How to Use an MCP Server (Without Overthinking It)
# How to Use an MCP Server (Without Overthinking It) If you've used Claude Desktop, Cursor, or another AI app and connected it to Slack, GitHub, or a database, you've already used MCP — the Model Context Protocol. Here's the short version of what it is and how to actually use one. ## What MCP Is, in One Sentence MCP is an open standard that lets an AI application (the **host**) talk to external tools and data (via a **server**) through a common language, instead of every app needing a custom integration for every tool. Three pieces work together: - **Host** — the app you're using (Claude Desktop, Cursor, etc.) - **Client** — the connector inside the host that speaks MCP - **Server** — a lightweight service that exposes specific capabilities: tools to run, resources to read, prompts to reuse ## Using an MCP Server: The Basic Flow 1. **Find a server.** MCP registries and directories list thousands of servers — for GitHub, Postgres, filesystems, Slack, and more. 2. **Conn...