Derrick App

What is Derrick App?

Derrick App is an MCP server that provides B2B data enrichment tools for any MCP-compatible AI client. It enables users to find emails, enrich LinkedIn profiles, search companies, and more through dynamically loaded tools from the Derrick API.

How to use Derrick App?

Install and configure the server using npx derrick-mcp in your MCP client’s configuration (Claude Desktop, Claude Code, Cursor, or any stdio‑based MCP client). On first use, tell the AI “Configure Derrick with my API key: YOUR_KEY” or set the DERRICK_API_KEY environment variable. The key is saved to ~/.derrick-mcp/.env and persists across sessions.

Key features of Derrick App

• Dynamically loads tools from the Derrick API at startup
• Two built‑in tools: derrick_configure and derrick_account
• Works with any stdio‑based MCP client
• API key persistence across sessions
• Supports environment variable for API key configuration

Use cases of Derrick App

• Find business email addresses for lead generation
• Enrich LinkedIn profiles with additional data
• Search and research companies for sales prospecting
• Check account credits and usage via the derrick_account tool

FAQ from Derrick App

What are the prerequisites to use Derrick App?

You need a Derrick account on the Standard plan ($20/mo) or above, an API key, and Node.js 22+.

How do I install and configure the Derrick App MCP server?

Run npx derrick-mcp in your MCP client’s config file. Detailed JSON examples are provided for Claude Desktop, Claude Code, and Cursor.

How do I set my API key?

Either use the derrick_configure tool by telling the AI “Configure Derrick with my API key: YOUR_KEY”, or set the DERRICK_API_KEY environment variable in the server configuration.

What tools are available besides the built‑in ones?

All other tools are loaded dynamically from the Derrick API. Ask the AI “What can Derrick do?” to see the full list.

Where is my API key stored after configuration?

The key is saved to ~/.derrick-mcp/.env and persists across sessions.