Make AI Agents Create, Get, Update Custom Fields - ConvertKit Tool on MCP Server

Need help? Want access to this workflow + many more paid workflows + live Q&A sessions with a top verified n8n creator? [Join the community](https://www.skool.com/beyond-nodes-automation-lab-2006/about) Complete MCP server exposing all ConvertKit tool operations to AI agents. Zero configuration needed - all 15 operations pre-built. ## Quick Setup 1. **Import** this workflow into your n8n instance. 2. **Activate** the workflow to start your MCP server. 3. **Copy** the webhook URL from the MCP trigger node. 4. **Connect** AI agents using the MCP URL. ## How it Works **MCP Trigger**: Serves as your server endpoint for AI agent requests. **Tool Nodes**: Pre-configured for every ConvertKit tool operation. **AI Expressions**: Automatically populate parameters via `$fromAI()` placeholders. **Native Integration**: Uses official n8n ConvertKit tool with full error handling. ## Available Operations (15 total) Every possible ConvertKit tool operation is included: ### Custom Field (4 operations) **Create a custom field** **Delete a custom field** **Get many custom fields** **Update a custom field** ### Form (3 operations) **Add a subscriber** **Get many forms** **Get all subscriptions** ### Sequence (3 operations) **Add a subscriber** **Get many sequences** **Get all subscriptions to a sequence** ### Tag (2 operations) **Create a tag** **Get many tags** ### Tag Subscriber (3 operations) **Add a tag to a subscriber** **Get many tag subscriptions** **Delete a tag from a subscriber** ## AI Integration **Parameter Handling**: AI agents automatically provide values for: - Resource IDs and identifiers - Search queries and filters - Content and data payloads - Configuration options **Response Format**: Native ConvertKit tool API responses with full data structure. **Error Handling**: Built-in n8n error management and retry logic. ## Usage Examples Connect this MCP server to any AI agent or workflow: **Claude Desktop**: Add MCP server URL to configuration. **Custom AI Apps**: Use MCP URL as tool endpoint. **Other n8n Workflows**: Call MCP tools from any workflow. **API Integration**: Direct HTTP calls to MCP endpoints. ## Benefits **Complete Coverage**: Every ConvertKit tool operation available. **Zero Setup**: No parameter mapping or configuration needed. **AI-Ready**: Built-in `$fromAI()` expressions for all parameters. **Production Ready**: Native n8n error handling and logging. **Extensible**: Easily modify or add custom logic. > **[Free for community use](https://github.com/Cfomodz/community-use)!** Ready to deploy in under 2 minutes.