MCP server

Loops MCP by usefulapi

io.usefulapi/loops

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Manage Loops contacts, mailing lists, and transactional/event emails.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

10

Token cost

About 1,908 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http loops https://loops.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.loops]
url = "https://loops.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"loops":{"httpUrl":"https://loops.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"loops":{"url":"https://loops.usefulapi.io/mcp"}}}

VS Code

{"servers":{"loops":{"type":"http","url":"https://loops.usefulapi.io/mcp"}}}

Antigravity

agy mcp add loops https://loops.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"loops","server_url":"https://loops.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"loops","server_url":"https://loops.usefulapi.io/mcp"}

Tools

• loops_create_contact ~336 tokens
  Creates a contact in Loops (additive). Loops API: POST /v1/contacts/create.
• loops_create_contact_property ~146 tokens
  Creates a custom contact property/field (additive schema change). Loops API: POST /v1/contacts/properties.
• loops_delete_contact Deletes data · ~116 tokens
  Deletes a contact from Loops. Destructive. Supply email OR userId. Loops API: POST /v1/contacts/delete.
• loops_find_contact ~117 tokens
  Find a contact by email or userId (supply at least one). Loops API: GET /v1/contacts/find.
• loops_list_contact_properties ~110 tokens
  List contact fields / custom properties defined in Loops. Loops API: GET /v1/contacts/properties.
• loops_list_mailing_lists ~69 tokens
  List all mailing lists in the Loops account (id + name). Loops API: GET /v1/lists.
• loops_send_event Sends messages · ~316 tokens
  Sends an event to Loops for a contact — TRIGGERS any automations/loops subscribed to this event. Loops API: POST /v1/events/send.
• loops_send_transactional Sends messages · ~272 tokens
  SENDS a real transactional email via a Loops template. This dispatches an actual email to the recipient. Loops API: POST /v1/transactional.
• loops_test_api_key ~75 tokens
  Verify the configured Loops API key and return the team name — a good first call. Loops API: GET /v1/api-key.
• loops_update_contact ~351 tokens
  Updates (or creates) a contact by email/userId. Upserts — creates the contact if not found. Loops API: PUT /v1/contacts/update.

Browse

• Email

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