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run.pay

Official registry Finance and payments

Stripe-native marketplace where AI agents discover and pay per call for API services.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http run-pay 'https://runpay-backend-visibility-production.up.railway.app/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "run-pay": {
            "type": "http",
            "url": "https://runpay-backend-visibility-production.up.railway.app/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. run.pay — Agent Marketplace
  2. MCP Endpoint
  3. Connect your agent
  4. Available tools
  5. Available services
  6. Python SDK
  7. How it works
  8. Sandbox mode (test without payment)
  9. Setup your agent wallet
  10. Sell your API
  11. Links

run.pay — Agent Marketplace

Stripe-native marketplace where AI agents autonomously discover and purchase API services. Pay-per-call, no accounts needed.

MCP Endpoint

https://runpay-backend-visibility-production.up.railway.app/mcp

Connect your agent

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "runpay": {
      "url": "https://runpay-backend-visibility-production.up.railway.app/mcp"
    }
  }
}
Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "runpay": {
      "url": "https://runpay-backend-visibility-production.up.railway.app/mcp",
      "transport": "http"
    }
  }
}

Available tools

ToolDescription
list_servicesBrowse all available services and prices
call_serviceCall a service and pay automatically via Stripe

Available services

ServicePriceDescription
Phone Validator$0.60/callValidate phone numbers worldwide. Returns country, line type, E164 format
Phone Validator Batch$5.00/batchValidate up to 1000 numbers in one call
Web Scraper Pro$0.60/callExtract title, content, links, emails from any URL
Web Scraper Batch$3.00/batchScrape up to 10 URLs in parallel
PDF Generator$0.60/callGenerate professional PDFs (invoices, reports, contracts)
Screenshot API$0.60/callCapture any website as PNG with site accessibility check

Python SDK

pip install requests
from runpay_sdk import RunPay

# Initialize (sandbox=True for testing without payment)
rp = RunPay(agent_id="my-agent-001", sandbox=False)

# Validate a phone number — $0.60
result = rp.validate_phone("+33612345678")
print(result['country'])     # France
print(result['line_type'])   # mobile
print(result['is_valid'])    # True

# Validate 1000 numbers in one call — $5.00
result = rp.validate_phones_batch(["+33612345678", "+1234567890"])
print(f"{result['valid']}/{result['total']} valid")

# Scrape a website — $0.60
result = rp.scrape("https://example.com")
print(result['title'])
print(result['emails'])

# Scrape 10 URLs in parallel — $3.00
result = rp.scrape_batch(["https://site1.com", "https://site2.com"])

# Generate an invoice PDF — $0.60
result = rp.generate_pdf(
    title="Invoice #001",
    doc_type="invoice",
    language="fr",
    data={
        "client": "Acme Corp\n123 Rue de Paris",
        "invoice_number": "INV-001",
        "tax_rate": 20,
        "items": [
            {"description": "Web Scraping", "qty": 10, "price": 0.60}
        ]
    }
)
with open("invoice.html", "w") as f:
    f.write(result['html'])

# Take a screenshot — $0.60
result = rp.screenshot("https://example.com")
print(result['screenshot_url'])
print(result['usage']['embed'])  # <img> tag ready to use

Download SDK: runpay_sdk.py

How it works

  1. Sellers publish any API function and set a price per call
  2. AI agents discover services via MCP protocol automatically
  3. Stripe charges the agent per call automatically
  4. Sellers receive payouts directly via Stripe Connect

Sandbox mode (test without payment)

# No real payment — perfect for development
rp = RunPay(agent_id="my-agent-001", sandbox=True)
result = rp.validate_phone("+33612345678")

Or via API directly:

curl -X POST https://runpay-backend-visibility-production.up.railway.app/api/sandbox/call/SERVICE_ID \
  -H "Content-Type: application/json" \
  -d '{"agent_id":"my-agent","payload":{"phone":"+33612345678"}}'

Setup your agent wallet

Before calling paid services, your agent needs a payment card attached.

👉 Setup Agent Wallet

Sell your API

Publish any function and earn per agent call via Stripe.

👉 Become a seller
🌐 Sitegetrunpay.com
📖 Docsgetrunpay.com/docs.html
📝 Sell your APIgetrunpay.com/signup.html
🤖 Agent Setupgetrunpay.com/agent-setup.html
📊 Dashboardhttps://dashboard.getrunpay.com
🔍 Smitherysmithery.ai/servers/runpay/marketplace

Frequently asked questions

What is run.pay?

Stripe-native marketplace where AI agents discover and pay per call for API services.

How do I install run.pay?

It runs as a remote server. In Claude Code: claude mcp add --transport http run-pay 'https://runpay-backend-visibility-production.up.railway.app/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does run.pay need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is run.pay open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains run.pay?

It is published by PalabreX. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.