# ONE PERCENT agent service Node: vercel (vercel) Canonical execution: https://one-percent-agent-tip.middletontanne137269.chatgpt.site Catalog: ./agent-tools.json OpenAPI: ./openapi.json Examples: ./examples.md Selection guidance: Use Agent Discoverability Audit to diagnose whether a public service can be found and understood by agents. Use x402 Payment Preflight before authorizing an unfamiliar payment challenge. Use the free Budget Guard to enforce a local spending policy before any purchase. - Agent Discoverability Audit: https://one-percent-agent-tip.middletontanne137269.chatgpt.site/api/tools/site-audit?source=vercel - Use this before publishing an agent service or when crawlers and marketplaces are failing to discover it. - x402 Payment Preflight: https://one-percent-agent-tip.middletontanne137269.chatgpt.site/api/tools/payment-preflight?source=vercel - Use this before an agent authorizes an unfamiliar x402 payment challenge; it never pays the target service. - Budget Guard: https://one-percent-agent-tip.middletontanne137269.chatgpt.site/api/tools/budget-guard?source=vercel - Use this free local-policy check before any paid agent request, including the two paid tools in this catalog. Paid operations use x402 exact payments in USDC on Base Mainnet. Budget Guard is free. Never submit private keys, seed phrases, cookies, or unrelated authorization headers.