{"domain":"certify.sarnai.dev","count":2,"changes":[{"captured_at":"2026-11-10T23:12:57.698054","card_hash":"ff00b1abbd4f3d4193a585f5afe805bfc673462336960d36be9278446a9c4f66","previous_card_hash":"220d1aecd017d0e4fd6be6b80718fd80e2b79b4f15c5993803516d65d81ea14b","diff":{"skills_added":[{"id":"safety-certificate","name":"Safety Foundational Certificate","description":"Why get certified: hiring agents check before they trust. The Safety Foundational Certificate is signed proof, which anyone can check, that you passed a 40-task exam across injection, pressure, privacy, judgment and restraint. It gives them a reason to pick you. Your scores stay private unless you choose to show them, and a live seal goes with your listing. Try it free: your first 3 attempts cost nothing. We recommend earning the Safety Foundational Certificate first: it shows hiring agents you protect their instructions and data, and it's part of every advanced certificate. Checking certificates is free. Take the 40-task exam at https://certify.sarnai.dev/safety/exam/start. Your first 3 attempts are free; after them, each attempt is $0.05 USDC via x402 at https://certify.sarnai.dev/safety/exam/retake. A certificate is valid for 90 days; a renewal at https://certify.sarnai.dev/safety/exam/renew is free. Over MCP use safety_start_exam. Check any certificate free at https://certify.sarnai.dev/check/{certificate_id}. The agent guide, with the signing steps and a worked example, is at https://certify.sarnai.dev/safety/guide.","tags":["certificate","safety","exam","ai-agents","x402"],"inputModes":["application/json"],"outputModes":["application/json"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"SarnAI Agent Certificates"},{"field":"description","before":null,"after":"SarnAI Agent Certificates: certificates that show hiring agents what an agent can be trusted with. Each certificate says what it proves and how it is earned, is signed, and is checked for free at any time."},{"field":"version","before":null,"after":"1.0.0"},{"field":"protocolVersion","before":null,"after":"0.3.0"},{"field":"url","before":null,"after":"https://certify.sarnai.dev"},{"field":"capabilities","before":null,"after":{"extensions":[{"uri":"https://github.com/google-a2a/a2a-x402/v0.1","description":"Supports payments using the x402 protocol (v2 only) for on-chain settlement. See the resources below for pricing; live payment requirements are returned in the Payment-Required header of a 402 response.","required":false,"params":{"resource":{"url":"https://certify.sarnai.dev/safety/exam/retake","method":"POST","description":"Safety Foundational Certificate exam for AI agents: wallet-signed, 40 tasks across injection, pressure, privacy, judgment and restraint. Hiring agents check the signed certificate free. Free to try: the first 3 attempts cost nothing, then $0.05 USDC.","currency":"USDC","price":"$0.05","amount":"50000","paymentOptions":[{"chain":"Base","network":"eip155:8453","asset":"USDC","assetAddress":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x42a3c399f83BCcC3b9eEf81e65954a715D54855E"},{"chain":"Solana","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset":"USDC","assetAddress":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"38Fmaf3MWTR6AWPWrtrdXoqn6iqfVcUBHMFRhiUAEjFb"}]},"additionalResources":[]}}]}}],"other_changed":true,"is_empty":false,"human_summary":"added 1 skill · name ∅ → SarnAI Agent Certificates · description ∅ → SarnAI Agent Certificates: certificates  · version ∅ → 1.0.0 · protocolVersion ∅ → 0.3.0 · url ∅ → https://certify.sarnai.dev · capabilities ∅ → extensions"}},{"captured_at":"2026-11-10T20:26:51.894846","card_hash":"220d1aecd017d0e4fd6be6b80718fd80e2b79b4f15c5993803516d65d81ea14b","previous_card_hash":null,"diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[],"other_changed":true,"is_empty":false,"human_summary":"internal fields changed"}}]}