Pay-per-call x402 tools on Base: web extract/render, burn-once secret vault, chart, GeoTIFF
Connect Runs on your machine
claude mcp add x402-mcp-server -e BASE_PRIVATE_KEY=<BASE_PRIVATE_KEY> -- npx -y [email protected]
{
"mcpServers": {
"x402-mcp-server": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BASE_PRIVATE_KEY": "<BASE_PRIVATE_KEY>"
}
}
}
}
{
"mcpServers": {
"x402-mcp-server": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BASE_PRIVATE_KEY": "<BASE_PRIVATE_KEY>"
}
}
}
}
{
"servers": {
"x402-mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BASE_PRIVATE_KEY": "<BASE_PRIVATE_KEY>"
}
}
}
}
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 |
|---|---|
BASE_PRIVATE_KEYRequired, secret | 0x-prefixed EVM private key, wallet funded with Base USDC -- signs EIP-3009 payments locally. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 23 Sep 2026 |
| Last updated | 23 Sep 2026 |
| Registry name | io.github.Jannis-E/x402-mcp-server |
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