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Stride20k x402 Data Gateway

io.github.Marysbrain/x402-gateway-mcp ยท v0.2.0

x402 analytics feed + 20+ pay-per-call agent tools over x402 (data, LLM, risk), no accounts.

Website Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add x402-gateway-mcp -e WALLET_PRIVATE_KEY=<WALLET_PRIVATE_KEY> -e MAX_PER_CALL_USD=<MAX_PER_CALL_USD> -e MAX_SESSION_USD=<MAX_SESSION_USD> -e GATEWAY_URL=<GATEWAY_URL> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "x402-gateway-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>",
        "MAX_PER_CALL_USD": "<MAX_PER_CALL_USD>",
        "MAX_SESSION_USD": "<MAX_SESSION_USD>",
        "GATEWAY_URL": "<GATEWAY_URL>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "x402-gateway-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>",
        "MAX_PER_CALL_USD": "<MAX_PER_CALL_USD>",
        "MAX_SESSION_USD": "<MAX_SESSION_USD>",
        "GATEWAY_URL": "<GATEWAY_URL>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "x402-gateway-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>",
        "MAX_PER_CALL_USD": "<MAX_PER_CALL_USD>",
        "MAX_SESSION_USD": "<MAX_SESSION_USD>",
        "GATEWAY_URL": "<GATEWAY_URL>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
WALLET_PRIVATE_KEY
Optional, secret		Buyer wallet key (fund with a few USDC on Base). Optional: free previews work without it.
MAX_PER_CALL_USD
Optional		Refuse any single call above this price. Default 0.25; set 1.25 to enable the $1 domain dossier.
MAX_SESSION_USD
Optional		Total spend cap per session. Default 2.00.
GATEWAY_URL
Optional		Gateway base URL override. Default https://gateway.stride20k.com.

Details

Package[email protected] (NPM, stdio)
First published8 Jul 2026
Last updated8 Jul 2026
Registry nameio.github.Marysbrain/x402-gateway-mcp

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