Overview
- The DEV Community tutorial walks through a client that discovers MCP tools at runtime and routes Claude tool_use requests through the MCP client API.
- It demonstrates a local setup over stdio for spawning a server process and shows how to switch to the Streamable HTTP client for remote or cloud servers.
- The agent uses a simple loop that executes tools, returns tool_result blocks, and continues until Claude ends the turn, providing a template for multi‑step tasks.
- The piece includes a minimal calculator server, links to popular ecosystem servers like filesystem, GitHub, and Postgres, and recommends the MCP Inspector for testing schemas before wiring up an agent.
- The guide notes active ecosystem use with the TypeScript SDK (v1.29.0 confirmed) and highlights MCP’s goal of decoupling agents from tools so servers can change without rewriting agent code.