Toll402 MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 203 installs a week from npm. Last commit 10 Sep 2026.
x402 pay-per-call tools for agents: web, PDF, provenance, 4M-business directory, paid listings.
Today is the operative word: we check Toll402 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 toll402-mcp -- npx -y toll402-mcp
{
"mcpServers": {
"toll402-mcp": {
"args": [
"-y",
"toll402-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.toll402-mcp]
command = "npx"
args = ["-y", "toll402-mcp"]
{
"mcpServers": {
"toll402-mcp": {
"args": [
"-y",
"toll402-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"toll402-mcp": {
"args": [
"-y",
"toll402-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
TOLL402_WALLET_KEY (0x private key of a wallet holding USDC on Base (pays per call). Omit to use the free trial.), TOLL402_URL (Gateway URL), TOLL402_MAX_USD (Max USD per single call), TOLL402_REF (Referrer wallet (0x) that earns a share of your calls).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.