One workspace for projects, tasks, email, documents, and the links between them. Point your own AI — Anthropic, any OpenAI-compatible model, or your Claude over MCP — at your inbox and it drafts the plans. Nothing happens until you approve.
Structure your organization by entities, projects, and tasks — with views, email, and documents built in.
Organize multiple legal entities per organization, with their projects and tasks nested underneath.
See work as a Kanban board, Gantt timeline, list, or calendar — whatever fits the moment.
Multiple mailboxes and folders, with a combined view across all your accounts.
Folders and subfolders with a built-in Markdown editor.
Turns emails into ready-to-run action plans with your own AI provider — you approve each one before it runs.
Connect any item to any other item for complete, end-to-end traceability.
The assistant reads your emails and proposes a plan: create projects, tasks, documents, draft replies, and the links between them. You review and run it with one click.
Cortex is built so the answer is one you're comfortable with.
The paid plan includes the whole platform — projects, board, timeline, calendar, email, documents, universal links, and the AI assistant running on your own provider key or over MCP. We never charge for AI tokens. Free covers project participants. 30-day trial, no card required.
Participate in projects you are invited to.
Everything, per seat. For teams that live in their inbox.
Larger org or volume licensing? Talk to sales about Enterprise — 100, 1,000, or unlimited seats, dedicated instance available.
Set up your first entity and project in minutes. 30-day free trial, no credit card required.