How do I install x402 Trinity?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is x402 Trinity official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 37 (Limited). The formula is published on the methodology page.

MCPpedia

x402 Trinity MCP Server | MCPpedia

x402 Trinity MCP Server

Name: x402 Trinity MCP Server
Author: devmster

Give an agent a wallet. Pays for x402 resources within hard limits. Base + USDC, gasless.

Tools Versions Alternatives

Registrydevmster

37Limited

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "devmster-x402-trinity": {
      "command": "npx",
      "args": [
        "-y",
        "x402-trinity@0.2.4"
      ],
      "env": {
        "X402_PRIVATE_KEY": "YOUR_X402_PRIVATE_KEY",
        "X402_MAX_PER_REQUEST": "",
        "X402_TOTAL_BUDGET": "",
        "X402_BUDGET_FILE": "",
        "X402_ALLOW_HOSTS": "",
        "X402_NETWORKS": ""
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
X402_PRIVATE_KEY	Yes	Private key of the wallet that pays. Use a dedicated wallet holding only what you would accept losing. The server refuses to start without it. Secret.
X402_MAX_PER_REQUEST	Yes	Hard ceiling for a single payment, in atomic units (USDC has 6 decimals, so 50000 is $0.05). Required: a model decides when payments happen, so the cap cannot come from the model.
X402_TOTAL_BUDGET	Yes	Lifetime ceiling across all payments, in atomic units. Required for the same reason as the per-request cap.
X402_BUDGET_FILE	No	Path to a file that makes the lifetime budget survive restarts. Without it the total resets every time the server starts.
X402_ALLOW_HOSTS	No	Comma-separated hosts that may be paid. Anything else is refused however convincing the challenge looks.
X402_NETWORKS	No	Networks to accept. Defaults to base.

x402 Trinity MCP Server

Install

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