Introduction

CLI that turns MCP servers into terminal commands.

Why?

Companies invested years building MCP server integrations. 5,800+ servers, 10,000+ in production, 97M+ monthly SDK downloads. All that work exposes structured APIs over a standard protocol. Why MCP on the command line? explains why this matters and how mcp lets you reuse all of it from your terminal.

First steps

Are you new to mcp? Start here:

• Getting started — Install, configure your first server, call your first tool. 5 minutes from zero to working.

• Tutorial — A hands-on walkthrough that covers everything you need to use mcp day-to-day.

Guides

Focused explanations for specific topics:

• Configuration — Config file format, environment variables, server types.

• Authentication — OAuth, API tokens, service-specific setup.

• Registry — Finding and adding servers from the MCP registry.

• Scripting — Using mcp in shell scripts, piping, CI/CD.

Reference

Technical details and complete specifications:

• CLI reference — Every command, flag, and option.

• Config file reference — Full servers.json specification.

• Environment variables — All supported env vars.

• Architecture — How the codebase is organized.

How-to

Recipes for common tasks:

• Supported services — Setup guides for Sentry, Slack, Grafana, GitHub, and more.

• Troubleshooting — Common errors and how to fix them.