Spraay X402 MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 39 installs a week from npm. Last commit 2 Jul 2026.
MCP server for Spraay x402 Gateway. 60 tools for crypto payments, DeFi, and AI on Base.
Today is the operative word: we check Spraay 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 spraay-x402-mcp -e 'X402_WALLET_PRIVATE_KEY=<X402_WALLET_PRIVATE_KEY>' -- npx -y spraay-x402-mcp
{
"mcpServers": {
"spraay-x402-mcp": {
"command": "npx",
"args": [
"-y",
"spraay-x402-mcp"
],
"env": {
"X402_WALLET_PRIVATE_KEY": "<X402_WALLET_PRIVATE_KEY>"
}
}
}
}
[mcp_servers.spraay-x402-mcp]
command = "npx"
args = ["-y", "spraay-x402-mcp"]
env = { X402_WALLET_PRIVATE_KEY = "<X402_WALLET_PRIVATE_KEY>" }
{
"mcpServers": {
"spraay-x402-mcp": {
"command": "npx",
"args": [
"-y",
"spraay-x402-mcp"
],
"env": {
"X402_WALLET_PRIVATE_KEY": "<X402_WALLET_PRIVATE_KEY>"
}
}
}
}
{
"servers": {
"spraay-x402-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"spraay-x402-mcp"
],
"env": {
"X402_WALLET_PRIVATE_KEY": "<X402_WALLET_PRIVATE_KEY>"
}
}
}
}
Put your own value in place of
<X402_WALLET_PRIVATE_KEY> (Private key for the wallet that pays for x402 requests (USDC on Base)).
The author’s registry entry marks it as required.
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Answers built from our own checks of this server.