MCP Server Guide

MCP (Model Context Protocol) is the standard protocol for connecting external tools and data sources to Claude Code. It is activated through the mcpServers setting in .claude/settings.json.

Reasoning

Sequential Thinking

Break down complex problems with step-by-step reasoning — essential for algorithm design and architecture decisions

Version Control

GitHub MCP

Call GitHub API directly from Claude Code — PR management, issue tracking, code search

File System

Filesystem MCP

Safe access to the local file system — read, write, and analyze project files

Web Scraping

Fetch MCP

Fetch URL content + HTML to Markdown conversion — automate research and data collection

Database

Supabase MCP

Directly manage Supabase DB — automate database operations in full-stack projects

Basic MCP Installation

// .claude/settings.json
{
  "mcpServers": {
    "server-name": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-name"],
      "env": { "API_KEY": "${YOUR_API_KEY}" }
    }
  }
}

To discover more MCP servers, see the Ecosystem Explorer Hub.

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Field	Value
Source URL	https://modelcontextprotocol.io/
License	Varies by server (MIT for many)
Translation Date	2026-04-12
Author	Claude-Code-Study Project

Each MCP server's copyright belongs to its original author. Always check each repository's license before installing.