Boo X402 MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 30 installs a week from npm. Last commit 12 Jul 2026.
Pay-per-call crypto data for AI agents. USDC on Base via x402. No API key.
Today is the operative word: we check Boo X402 MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add boo-x402-mcp -- npx -y boo-x402-mcp
{
"mcpServers": {
"boo-x402-mcp": {
"args": [
"-y",
"boo-x402-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.boo-x402-mcp]
command = "npx"
args = ["-y", "boo-x402-mcp"]
{
"mcpServers": {
"boo-x402-mcp": {
"args": [
"-y",
"boo-x402-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"boo-x402-mcp": {
"args": [
"-y",
"boo-x402-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
WALLET_PRIVATE_KEY (Private key of a wallet holding USDC on Base. Stays on your machine.), MAX_USD_PER_CALL (Max USD per single call (default 0.05).), MAX_USD_TOTAL (Max USD per session (default 5).).
The author declared them in the registry entry; get the values from the project itself.
Pay-per-call crypto data for AI agents. USDC.e on Tempo via MPP. No API key.
Pay-per-call crypto market intelligence for AI agents. USDC on Base via x402.
22 pay-per-call AI + crypto + data microservices via x402. USDC on Base.
Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit. x402 USDC on Base.
19 pay-per-call data tools for AI agents: crypto/DeFi, web, PDF, FX, weather, DNS. x402 on Base.
45 pay-per-call AI agent tools: scraping, SEO, crypto data, lint, agent memory. x402 USDC on Base.
Pay-per-call USDA nutrition for AI agents (x402 micropayments in USDC on Base).
Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.
Answers built from our own checks of this server.