Free & pay-per-call (x402/USDC) risk & momentum scores for nad.fun tokens on Monad.
Connect Runs on your machine
claude mcp add mcp -e X402_BUYER_PRIVATE_KEY=<X402_BUYER_PRIVATE_KEY> -e PAYFLOWAGENT_API_BASE=<PAYFLOWAGENT_API_BASE> -e X402_BUYER_RPC=<X402_BUYER_RPC> -- npx -y [email protected]{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_BUYER_PRIVATE_KEY": "<X402_BUYER_PRIVATE_KEY>",
"PAYFLOWAGENT_API_BASE": "<PAYFLOWAGENT_API_BASE>",
"X402_BUYER_RPC": "<X402_BUYER_RPC>"
}
}
}
}{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_BUYER_PRIVATE_KEY": "<X402_BUYER_PRIVATE_KEY>",
"PAYFLOWAGENT_API_BASE": "<PAYFLOWAGENT_API_BASE>",
"X402_BUYER_RPC": "<X402_BUYER_RPC>"
}
}
}
}{
"servers": {
"mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_BUYER_PRIVATE_KEY": "<X402_BUYER_PRIVATE_KEY>",
"PAYFLOWAGENT_API_BASE": "<PAYFLOWAGENT_API_BASE>",
"X402_BUYER_RPC": "<X402_BUYER_RPC>"
}
}
}
}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
| Name | Description |
|---|---|
X402_BUYER_PRIVATE_KEYOptional, secret | Private key of a dedicated payer wallet (Base, USDC) used to auto-pay x402 calls. Without it, only the free tool works. |
PAYFLOWAGENT_API_BASEOptional | Base URL of the PayFlowAgent service (default https://payflowagent.net). |
X402_BUYER_RPCOptional | Optional payment RPC endpoint (Base mainnet by default). |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 27 Jun 2026 |
| Last updated | 27 Jun 2026 |
| Registry name | net.payflowagent/mcp |
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