| Acceptance criteria |
The task’s checklist. Each line is an item; the card shows progress. |
| Blocked by |
A hard dependency. Cycles are rejected. |
| Category |
Task type — bug, doc, user-story, idea by default, editable per project. |
| Column role |
The semantic tag on a column: backlog, approved, active, review, blocked, done. Automation reads this, not the label. |
| Custom field |
A project-defined field on tasks. Can show on cards, in the list, and in filters. |
| Gate |
A check a worker runs before a change can ship: diff size, protected paths, test presence, build, tests, review. |
| Instance |
One deployment, with its own users, projects and settings. |
| MCP |
Model Context Protocol — how agents talk to the board. Twelve tools over HTTP. |
| PM agent |
The in-app project manager. Chat, and optionally scheduled reviews. |
| Project key |
The short uppercase code (ORB) that task keys are built from. |
| Scoped token |
An API token limited to specific projects, behaving as a member inside them. |
| Sprint |
A named window of time with a goal. planned, active or completed. |
| Task key |
ORB-14. Used in branches, pull requests, search and MCP. |
| Watcher |
Someone subscribed to a task’s notifications. |
| Worker |
A process that claims approved tasks and runs a coding agent against a real checkout. |