Anthropic’s Claude can now current the interfaces of different functions inside its chat window, because of an extension of the Mannequin Context Protocol (MCP).
Claude has lengthy been capable of fetch knowledge from third-party functions by an MCP server connection. That functionality has been expanded to current person interface components like charts, types, and dashboards, permitting third-party apps to be operated from throughout the chat window.
“Claude already connects to your instruments and takes actions in your behalf,” the corporate stated in a weblog put up. “Now these instruments present up proper within the dialog, so you possibly can see what’s taking place and collaborate in actual time.”
The change makes Claude’s chat surroundings extra like a cross-application interface layer – customers now not have to change utility focus to entry app-specific instruments. It may pose a problem to working system makers like Apple, Google, and Microsoft, just like the one offered by net browsers – it reduces the necessity to work together with the working system.
And it isn’t simply Claude that stands to profit. The extension, known as MCP Apps, must be out there in different distributors’ AI functions, together with Goose, Visible Studio Code, and ChatGPT, both at this time or quickly.
The MCP Apps Extension (SEP-1865) was first proposed again in November 2025 and is predicated on MCP-UI and the OpenAI Apps SDK. It permits MCP servers to ship interactive person interface components that hosts can render in-conversation, somewhat than returning knowledge alone.
“MCP Apps tackle an actual hole between what agentic instruments can present and the way customers naturally need to work together with them,” stated Clare Liguori, senior principal engineer at AWS, in remarks accompanying the MCP weblog put up. “The flexibility to render dynamic interfaces straight in dialog makes it simpler to leverage MCP server capabilities in sensible methods.”
Initially, this capability to be proxied inside Claude is restricted to Anthropic’s launch companions: Amplitude, Asana, Field, Canva, Clay, Figma, Hex, monday.com, Slack, and (quickly) Salesforce. However anticipate that to develop over time as different software program makers adapt their apps.
Picture of Figma in Claude by way of MCP Apps extension – Click on to enlarge
MCP Apps floor third-party interface components in iframes, however with further capabilities like logging occasions for debugging, opening hyperlinks within the person’s browser, sending follow-up messages, and updating the underlying mannequin’s context.
“Working UI from MCP servers means operating code you did not write inside your MCP host,” the MCP put up explains, citing numerous safety layers like iframe sandboxing, pre-declared templates for prevailing HTML content material previous to rendering, auditable messages, and host-managed approvals for UI-initiated instrument calls.
Whether or not these defenses show ample to keep away from creating novel dangers can be examined in time. ®
