Paid agent tools, zero API keys: crypto, weather, translation, web intel, x402 discovery (USDC/Base)
Connect Runs on your machine
claude mcp add navi-x402-mcp -e X402_PRIVATE_KEY=<X402_PRIVATE_KEY> -e MAX_PRICE_USDC=<MAX_PRICE_USDC> -- npx -y [email protected]{
"mcpServers": {
"navi-x402-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
"MAX_PRICE_USDC": "<MAX_PRICE_USDC>"
}
}
}
}{
"mcpServers": {
"navi-x402-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
"MAX_PRICE_USDC": "<MAX_PRICE_USDC>"
}
}
}
}{
"servers": {
"navi-x402-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
"MAX_PRICE_USDC": "<MAX_PRICE_USDC>"
}
}
}
}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_PRIVATE_KEYRequired, secret | Private key of the paying wallet (USDC on Base mainnet). Signs x402 payment authorizations locally. |
MAX_PRICE_USDCOptional | Per-call price ceiling in USDC (default 0.05). |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 10 Jun 2026 |
| Last updated | 10 Jun 2026 |
| Registry name | io.github.mobileappbyharis/navi-x402-mcp |
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