Crypto market intelligence MCP — pay-per-tool-call in USDC on Base via the x402 protocol.
Connect Runs on your machine
claude mcp add kerdos-x402-mcp -e EVM_PRIVATE_KEY=<EVM_PRIVATE_KEY> -e KERDOS_X402_BASE_URL=<KERDOS_X402_BASE_URL> -- npx -y [email protected]{
"mcpServers": {
"kerdos-x402-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>",
"KERDOS_X402_BASE_URL": "<KERDOS_X402_BASE_URL>"
}
}
}
}{
"mcpServers": {
"kerdos-x402-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>",
"KERDOS_X402_BASE_URL": "<KERDOS_X402_BASE_URL>"
}
}
}
}{
"servers": {
"kerdos-x402-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>",
"KERDOS_X402_BASE_URL": "<KERDOS_X402_BASE_URL>"
}
}
}
}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 | User-supplied EVM private key on Base mainnet. Used solely to sign USDC `transferWithAuthorization` payment payloads via x402. Each tool call costs $0.01-$0.06 USDC. |
KERDOS_X402_BASE_URLOptional | Optional override of the Kerdos x402 endpoint base URL. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 27 Apr 2026 |
| Last updated | 27 Apr 2026 |
| Registry name | io.github.Singlishman/kerdos-x402-mcp |
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