Claude MCP Server

Connect Manus → Claude (Anthropic API) via MCP

This server exposes Claude as 3 MCP tools that Manus can call:

• ask_claude — General prompt → response
• claude_analyze — Structured analysis (summarize, critique, extract, etc.)
• claude_write — Content generation (email, report, social post, etc.)

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Quick Start (Local)

# 1. Install dependencies
npm install

# 2. Set your API key
cp .env.example .env
# Edit .env and add your ANTHROPIC_API_KEY

# 3. Run in dev mode
npm run dev

# Server runs at http://localhost:3000
# MCP endpoint: http://localhost:3000/mcp

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Deploy to Railway (FREE — Recommended)

Railway gives you a free hosted URL — perfect for Manus to connect to.

Steps:

1. Push to GitHub

git init
git add .
git commit -m "initial commit"
gh repo create claude-mcp-server --public --push
# or use github.com to create repo manually

2. Deploy on Railway

• Go to railway.app
• Click New Project → Deploy from GitHub Repo
• Select your repo
• Click Variables → Add:
  • ANTHROPIC_API_KEY = your key from console.anthropic.com
  • PORT = 3000
• Railway auto-builds and gives you a URL like: https://claude-mcp-server-production.up.railway.app

3. Your MCP endpoint will be:

https://claude-mcp-server-production.up.railway.app/mcp

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Deploy to Render (FREE tier available)

1. Go to render.com
2. Click New → Web Service
3. Connect your GitHub repo
4. Set:
   • Build Command: npm install && npm run build
   • Start Command: npm start
   • Environment Variables: ANTHROPIC_API_KEY=your-key
5. Deploy — you get a URL like https://claude-mcp-server.onrender.com

⚠️ Render free tier spins down after 15 mins of inactivity (cold start ~30s). Railway free tier stays live — better for Manus.

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Deploy to Fly.io (FREE hobby tier)

# Install flyctl
curl -L https://fly.io/install.sh | sh

# Login
fly auth login

# Launch
fly launch

# Set secret
fly secrets set ANTHROPIC_API_KEY=sk-ant-your-key-here

# Deploy
fly deploy

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Connect to Manus

1. In Manus go to Settings → Integrations → Custom MCP Servers
2. Click Add Server
3. Paste your URL:

   https://your-app.up.railway.app/mcp
   

4. Save — Manus will now show 3 Claude tools available

Example Manus prompts once connected:

• "Use ask_claude to write a professional bio for me"
• "Use claude_analyze to summarize this document [paste text]"
• "Use claude_write to draft a LinkedIn post about X in a casual tone"

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Tools Reference

ask_claude

Parameter	Type	Required	Description
prompt	string	✅	The question or task for Claude
system	string	❌	Optional system prompt / persona
max_tokens	number	❌	Max response length (default: 1024)

claude_analyze

Parameter	Type	Required	Description
content	string	✅	Text to analyze
focus	enum	✅	summarize / critique / compare / extract_key_points / classify
instructions	string	❌	Extra instructions

claude_write

Parameter	Type	Required	Description
task	string	✅	What to write
format	enum	✅	email / report / social_post / bullet_list / paragraph / code
tone	enum	❌	professional / casual / persuasive / empathetic / technical
context	string	❌	Background context

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Health Check

curl https://your-app.up.railway.app/health
# → {"status":"ok","server":"claude-mcp-server"}

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Cost

• Hosting: Free on Railway (500 hrs/month free) or Render
• API: Anthropic charges per token used — Claude Sonnet is ~$3/million input tokens
  • A typical ask_claude call costs < $0.01