INDIVIDUAL MCP TOOL

x402.probe

Probe a URL for HTTP 402 PAYMENT-REQUIRED terms using the x402 client SDK.

x402-mcp.onrender.comnone authenticationAvailability not checked

LIVE ENDPOINT

https://x402-mcp.onrender.com/mcp/mcp

No auth detected

Connect to this endpoint to inspect the live schema for x402.probe and invoke it with your own arguments.

{}

Potential side effects detected · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.x402-micropayments]
url = "https://x402-mcp.onrender.com/mcp/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "x402-micropayments": {
      "type": "http",
      "url": "https://x402-mcp.onrender.com/mcp/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: x402-micropayments
Remote MCP URL: https://x402-mcp.onrender.com/mcp/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "x402-micropayments": {
      "url": "https://x402-mcp.onrender.com/mcp/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "x402-micropayments": {
      "type": "http",
      "url": "https://x402-mcp.onrender.com/mcp/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "x402-micropayments",
  "transport": "streamable-http",
  "url": "https://x402-mcp.onrender.com/mcp/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

x402.discover — Discover paid HTTP APIs in the x402 Bazaar via the facilitator catalog.
x402.pay_and_fetch — Pay USDC via x402 and fetch a protected HTTP resource in one call.
x402.build_seller — Build seller-side x402 payment requirements for your own HTTP resource.
x402.verify — Verify an x402 PAYMENT-SIGNATURE against PAYMENT-REQUIRED terms via the facilitator.
x402.networks — List supported settlement networks, facilitators, and x402 v2 header names.
commerce.pro_requirements — Build x402 payment requirements to purchase the Pro quota tier.
commerce.activate_pro — Verify a Pro-tier x402 payment and unlock Pro quota limits for the agent.
commerce.credits_requirements — Build x402 payment requirements to buy a pack of per-use MCP tool credits.