JMT x402: 35 pay-per-call Base/USDC tools for agents, auto-paid via x402 v2. No API key.
Connect Runs on your machine
claude mcp add x402-mcp-server -e JMT_X402_PRIVATE_KEY=<JMT_X402_PRIVATE_KEY> -- npx -y @jmthomasofficial/[email protected]
{
"mcpServers": {
"x402-mcp-server": {
"command": "npx",
"args": [
"-y",
"@jmthomasofficial/[email protected]"
],
"env": {
"JMT_X402_PRIVATE_KEY": "<JMT_X402_PRIVATE_KEY>"
}
}
}
}
{
"mcpServers": {
"x402-mcp-server": {
"command": "npx",
"args": [
"-y",
"@jmthomasofficial/[email protected]"
],
"env": {
"JMT_X402_PRIVATE_KEY": "<JMT_X402_PRIVATE_KEY>"
}
}
}
}
{
"servers": {
"x402-mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@jmthomasofficial/[email protected]"
],
"env": {
"JMT_X402_PRIVATE_KEY": "<JMT_X402_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 |
|---|---|
JMT_X402_PRIVATE_KEYOptional | Base-mainnet wallet private key (funded with USDC). Used only to sign x402 payment authorizations. Never logged. |
Details
| Package | @jmthomasofficial/[email protected] (NPM, stdio) |
| First published | 12 Jul 2026 |
| Last updated | 12 Jul 2026 |
| Registry name | io.github.jmthomasofficial/x402-mcp-server |
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