{"domain":"postbye.com","count":1,"changes":[{"captured_at":"2026-11-14T01:15:32.102345","card_hash":"c2f78bea4df18c81a5647525309677f55b1384eef7bbdb2d08e08b5dd279a392","previous_card_hash":null,"diff":{"skills_added":[{"id":"company-lookup","name":"Company cancellation lookup","description":"Send message/send with a company name or slug as text (up to 500 characters). The reply is one message: a text summary of how the company takes cancellations, whether the facts were checked by hand and whether Postbye can mail a cancellation letter to it, plus a data part with the same public record. With no match it lists up to five close guides. Letter text and mailing addresses are in the MCP endpoint.","tags":["subscriptions","cancellation","lookup","read-only"],"inputModes":["text/plain"],"outputModes":["text/plain","application/json"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"Postbye"},{"field":"description","before":null,"after":"Postbye cancels subscriptions for you by mail."},{"field":"version","before":null,"after":"1.0.0"},{"field":"protocolVersion","before":null,"after":"0.3.0"},{"field":"url","before":null,"after":"https://postbye.com/a2a"},{"field":"documentationUrl","before":null,"after":"https://postbye.com/mcp-server"},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":null}},{"field":"provider","before":null,"after":{"organization":"Postbye","url":"https://postbye.com/"}}],"other_changed":true,"is_empty":false,"human_summary":"added 1 skill · name ∅ → Postbye · description ∅ → Postbye cancels subscriptions for you by · version ∅ → 1.0.0 · protocolVersion ∅ → 0.3.0 · url ∅ → https://postbye.com/a2a · documentationUrl ∅ → https://postbye.com/mcp-server · capabilities ∅ → extensions, pushNotifications, stateTran · provider ∅ → Postbye"}}]}