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MailerLite MCP Integration for Codex

Connect MailerLite to Codex through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

8 functions 4 read 4 write API key auth

Connect MailerLite to Codex

Use KosmoKrator as a local MCP proxy for Codex so coding sessions can reach selected integrations with explicit write policy.

Register kosmo mcp:serve as a local stdio server and choose the integration allowlist. The gateway is local, scoped to this integration, and starts with --write=deny so Codex can inspect read-capable tools without receiving write access by default.

MailerLite MCP Config for Codex

Keep write access denied or ask-based unless the workspace is trusted.

{
  "mcpServers": {
    "kosmokrator-mailerlite": {
      "type": "stdio",
      "command": "kosmo",
      "args": [
        "mcp:serve",
        "--integration=mailerlite",
        "--write=deny"
      ]
    }
  }
}

Run the Gateway Manually

kosmokrator mcp:serve --integration=mailerlite --write=deny

Why Use KosmoKrator Here

Scoped tools

Expose only MailerLite instead of a broad multi-service tool list.

Local credentials

Reuse credentials already configured for the KosmoKrator CLI and Lua runtime.

Write policy

Start read-only, then opt into ask or allow for trusted workspaces.

MailerLite Tools Visible to Codex

Codex sees stable MCP tool names generated from the MailerLite integration catalog.

MCP toolSource functionTypeDescription
integration__mailerlite__mailerlite_list_subscribers mailerlite.mailerlite_list_subscribers Read List subscribers from MailerLite. Supports pagination and filtering by status (active, unsubscribed, etc.).
integration__mailerlite__mailerlite_get_subscriber mailerlite.mailerlite_get_subscriber Read Get details for a single MailerLite subscriber by their ID.
integration__mailerlite__mailerlite_create_subscriber mailerlite.mailerlite_create_subscriber Write Add a new subscriber to MailerLite. Provide an email address and optionally a name and custom fields.
integration__mailerlite__mailerlite_update_subscriber mailerlite.mailerlite_update_subscriber Write Update an existing subscriber in MailerLite. Provide the subscriber ID and fields to update.
integration__mailerlite__mailerlite_delete_subscriber mailerlite.mailerlite_delete_subscriber Write Delete a subscriber from MailerLite by their ID. This action is permanent.
integration__mailerlite__mailerlite_list_groups mailerlite.mailerlite_list_groups Read List subscriber groups (segments) from MailerLite. Supports pagination.
integration__mailerlite__mailerlite_add_subscriber_to_group mailerlite.mailerlite_add_subscriber_to_group Write Add a subscriber to a MailerLite group by providing the group ID and subscriber email.
integration__mailerlite__mailerlite_get_current_user mailerlite.mailerlite_get_current_user Read Get the currently authenticated MailerLite account information. Useful for verifying API credentials.

Related MailerLite Pages