x402 Merchant Check
Pre-payment merchant trust checks for x402 agents on Base and Solana.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.gradientdecisions.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.gradientdecisions.com/mcp{
"mcpServers": {
"merchant-check": {
"url": "https://mcp.gradientdecisions.com/mcp"
}
}
}claude mcp add --transport http merchant-check https://mcp.gradientdecisions.com/mcp{
"servers": {
"merchant-check": {
"type": "http",
"url": "https://mcp.gradientdecisions.com/mcp"
}
}
}1 tools, verified live
check_merchantBefore paying an unfamiliar merchant via x402, including one just discovered through a marketplace like Coinbase's x402 Bazaar, call this for a machine-readable assessment of their observable on-chain payment behavior, on Base or Solana. Returns a `recommendation` (PROCEED / CAUTION / INSUFFICIENT_SIGNAL) a payment policy can branch on directly, plus supporting evidence: trust tier, confidence, pa
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