Pay-per-call AI agent utilities via x402 on Base (USDC). 7 tools, $0.003/call.
Connect Runs on your machine
claude mcp add utilsforagents-mcp -e EVM_PRIVATE_KEY=<EVM_PRIVATE_KEY> -- npx -y [email protected]{
"mcpServers": {
"utilsforagents-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>"
}
}
}
}{
"mcpServers": {
"utilsforagents-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>"
}
}
}
}{
"servers": {
"utilsforagents-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"EVM_PRIVATE_KEY": "<EVM_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 |
|---|---|
EVM_PRIVATE_KEYRequired, secret | EVM wallet private key (hex, with or without 0x prefix) used to sign x402 micropayments on Base. The wallet must hold a small amount of USDC on Base ($0.003 per tool call). |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 11 Apr 2026 |
| Last updated | 11 Apr 2026 |
| Registry name | com.utilsforagents/utilsforagents-mcp |
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