@benjp009/saas-tf-mcp-server

Get 2 FREE subdomains forever with automatic DNS provisioning for your projects!

MCP (Model Context Protocol) server for saas.tf - the easiest way to get free subdomains for your demos, side projects, and development environments directly through Claude Code and other LLM-powered development tools.

✨ Features

• 2 FREE Subdomains Forever - No credit card required

• Automatic DNS - Google Cloud DNS provisioning (~60 seconds)

• Zero Configuration - Works out of the box with Claude Code

• Secure Authentication - OS keychain storage for credentials

• Smart Suggestions - Get alternatives when names are taken

• Quota Management - Easy upgrade path to paid plans

Related MCP server: InstaDomain

🚀 Quick Start

Installation for Claude Code

npm install -g @benjp009/saas-tf-mcp-server

Then add to your Claude Code MCP settings:

{
  "mcpServers": {
    "saastf": {
      "command": "saastf-mcp"
    }
  }
}

Restart Claude Code, and you're ready to go!

First Subdomain in 60 Seconds

Once installed, just ask Claude:

"I need a subdomain for my demo app"

Claude will:

1. Check if you're authenticated (or help you register/login)

2. Check subdomain availability

3. Create your subdomain with DNS automatically configured

4. Give you your full domain (e.g., myapp.saas.tf)

📖 Available Tools

The MCP server provides 12 tools for complete subdomain management:

Authentication (4 tools)

• saastf_auth_status - Check if you're logged in and see your quota

• saastf_register - Create a new account (2 FREE subdomains included!)

• saastf_login - Login with your credentials

• saastf_logout - Logout and clear stored credentials

Subdomain Management (5 tools)

• saastf_check_availability - Check if a subdomain name is available

• saastf_list_subdomains - View all your subdomains

• saastf_create_subdomain - Create a new subdomain with automatic DNS

• saastf_update_subdomain - Update the IP address for a subdomain

• saastf_delete_subdomain - Delete a subdomain (frees up quota)

Subscription Management (3 tools)

• saastf_get_quota - Check your current usage and remaining quota

• saastf_get_plans - View available subscription plans

• saastf_create_checkout - Get Stripe checkout URL to upgrade

📚 Resources

The server also provides 3 resources:

• saastf://documentation - Complete guide (markdown)

• saastf://user/profile - Your profile and subscription details (JSON)

• saastf://user/subdomains - All your subdomains (JSON)

💡 Example Conversations

Create Your First Subdomain

You: "Create a subdomain myapp pointing to 192.168.1.100"

Claude: Let me check your authentication status...
        ✓ Not authenticated yet. Let me help you register!

        To get started with your 2 FREE subdomains, I'll need:
        - Email address
        - Password (min 8 characters)

        What email would you like to use?

You: "user@example.com and password MyPass123"

Claude: ✓ Account created successfully! Welcome to saas.tf!
        You now have 2 FREE subdomains available.

        Now creating myapp.saas.tf...
        ✓ Successfully created myapp.saas.tf → 192.168.1.100

        DNS will be active in ~60 seconds. You have 1 of 2 subdomains remaining.

Check What Subdomains You Have

You: "List my subdomains"

Claude: Your subdomains (2/2 used):

        • myapp.saas.tf → 192.168.1.100
        • staging.saas.tf → 192.168.1.200

        Remaining: 0 subdomains

        💡 You've used all your free subdomains. Use saastf_get_plans
        to see upgrade options, or delete one to free up space.

Update IP Address

You: "Update myapp to point to 10.0.0.5"

Claude: ✓ Updated myapp.saas.tf → 10.0.0.5
        DNS changes will propagate in ~60 seconds.

Check Available Plans

You: "What plans are available?"

Claude: Available Subscription Plans:

        📦 Free
           Price: $0
           Quota: 2 subdomains

        📦 5 Subdomains Package
           Price: $10/year
           Quota: 7 subdomains
           Features:
             • All free tier features
             • Priority support

        📦 50 Subdomains Package
           Price: $50/year
           Quota: 52 subdomains
           Features:
             • All free tier features
             • Priority support

        Use saastf_create_checkout to upgrade your plan.

