Give an agent a wallet. Pays for x402 resources within hard limits. Base + USDC, gasless.
npx @getmcp/cli add io.github.devmster/x402-trinityRequires Node.js 18+. Community-contributed server. Review source before installing.
X402_PRIVATE_KEYPrivate key of the wallet that pays. Use a dedicated wallet holding only what you would accept losing. The server refuses to start without it.
X402_MAX_PER_REQUESTHard 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_BUDGETLifetime ceiling across all payments, in atomic units. Required for the same reason as the per-request cap.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.devmster/x402-trinity": {
"command": "npx",
"args": [
"-y",
"x402-trinity"
],
"env": {
"X402_PRIVATE_KEY": "",
"X402_MAX_PER_REQUEST": "",
"X402_TOTAL_BUDGET": "",
"X402_BUDGET_FILE": "",
"X402_ALLOW_HOSTS": "",
"X402_NETWORKS": ""
}
}
}
}Computer use for Claude Code, Codex, Cursor or any MCP client: your computer + Android phone (beta)
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