{"domain":"oper-stack.com","count":1,"changes":[{"captured_at":"2026-10-10T01:28:54.471014","card_hash":"9b4790665f51266a1acd0d85d002d7ff19e031011393574103b50f6038b98e89","previous_card_hash":null,"diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"OperStack"},{"field":"description","before":null,"after":"OperStack checks what ChatGPT, Claude, Perplexity and Gemini see on a website, free and without signup. OperStack Watch, $35 a month with 7 days free, asks ChatGPT and Perplexity a buyer's questions every week, shows who they name instead of you, and writes the fix. A one-off audit is $149. Setup work for inbound leads (routing, CRM wiring, reporting) is a separate service on request."},{"field":"protocolVersion","before":null,"after":"1.0"},{"field":"url","before":null,"after":"https://oper-stack.com/"},{"field":"provider","before":null,"after":{"organization":"OperStack","url":"https://oper-stack.com/","email":"info@oper-stack.com","telegram":"https://t.me/operstack","contactPage":"https://oper-stack.com/contact/"}}],"other_changed":true,"is_empty":false,"human_summary":"name ∅ → OperStack · description ∅ → OperStack checks what ChatGPT, Claude, P · protocolVersion ∅ → 1.0 · url ∅ → https://oper-stack.com/ · provider ∅ → OperStack"}}]}