Full-capacity Trello REST API v1 capability pack against https://api.trello.com only. Reads members, boards, Workspaces, lists, cards, actions/comments, labels, checklists/check items, attachments, custom fields, search results, and webhooks; action lists page automatically and assigned visible cards sync as a read-only task Source. Approval-gated writes create/update/archive boards and lists, create/update/archive cards, move and assign cards, add/update/delete comments, manage labels and checklists, add URL attachments, update custom-field values, and manage webhooks. Card create/update use Trello's documented JSON-body alternative; other writes retain their documented query placement. The pack excludes enterprise and membership administration, board permission/invitation/voting governance, Power-Up/plugin management, token expansion, batch or arbitrary passthrough, file-upload bodies, voting, and stickers.