Connector guide3-minute read14 MCP tools7 languages

How to Connect Kit (ConvertKit) to ChatGPT — via MCP

Drive Kit (formerly ConvertKit) — creator-focused email marketing — from any AI agent: subscribers, tags, forms, sequences, broadcasts, custom fields. 14 tools, v4 API with API-key Bearer auth.

HCBy HelpCode teamUpdated 3 min read Open-source on GitHub

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Kit (ConvertKit)

Kit (ConvertKit)

Drive Kit (formerly ConvertKit) — creator-focused email marketing — from any AI agent: subscribers, tags, forms, sequences, broadcasts, custom fields. 14 tools, v4 API with API-key Bearer auth.

tools

14

Region

INTL

Category

Email

Authentication

Bearer Token

Required env vars

CONVERTKIT_API_KEY
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    EU data residency, audit logs
  • Open-source on GitHub
    Open source · AGPL-3.0
  • Works with ChatGPT, Claude, Gemini
    Any MCP-compatible client

Skip the install. Get this working in under 2 minutes.

Start a free trial on cloud.anythingmcp.com, add the Kit (ConvertKit) in one click, then point your AI client (Claude, ChatGPT, Copilot or Cursor) at the generated MCP endpoint. No Docker, no git clone, zero engineering experience required.

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Summary

Drive Kit (formerly ConvertKit) — creator-focused email marketing — from any AI agent: subscribers, tags, forms, sequences, broadcasts, custom fields. 14 tools, v4 API with API-key Bearer auth.

Try asking

Example prompts for Kit (ConvertKit)

Click any prompt to copy it. Paste into Claude, ChatGPT, Cursor, Gemini, Copilot or OpenClaw to run it against this connector.

Kit (ConvertKit) · live via MCP
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Opus 4.7

Claude is AI and can make mistakes. Please double-check responses.

💡 No install? Use cloud.anythingmcp.com directly. Sign in, click Connectors → Kit (ConvertKit), paste your credentials, mint an MCP API key — done. No Docker, no git clone, no local server.

Kit (ConvertKit) + ChatGPT

Drive Kit (formerly ConvertKit) — creator-focused email marketing — from any AI agent: subscribers, tags, forms, sequences, broadcasts, custom fields. 14 tools, v4 API with API-key Bearer auth.

Prerequisites

See the full setup instructions baked into the connector (visible in the in-app store when you select the connector). The required environment variables for this connector are:

CONVERTKIT_API_KEY

Step 1 — Get credentials

convertkit.com under v4).

Setup:

  1. Sign in to https://app.kit.com → Advanced Settings → API → Show v4 API key.
  2. Copy the v4 API key. Set CONVERTKIT_API_KEY.
  3. (Optional, only for older v3 endpoints not used here): the v3 API uses an api_secret — not needed for this connector.

Authentication: Authorization: Bearer ${CONVERTKIT_API_KEY}. The adapter handles this via BEARER_TOKEN.

Subscriber model: every email is a 'subscriber'. State machine: active, inactive (manually paused), bounced, complained, cancelled. New subscribers default to active. Adding to a sequence does NOT create an active subscriber automatically — they must be active first.

…(continued in the in-app connector instructions)

Step 2 — Install the adapter

curl -fsSL https://raw.githubusercontent.com/HelpCode-ai/anythingmcp/main/docker-compose.quickstart.yml -o docker-compose.yml
printf 'JWT_SECRET=%s\nENCRYPTION_KEY=%s\n' "$(openssl rand -hex 32)" "$(openssl rand -hex 32)" > .env
docker compose up -d

Step 3 — Add the connector in ChatGPT

Your server URL: in AnythingMCP, open MCP Servers → the server this connector is on, and copy its URL (https://cloud.anythingmcp.com/mcp/…). Use it wherever this guide shows YOUR_SERVER_ID.

ChatGPT connects to MCP servers as custom apps in developer mode, available on paid plans (not on Free). On Business and Enterprise workspaces an admin may have to allow it first.

  1. In ChatGPT, open Settings → Security and login and turn on Developer mode.
  2. Go to chatgpt.com/plugins and click +.
  3. Enter a name and a short description, e.g. Name: Kit (ConvertKit).
  4. Under Connection, enter the MCP server URL https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID and create the connection.
  5. When ChatGPT asks, sign in to AnythingMCP (OAuth) and allow access.

Available tools

ToolWhat it does
convertkit_get_accountReturn account info (name, plan, primary_email_address, created_at)
convertkit_list_subscribersList subscribers with filters
convertkit_get_subscriberFetch a subscriber by ID with full fields object and tags[]
convertkit_create_subscriberCreate a subscriber
convertkit_update_subscriberUpdate a subscriber's email, first_name, or custom fields
convertkit_unsubscribeMark a subscriber as inactive (Kit's unsubscribe)
convertkit_list_tagsList all tags
convertkit_create_tagCreate a tag
convertkit_tag_subscriberApply a tag to a subscriber
convertkit_remove_tag_from_subscriberRemove a tag from a subscriber
convertkit_list_formsList signup forms / landing pages
convertkit_list_sequencesList sequences (drip email courses)
convertkit_add_subscriber_to_sequenceEnroll a subscriber in a sequence
convertkit_list_broadcastsList broadcasts (one-off email sends)

FAQ

Does the free ChatGPT plan work with custom MCP connectors? No. Custom MCP connections need developer mode, which is only on paid plans.

Next steps

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