x402 Merchant Check MCP server

x402 Merchant Check is a remote MCP server that gives an AI agent 1 tool, among them check_merchant. It answers at https://mcp.gradientdecisions.com/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 10 of 10 times since 5 September 2026; the last check, on 18 October 2026, succeeded.

Checks merchant trust tier and price fairness before an x402 purchase, using on-chain history.

Description as the publisher wrote it.

The 1 tool x402 Merchant Check offers

Add x402 Merchant Check to your AI client

Every block below points at https://mcp.gradientdecisions.com/mcp. Pick your client and copy.

claude mcp add --transport http x402-merchant-check https://mcp.gradientdecisions.com/mcp

{
  "mcpServers": {
    "x402-merchant-check": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://mcp.gradientdecisions.com/mcp"]
    }
  }
}

{
  "mcpServers": {
    "x402-merchant-check": {
      "url": "https://mcp.gradientdecisions.com/mcp"
    }
  }
}

{
  "servers": {
    "x402-merchant-check": {
      "type": "http",
      "url": "https://mcp.gradientdecisions.com/mcp"
    }
  }
}

{
  "context_servers": {
    "x402-merchant-check": {
      "url": "https://mcp.gradientdecisions.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "x402-merchant-check": {
      "serverUrl": "https://mcp.gradientdecisions.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "x402-merchant-check": {
      "url": "https://mcp.gradientdecisions.com/mcp"
    }
  }
}

name: x402 Merchant Check
version: 0.0.1
schema: v1
mcpServers:
  - name: x402 Merchant Check
    type: streamable-http
    url: https://mcp.gradientdecisions.com/mcp

{
  "mcpServers": {
    "x402-merchant-check": {
      "httpUrl": "https://mcp.gradientdecisions.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "x402-merchant-check": {
      "type": "http",
      "url": "https://mcp.gradientdecisions.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "x402-merchant-check": {
      "url": "https://mcp.gradientdecisions.com/mcp"
    }
  }
}

goose://extension?url=https%3A%2F%2Fmcp.gradientdecisions.com%2Fmcp&type=streamable_http&id=x402-merchant-check&name=x402%20Merchant%20Check

Is x402 Merchant Check up right now?

It answered our last check on 18 October 2026 in 386 ms. Over 10 checks since 5 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.

MCP servers similar to x402 Merchant Check

Questions about x402 Merchant Check

Is there an official x402 Merchant Check MCP server?

Yes. It is published by gradientdecisions.com and served from mcp.gradientdecisions.com, the vendor's own domain: https://mcp.gradientdecisions.com/mcp.

How many tools does x402 Merchant Check have?

1, as returned by the server's own tools/list on 31 August 2026: check_merchant.

Is x402 Merchant Check down?

It answered our last check on 18 October 2026 in 386 ms. Over 10 checks since 5 September 2026 it answered 10.

How do I add x402 Merchant Check to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://mcp.gradientdecisions.com/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does x402 Merchant Check need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: com.gradientdecisions. Endpoint host: mcp.gradientdecisions.com. ARD identifier: urn:air:com.gradientdecisions:mcp:merchant-check. First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.