🔧 Technical Details

Subdomain Rules

Valid Format:

• 3-63 characters

• Lowercase letters (a-z), numbers (0-9), hyphens (-)

• Must start and end with letter or number

• No consecutive hyphens

Examples:

• ✅ Valid: myapp, demo-project, staging-api, test123

• ❌ Invalid: my (too short), MyApp (uppercase), demo--project (consecutive hyphens)

Reserved Names

150+ subdomains are reserved including:

• System: admin, root, system, support, help

• Technical: api, www, mail, ftp, ssh, cdn

• DNS: ns, ns1-4, dns, mx, mx1-2

DNS Configuration

• Provider: Google Cloud DNS

• Record Type: A records (IPv4 only currently)

• TTL: 300 seconds (5 minutes)

• Propagation: ~60 seconds typically

• Reliability: 99.99% uptime SLA

Security

• JWT Authentication: Secure token-based auth

• OS Keychain Storage: Uses macOS Keychain, Windows Credential Manager, Linux Secret Service

• Encrypted Fallback: Encrypted file storage if keychain unavailable

• HTTPS Only: All API communications encrypted

• No Password Storage: Only secure tokens stored locally

🎯 Common Use Cases

• Development: dev.myapp.saas.tf, staging.myapp.saas.tf

• Demos: demo.myproject.saas.tf

• Side Projects: myblog.saas.tf, myapi.saas.tf

• Testing: test.myapp.saas.tf

• Webhooks: webhooks.myapp.saas.tf

• APIs: api.myservice.saas.tf

📦 Pricing

FREE Plan

• 2 subdomains forever

• Perfect for hobbyists and side projects

• No credit card required

• All core features included

PACKAGE_5 ($10/year)

• 7 total subdomains (2 free + 5 additional)

• Great for multiple projects

• Priority support

PACKAGE_50 ($50/year)

• 52 total subdomains (2 free + 50 additional)

• Perfect for agencies and teams

• Priority support

🛠️ Advanced Configuration

Custom MCP Settings

You can configure the MCP server with environment variables:

{
  "mcpServers": {
    "saastf": {
      "command": "saastf-mcp",
      "env": {
        "SAASTF_API_URL": "https://api.saas.tf/api/v1"
      }
    }
  }
}

Using with Other MCP Clients

The server works with any MCP-compatible client:

# Run the server directly
npx @benjp009/saas-tf-mcp-server

# Or install globally
npm install -g @benjp009/saas-tf-mcp-server
saastf-mcp

🐛 Troubleshooting

Authentication Issues

# Clear stored credentials
# macOS
security delete-generic-password -s "saastf-mcp"

# Or delete the fallback file
rm -rf ~/.saastf-mcp

Keychain Access Denied (macOS)

If you see keychain permission errors:

1. Open Keychain Access app

2. Find "saastf-mcp" in System or Login keychain

3. Right-click → Get Info → Access Control

4. Add Claude Code / your terminal to allowed applications

Connection Issues

• Check your internet connection

• Verify https://api.saas.tf is accessible

• Check for firewall/proxy settings blocking the API

🤝 Contributing

Contributions are welcome! This is a fully open-source project.

1. Fork the repository

2. Create your feature branch (git checkout -b feature/amazing-feature)

3. Commit your changes (git commit -m 'Add amazing feature')

4. Push to the branch (git push origin feature/amazing-feature)

5. Open a Pull Request

📄 License

MIT License - see LICENSE file for details

🔗 Links

• Website: https://saas.tf

• GitHub: https://github.com/saas-tf/mcp-server

• npm: https://www.npmjs.com/package/@benjp009/saas-tf-mcp-server

• Issues: https://github.com/saas-tf/mcp-server/issues

• Support: support@saas.tf

🌟 Show Your Support

Give a ⭐️ if this project helped you!

Made with ❤️ by the saas.tf team

Get your 2 FREE subdomains today at saas.tf!