https://x402.agentindex.world/ https://x402.agentindex.world/discover/sample https://x402.agentindex.world/search/sample https://x402.agentindex.world/wallet-balance/sample https://x402.agentindex.world/gas-price/sample https://x402.agentindex.world/wallet-intelligence/sample https://x402.agentindex.world/x402-echo/sample https://x402.agentindex.world/agent-health/sample https://x402.agentindex.world/agent.json https://x402.agentindex.world/capabilities https://x402.agentindex.world/openapi.json https://x402.agentindex.world/llms.txt https://x402.agentindex.world/skills/agentindex-x402/SKILL.md https://x402.agentindex.world/server.json https://x402.agentindex.world/.well-known/x402 https://x402.agentindex.world/.well-known/x402.json https://x402.agentindex.world/.well-known/ai-catalog.json https://x402.agentindex.world/.well-known/ard.json https://x402.agentindex.world/.well-known/agent.json https://x402.agentindex.world/.well-known/mcp.json https://x402.agentindex.world/.well-known/glama.json