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The Major web app at app.major.build is where you chat with the Platform Agent, open and edit what you’ve built, and manage your organization. Everything you can do from MCP or the CLI is also available here. Items you don’t have permission for are hidden. See Members & roles.

Libraries

The Apps, Agents, Skills, and Workflows pages each list every item you can access, with pinned items first. On Apps, the default sort is Recently opened by you: the apps you most recently opened or edited come first, and apps you’ve never opened come last. Use the sort menu to switch to another order, such as Created at (newest first), Most used (last 7 days), or Name (A to Z).

Chat

Chat is the main way to work in Major. Describe what you want and the Platform Agent plans the work, asks for approval where needed, and builds it. See Platform Agent.
  • Pinned and recent conversations appear in the sidebar on the Build page. Pin a conversation to keep it at the top; See all opens the full list.
  • Chat with an agent by opening it from Agents, or by picking it when you start a chat. The chat runs with that agent’s prompt, connectors, skills, and tool permissions.
  • Attachments and @ mentions work in every chat. See Editor.
Open the command palette from the search button at the top of the sidebar to jump to any app, agent, workflow, or conversation. Search a workflow by name to open it, or search Workflows to open the Workflows page.

Settings

Open your account menu at the bottom of the sidebar to reach two areas: The same menu switches between organizations if you belong to more than one. You can also create a new organization from it, unless your company’s email domain already has an organization on Major. In that case, ask that organization’s owner or an admin to invite you. See Joining your company’s organization.