Rug check tokens on Base, Ethereum, Arbitrum, Optimism, Polygon, Solana: 0-100 risk score + reasons
Connect Runs on your machine
claude mcp add token-safety-check -e X402_PRIVATE_KEY=<X402_PRIVATE_KEY> -e TOKEN_SAFETY_MAX_USD=<TOKEN_SAFETY_MAX_USD> -- npx -y [email protected]{
"mcpServers": {
"token-safety-check": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
"TOKEN_SAFETY_MAX_USD": "<TOKEN_SAFETY_MAX_USD>"
}
}
}
}{
"mcpServers": {
"token-safety-check": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
"TOKEN_SAFETY_MAX_USD": "<TOKEN_SAFETY_MAX_USD>"
}
}
}
}{
"servers": {
"token-safety-check": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
"TOKEN_SAFETY_MAX_USD": "<TOKEN_SAFETY_MAX_USD>"
}
}
}
}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_KEYRequired, secret | Private key of a dedicated wallet holding a little USDC on Base; pays $0.01 per check |
TOKEN_SAFETY_MAX_USDOptional | Refuse checks priced above this many USD (default 0.05) |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 26 Oct 2026 |
| Last updated | 26 Oct 2026 |
| Registry name | io.github.lx1112/token-safety-check |
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