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Yieldagentx402

io.github.Fabio662/yieldagentx402 ยท v1.0.4

Policy-gated x402 MCP for agent workflows with TEE receipts, 18 tools, and no custody.

Connect Runs on your machine

Terminal
claude mcp add yieldagentx402 -e YAX_API_KEY=<YAX_API_KEY> -e YAX_AGENT_ID=<YAX_AGENT_ID> -e YAX_MCP_ENDPOINT=<YAX_MCP_ENDPOINT> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "yieldagentx402": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "YAX_API_KEY": "<YAX_API_KEY>",
        "YAX_AGENT_ID": "<YAX_AGENT_ID>",
        "YAX_MCP_ENDPOINT": "<YAX_MCP_ENDPOINT>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "yieldagentx402": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "YAX_API_KEY": "<YAX_API_KEY>",
        "YAX_AGENT_ID": "<YAX_AGENT_ID>",
        "YAX_MCP_ENDPOINT": "<YAX_MCP_ENDPOINT>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "yieldagentx402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "YAX_API_KEY": "<YAX_API_KEY>",
        "YAX_AGENT_ID": "<YAX_AGENT_ID>",
        "YAX_MCP_ENDPOINT": "<YAX_MCP_ENDPOINT>"
      }
    }
  }
}

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
YAX_API_KEY
Required, secret
YieldAgentX402 API key from https://yieldagentx402.app/apply
YAX_AGENT_ID
Required
Your agent ID from the dashboard.
YAX_MCP_ENDPOINT
Optional
Optional full MCP endpoint override (default: https://api.yieldagentx402.app/mcp).

Details

Package[email protected] (NPM, stdio)
First published19 May 2026
Last updated19 May 2026
Registry nameio.github.Fabio662/yieldagentx402

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