Discover x402 endpoints and check their trust score before your agent pays them.
Connect Runs on your machine
claude mcp add x402-trust-mcp -e X402_PRIVATE_KEY=<X402_PRIVATE_KEY> -e X402_MAX_USD=<X402_MAX_USD> -e X402_MAX_TOTAL_USD=<X402_MAX_TOTAL_USD> -e X402_MAX_CALLS=<X402_MAX_CALLS> -e X402_TRUST_API_BASE=<X402_TRUST_API_BASE> -e X402_TIMEOUT_MS=<X402_TIMEOUT_MS> -- npx -y [email protected]{
"mcpServers": {
"x402-trust-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
"X402_MAX_USD": "<X402_MAX_USD>",
"X402_MAX_TOTAL_USD": "<X402_MAX_TOTAL_USD>",
"X402_MAX_CALLS": "<X402_MAX_CALLS>",
"X402_TRUST_API_BASE": "<X402_TRUST_API_BASE>",
"X402_TIMEOUT_MS": "<X402_TIMEOUT_MS>"
}
}
}
}{
"mcpServers": {
"x402-trust-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
"X402_MAX_USD": "<X402_MAX_USD>",
"X402_MAX_TOTAL_USD": "<X402_MAX_TOTAL_USD>",
"X402_MAX_CALLS": "<X402_MAX_CALLS>",
"X402_TRUST_API_BASE": "<X402_TRUST_API_BASE>",
"X402_TIMEOUT_MS": "<X402_TIMEOUT_MS>"
}
}
}
}{
"servers": {
"x402-trust-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
"X402_MAX_USD": "<X402_MAX_USD>",
"X402_MAX_TOTAL_USD": "<X402_MAX_TOTAL_USD>",
"X402_MAX_CALLS": "<X402_MAX_CALLS>",
"X402_TRUST_API_BASE": "<X402_TRUST_API_BASE>",
"X402_TIMEOUT_MS": "<X402_TIMEOUT_MS>"
}
}
}
}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 |
|---|---|
X402_PRIVATE_KEYOptional, secret | Optional Base wallet private key (with or without the 0x prefix). When set, the paid tools auto-pay over x402 up to X402_MAX_USD; otherwise they return a price quote. The free tools need no key. |
X402_MAX_USDOptional | Per-call auto-pay ceiling in USD. 0 disables auto-pay. |
X402_MAX_TOTAL_USDOptional | Cumulative auto-pay cap per process in USD. 0 = unlimited. |
X402_MAX_CALLSOptional | Max paid calls per process. 0 = unlimited. |
X402_TRUST_API_BASEOptional | API base URL. |
X402_TIMEOUT_MSOptional | Request timeout in milliseconds. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 15 Oct 2026 |
| Last updated | 15 Oct 2026 |
| Registry name | io.github.JonasFuchss/x402-trust-mcp |
More ai and media servers See all
Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.