What You're Building
This is a member-only chapter. Log in with your Signal Over Noise membership email to continue.
Log in to readModule 4 · Section 2 of 9
What You’re Building
An MCP server is a small programme that:
- Connects to a data source or service
- Exposes a set of tools with defined inputs and outputs
- Executes those tools when Claude calls them
- Returns structured results
The programme runs as a separate process. Claude Code spawns it, talks to it over stdio, and tears it down when the session ends. Your server doesn’t need to manage its own lifecycle — Claude Code handles that.