Claude MCP Setup Guide: How to Use Claude Tool with Model Context Protocol (MCP)

Learn Claude MCP Setup with this complete guide. Understand what Model Context Protocol (MCP) is, how Claude connects to GitHub, databases, files, APIs, and how to install and configure MCP servers.

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What is MCP in Claude?

MCP = Model Context Protocol

It helps Anthropic’s Claude connect with:

GitHub
Slack
Databases
Local files
Browsers
APIs
DevOps tools
External applications

Think of MCP like:

“USB-C for AI tools”

Claude can directly use connected tools instead of only chatting.

How Claude + MCP Works:

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Architecture:

Claude (Host)
     ↓
MCP Client
     ↓
MCP Server
     ↓
External Tool/API

Example:

Claude → GitHub MCP → Create PR
Claude → Browser MCP → Open website
Claude → Filesystem MCP → Read files
Claude → PostgreSQL MCP → Query database

Requirements :

Before setup install:

Tool	Purpose
Claude Desktop OR Claude Code	Main AI tool
Node.js	Run MCP servers
Python (optional)	Python-based MCP servers
Internet connection	Tool access

Step 1 — Install Claude Desktop

Open browser
Visit Claude AI Official Website
Sign up/login
login with email id

Step 2: Login to Claude

Run:

claude

It will open browser authentication.

Step 3: Install MCP Server

Example 1 — Filesystem MCP

This lets Claude access local files.

Install:

claude mcp add filesystem -- npx -y @modelcontextprotocol/server-filesystem ~/Desktop

Now Claude can:

Read files
Create files
Modify files

Example 2 — GitHub MCP

claude mcp add github \
  --env GITHUB_TOKEN=your_token \
  -- npx -y @modelcontextprotocol/server-github

Claude can now:

Create PRs
Read repos
Check issues
Commit code

Step 4: Verify MCP Servers

List MCP servers:

claude mcp list

Get details:

claude mcp get filesystem

Remove server:

claude mcp remove filesystem

Step 5: Start Using Claude with MCP

Run:

claude

Now ask prompts like:

Check GitHub PR status

Read file etc…

all other commands….

MCP Architecture

Claude Code
     │
     ▼
MCP Client
     │
     ▼
MCP Server
     │
     ▼
External Tool/API

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Mahesh Wabale

Admin at DevOpsLover.com

Mahesh Wabale is the admin & author of this blog, Technology enthusiast with interest in DevOps, CICD, Spring Boot, Microservices Architecture He has more than 7 years of experience in IT industry, programming language and development stuff. He loves to share his experience with his blog.