{"domain":"www.backtestmarket.com","count":1,"changes":[{"captured_at":"2026-11-05T03:27:55.993877","card_hash":"6a334872559248e763a0d42ae9543dfd5bef1781a69d6b6815e4f1dab266140e","previous_card_hash":null,"diff":{"skills_added":[{"id":"buy-backtest-data","name":"Buy backtest or robot data","description":"Start a Stripe Checkout session for a cart of products. Returns a checkout URL a human completes payment on. Requires the checkout:write scope.","tags":["checkout","commerce"],"inputModes":null,"outputModes":null},{"id":"find-historical-data","name":"Find historical market data","description":"Search the catalog for downloadable historical market data (backtests) by instrument, timeframe, or free text. No authentication required.","tags":["catalog","search"],"inputModes":null,"outputModes":null},{"id":"get-checkout-status","name":"Poll checkout status","description":"Poll a previously started checkout session to find out whether payment has completed and downloads are ready. Requires the checkout:write scope.","tags":["checkout","commerce"],"inputModes":null,"outputModes":null},{"id":"get-order","name":"Get one order","description":"Fetch one of the authenticated caller's own orders by its order number. Requires the orders:read scope.","tags":["orders"],"inputModes":null,"outputModes":null},{"id":"get-product","name":"Get one product","description":"Fetch a single product by its URL slug, localized. No authentication required.","tags":["catalog"],"inputModes":null,"outputModes":null},{"id":"get-quote","name":"Price a cart","description":"Price a cart of products including VAT (by billing country / B2B status) and an optional coupon code. No authentication required.","tags":["quote","tax"],"inputModes":null,"outputModes":null},{"id":"list-categories","name":"List categories","description":"List the category tree (backtests / robots and their instruments). No authentication required.","tags":["catalog"],"inputModes":null,"outputModes":null},{"id":"list-downloads","name":"List my downloads","description":"List the authenticated caller's purchased downloadable files, with remaining download count. Requires the downloads:read scope.","tags":["downloads"],"inputModes":null,"outputModes":null},{"id":"list-orders","name":"List my orders","description":"List the authenticated caller's own order history. Requires the orders:read scope.","tags":["orders"],"inputModes":null,"outputModes":null}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"BacktestMarket Agent"},{"field":"description","before":null,"after":"Agent interface for BacktestMarket, a marketplace selling downloadable historical market data (backtests) and automated trading robots. Search the catalog, price a cart with VAT, start a checkout, poll payment status, and list purchased downloads."},{"field":"version","before":null,"after":"v1"},{"field":"url","before":null,"after":"https://www.backtestmarket.com/a2a"},{"field":"preferredTransport","before":null,"after":"JSONRPC"},{"field":"supportedInterfaces","before":null,"after":[{"transport":"JSONRPC","url":"https://www.backtestmarket.com/a2a"}]},{"field":"securitySchemes","before":null,"after":{"oauth2":{"type":"oauth2","flows":{"authorizationCode":{"authorizationUrl":"https://www.backtestmarket.com/oauth/authorize","tokenUrl":"https://www.backtestmarket.com/oauth/token","scopes":{"catalog:read":"catalog:read","cart:write":"cart:write","checkout:write":"checkout:write","orders:read":"orders:read","downloads:read":"downloads:read"}}}}}},{"field":"security","before":null,"after":[{"oauth2":[]}]},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false}},{"field":"provider","before":null,"after":{"organization":"BacktestMarket","url":"https://www.backtestmarket.com"}}],"other_changed":true,"is_empty":false,"human_summary":"added 9 skills · name ∅ → BacktestMarket Agent · description ∅ → Agent interface for BacktestMarket, a ma · version ∅ → v1 · url ∅ → https://www.backtestmarket.com/a2a · preferredTransport ∅ → JSONRPC · supportedInterfaces ∅ → https://www.backtestmarket.com/a2a (JSON · securitySchemes ∅ → oauth2 · security ∅ → oauth2 · capabilities ∅ → none · provider ∅ → BacktestMarket"}}]}