Welcome to Use Brian
A shared brain for your team. It remembers your customers, deals, and docs, runs scheduled work, and works across web, Telegram, and Slack.
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The brain
Assistants
What an assistant is, how memory is scoped per-assistant, and when to make a second one.
Memory & knowledge
How Use Brian remembers you over time, and how the knowledge base differs from memory.
Brain (entities & episodes)
The structured layer above memory: entities, edges, episodes, and how ingestion turns raw signals into a knowledge graph.
Tasks
The brain's universal verb. Workspace-scoped, schema-frozen primitive for every commitment the assistant tracks.
CRM
Contacts, companies, deals. First-party so the brain reads relationships the same way it reads memories.
Workspaces & sharing
Share assistants with a workspace, or follow other people's public assistants.
Day to day
Channels
Reach your assistant from Telegram or Slack with bring-your-own credentials.
Tools & tasks
Connect Google Calendar, Gmail, Notion, and more. Schedule recurring jobs.
Workflows
DAGs that fuse the brain with action. Assistant calls, tool calls, waits, branches. Manual, scheduled, webhook, or event triggers.
Doc
A Notion-style page surface where chat assembles renderable views over your brain. Drafts auto-prune; saved pages live forever.
Build on it
Public API
Embed an assistant in your own app or website. Server-to-server, with API keys.
MCP server
Plug Claude, ChatGPT, or any MCP client into your workspace brain. Agents read and write the same memory, tasks, and CRM your assistants use.
Open source
Run the core on your own machine: one model key, an embedded database, AGPLv3. Three commands and you're chatting locally.