MCP Server
MCP
dev.true402/mcp-server
Pay-per-call AI + web + on-chain tools over x402 (USDC on Base): LLM, SEO, extract, token safety.
Install
npx -y @true402.dev/[email protected]
Configuration Example
{
"remotes": [],
"packages": [
{
"registryType": "npm",
"identifier": "@true402.dev/mcp-server",
"version": "1.0.4",
"transport": {
"type": "stdio"
},
"environmentVariables": [
{
"description": "Funded Base wallet private key for x402 payment signing (optional; without it, paid tools return the 402 requirements).",
"format": "string",
"isSecret": true,
"name": "WALLET_PRIVATE_KEY"
},
{
"description": "true402 API base (default https://true402.dev/api). Must be https (or localhost) — the signer refuses to send a payment over cleartext.",
"format": "string",
"name": "SERVER_URL"
},
{
"description": "Client-side per-call spend ceiling in USDC (default 0.10). The signer refuses to auto-pay a 402 whose amount exceeds this — protects the wallet from a hostile endpoint.",
"format": "string",
"name": "MAX_PAYMENT_USDC"
}
]
}
]
}
mcp
model-context-protocol
npm
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