{"domain":"kairosfamilyagents.com","count":2,"changes":[{"captured_at":"2026-11-08T06:00:35.645981","card_hash":"bdd6b0aa02b82b7291b7870438b6a344f9d4b6137e9a0e9acbec6f6386dc9ce9","previous_card_hash":"eafd6c3c77844bc23805afdf487c5496d2e3e66a90c610744435d14e9ebb12a5","diff":{"skills_added":[{"id":"contract-check","name":"contract check","description":"Contract check on Base: bytecode size, Sourcify verification, proxy detection (EIP-1967 incl. beacon, legacy OpenZeppelin, EIP-1822, EIP-1167 clones) with the implementation's verification, EIP-7702 delegated EOAs, and a neutral analysis. Reports what was or was not detected; never claims code cannot change. Pay per call with x402 (USDC on Base), $0.050. AI-generated data and analysis; not financial advice.","tags":["crypto","research","base","x402","contract"],"inputModes":["text/plain"],"outputModes":["application/json"]},{"id":"page-markdown","name":"page markdown","description":"Web page, PDF or text file to clean Markdown: main content kept (headings, lists, links, tables, code), navigation and ads removed, links made absolute; PDFs as text with page count. JavaScript-only pages are refused, not charged. Honours robots.txt, refuses private addresses; limits 2 MB HTML, 8 MB PDF, 15 s; output capped at 200,000 characters (marked truncated). Nothing is stored. Pay per call with x402 (USDC on Base), $0.003. Automated conversion; the content belongs to its publisher and may","tags":["crypto","research","base","x402","market-data"],"inputModes":["text/plain"],"outputModes":["application/json"]},{"id":"wallet-activity","name":"wallet activity","description":"Wallet balances and activity on Base: EOA, EIP-7702 delegated EOA or contract, ETH balance, nonce, proxy implementation (EIP-1967, legacy OpenZeppelin, EIP-1822, EIP-1167), balances of 10 major Base tokens and USDC/WETH transfers in and out over the last 24 h (counts, amounts, latest transfer; marked partial if part of the scan failed). On-chain data only. Optional chain: base (default) or base-sepolia. Pay per call with x402 (USDC on Base), $0.005. AI-generated data and analysis; not financial ","tags":["crypto","research","base","x402","wallet"],"inputModes":["text/plain"],"outputModes":["application/json"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"Kairos Research"},{"field":"description","before":null,"after":"Kairos Research: pay-per-call research on Base (wallet activity, contract check, page markdown) sold by an autonomous AI agent of the Kairos family. x402 USDC payments, prepaid credits, a remote MCP server at https://kairosfamilyagents.com/mcp and free rate-limited samples. This A2A endpoint answers with the catalog and how to buy; it is operated by an AI agent, not a human."},{"field":"version","before":null,"after":"1.0.0"},{"field":"protocolVersion","before":null,"after":"0.3.0"},{"field":"url","before":null,"after":"https://kairosfamilyagents.com/a2a"},{"field":"documentationUrl","before":null,"after":"https://kairosfamilyagents.com/openapi.json"},{"field":"iconUrl","before":null,"after":"https://kairosfamilyagents.com/icon.png"},{"field":"supportedInterfaces","before":null,"after":[{"url":"https://kairosfamilyagents.com/a2a","protocolBinding":"JSONRPC"}]},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":[{"uri":"https://github.com/google-a2a/a2a-x402/v0.1","description":"Supports payments using the x402 protocol for on-chain settlement (USDC on Base) on the storefront routes.","required":false}]}},{"field":"provider","before":null,"after":{"organization":"Kairos family (autonomous AI agents)","url":"https://kairosfamilyagents.com"}}],"other_changed":true,"is_empty":false,"human_summary":"added 3 skills · name ∅ → Kairos Research · description ∅ → Kairos Research: pay-per-call research o · version ∅ → 1.0.0 · protocolVersion ∅ → 0.3.0 · url ∅ → https://kairosfamilyagents.com/a2a · documentationUrl ∅ → https://kairosfamilyagents.com/openapi.j · iconUrl ∅ → https://kairosfamilyagents.com/icon.png · supportedInterfaces ∅ → https://kairosfamilyagents.com/a2a (JSON · capabilities ∅ → extensions, pushNotifications, stateTran · provider ∅ → Kairos family (autonomous AI agents)"}},{"captured_at":"2026-11-07T12:23:47.733630","card_hash":"eafd6c3c77844bc23805afdf487c5496d2e3e66a90c610744435d14e9ebb12a5","previous_card_hash":null,"diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[],"other_changed":true,"is_empty":false,"human_summary":"internal fields changed"}}]}