tambo-ai

Tambo is an open source toolkit for adding a conversational agent to a React application that answers with the application's own interface rather than with plain text. Components are registered once, and when a user asks a question the agent renders the matching component with the right props, keeping the existing styling and logic intact. A seat map, for example, appears in response to a question about availability instead of a paragraph describing one. The package wraps an application in a provider and handles the parts a team would otherwise build itself: streaming, component state, message threads, cancellation and error states, tool calling and support for the Model Context Protocol. The agent inherits the signed in user's permissions, so generated interface elements respect the access rules already in place, and several models can be used behind it. Alongside the core library there is a user interface component library and a set of example applications. The audience is product engineers who want AI features inside an existing React product without adopting a heavy framework or rebuilding components for a chat window. The pricing position has changed because the hosted service is closing. Tambo Cloud is scheduled to shut down on October 31, 2026, new signups are closed and the free and paid cloud plans are no longer available. What remains is the open source route, which the vendor states is free to run yourself permanently: the React package, the component library and the cloud repository are all published on GitHub for teams that want to operate the backend themselves. Anyone evaluating Tambo now should plan around running it in house rather than buying a managed tier.