How to add an MCP server to Claude Code
Add an MCP server to Claude Code with claude mcp add: the remote and local commands, the three scopes, and what claude mcp list prints when one fails.
Claude Code articles
What is a token in AI, and how do models count them?
A token is the unit an AI model reads and writes. See how tokens differ from words, what counts as input and output, and how to count them before you send.
What is MCP (Model Context Protocol)?
MCP (Model Context Protocol) is an open standard that connects AI apps to tools and data. What an MCP server is, who uses it and how its messages travel.