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Assess an x402 counterparty's risk BEFORE paying: allow/review/block, scored on-chain (Base).
npx @getmcp/cli add io.github.kaditang/402sentinel-mcpRequires Node.js 18+. Community-contributed server. Review source before installing.
CLIENT_PRIVATE_KEYA Base wallet (with USDC in its Circle Gateway balance) — pays per call, from $0.002.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.kaditang/402sentinel-mcp": {
"command": "npx",
"args": [
"-y",
"@kaditang/402sentinel-mcp"
],
"env": {
"CLIENT_PRIVATE_KEY": "",
"SENTINEL_URL": ""
}
}
}
}