Move skills to .agent directory

.agents/skills/agent-ready-cloudflare/x402/SKILL.md

@@ -0,0 +1,28 @@
+---
+name: agent-ready-x402
+description: >
+  Sub-skill de agent-ready-cloudflare: Implement x402 Payment Protocol
+---
+# Implement x402 Payment Protocol
+
+Support agent-native HTTP payments via the
+[x402 protocol](https://x402.org)
+([docs](https://docs.x402.org), [GitHub](https://github.com/coinbase/x402)).
+
+## Requirements
+
+- Add x402 payment middleware to your API routes
+- Use `@x402/express`, `@x402/hono`, or `@x402/next` middleware
+- Configure a facilitator URL and wallet address
+- Protected routes return HTTP 402 with payment requirements that agents fulfill automatically
+
+## Validate
+
+```
+POST https://isitagentready.com/api/scan
+Content-Type: application/json
+
+{"url": "https://YOUR-SITE.com"}
+```
+
+Check that `checks.commerce.x402.status` is `"pass"`.