Add wallettriage skill — real-time wallet risk check, x402 pay-per-query

[ederaildo]

What this skill does

WalletTriage is a real-time wallet risk engine for AI agents: one x402-paid
GET ($0.01 USDC on Base) answers "how risky is this address right now?" —
the wallet's active ERC20 approvals cross-referenced with a live exploit
threat feed, returning a risk_score (0-100), risk_level and worst-first
actionable findings (what to revoke, USD at risk).

Built for the agent use case: an agent checks a counterparty address (or
its own wallet) BEFORE acting. Stateless — no signup, no API key, nothing
stored server-side.

Why it fits the catalog

Same access model as other skills here (zerion, checkr, quicknode):
plain HTTP behind x402, USDC on Base, pay-per-call. It complements Bankr's
built-in Agent Safety: Bankr guards the transaction being signed; this
triages the address itself against live exploit exposure before the action
is composed.

Live & testable

• Paid endpoint: GET https://api.wallettriage.com/scan?address=0x...&chain=eth
• Free status: GET https://api.wallettriage.com/health
• OpenAPI: https://api.wallettriage.com/openapi.yaml
• Also on npm (wallettriage-mcp) and the official MCP Registry
  (io.github.wallettriage/wallettriage-mcp)

In production since 2026-07-08 with end-to-end paid queries settling via
the CDP facilitator.