk":{"category":"destructive","level":"high","recommendation":"Block by default. Only enable for read-only or sandbox accounts; require explicit human confirmation for any destructive action.","why":"Irreversibly removes data or resources. A prompt-injection or mistaken instruction could destroy production data with no recovery path."}},{"description":"Get subscribers who signed up through a form.","name":"get_form_subscribers"},{"description":"Get the current authentication status.","name":"get_auth_status"}],"tools_count":45,"type":"web_connector","url":"https://claude.ai/directory/5807a545-cd93-4e71-bb21-f3727bf34df1","uuid":"20b0ded8-09aa-5632-90b4-5e43c2487495","version":""},"query_key":"mailerlite","schema_version":1,"status":"match"}