MCP X402 runs on your own machine — the client starts it, so there is no endpoint to ping. 62 installs a week from npm. Last commit 27 Sep 2026.
DEPRECATED: no live endpoint (api.x402.org does not resolve)
Nothing serious here today
Today is the operative word: we check MCP X402 every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
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 mcp-x402 -e 'X402_API_KEY=<X402_API_KEY>' -- npx -y @codespar/mcp-x402{
"mcpServers": {
"mcp-x402": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<X402_API_KEY>"
}
}
}
}[mcp_servers.mcp-x402]
command = "npx"
args = ["-y", "@codespar/mcp-x402"]
env = { X402_API_KEY = "<X402_API_KEY>" }{
"mcpServers": {
"mcp-x402": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<X402_API_KEY>"
}
}
}
}{
"servers": {
"mcp-x402": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<X402_API_KEY>"
}
}
}
}Put your own value in place of
<X402_API_KEY> (API key for x402).
The author’s registry entry marks it as required.
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MCP X402 — questions
Answers built from our own checks of this server.