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Google Stitch Adds Voice Canvas and MCP Integration in Major Update, Sending Figma Stock Down 12 Percent

Google's AI design tool gains voice commands, multi-screen generation, and developer tool integrations, triggering a two-day selloff in Figma shares.

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Overview

Google on March 19 released a major update to Stitch, its AI-powered interface design tool from Google Labs, introducing voice interaction, an infinite canvas, multi-screen generation, and integrations with external developer tools through the Model Context Protocol. The update sent shares of publicly traded design software maker Figma down 12 percent over two days, according to CNBC, intensifying concerns that free AI design tools could erode the business models of established design platforms.

Google describes the approach as “vibe design” — a workflow in which developers and designers describe business objectives in natural language rather than manually constructing wireframes, according to the Google Blog.

What We Know

The March 19 update transforms Stitch from a single-screen prompt-to-UI generator into a more comprehensive design environment. According to SiliconAngle, the key additions include:

  • Infinite canvas: A redesigned workspace that displays multiple visual assets simultaneously, allowing projects to evolve from early sketches to working prototypes without switching tools.
  • Multi-screen generation: The ability to generate up to five interconnected screens at once, up from one in the previous version.
  • Voice commands: Developers can issue spoken instructions for design modifications, with the AI responding in real time.
  • Interactive preview: A “Play” button that simulates user navigation through generated screens, with an AI agent automatically generating logical next screens based on user clicks.
  • MCP tool support: Integration with external agents through the Model Context Protocol, enabling connections to coding assistants.
  • DESIGN.md export: A new format for saving interface design details in natural-language markdown files, designed to maintain consistency across design tools and projects.

Josh Woodward, VP of Google Labs, said users can now “‘Stitch’ screens together in seconds and simply click ‘Play’,” according to SiliconAngle.

The tool is built on Google’s Gemini large language models and generates HTML and CSS code with support for the Tailwind development framework, SiliconAngle reported. Stitch originally launched at Google I/O in May 2025 and remains free through Google Labs.

Market Impact

Figma shares fell 8 percent on Wednesday, March 19, followed by a decline of more than 4 percent on Thursday, according to CNBC. The stock is now down roughly 35 percent year-to-date, tumbling alongside a broader slide in the software industry that has been driven by concerns about artificial intelligence displacing paid software tools.

Google is not charging for Stitch, nor does it make promises about the long-term availability of the service, CNBC noted. The lack of a price tag has amplified investor anxiety about competitive threats to Figma’s subscription-based business model, which charges between $15 and $45 per month.

What We Don’t Know

Several questions remain unanswered. Google has not disclosed adoption numbers for Stitch or provided a timeline for when it might exit the Labs experimental phase and become a fully supported product. It is also unclear whether Google intends to eventually charge for the tool or continue offering it for free.

The quality and reliability of AI-generated designs at production scale remains unproven. Early assessments from developers suggest the tool handles roughly 80 percent of initial design work effectively but still requires human refinement for polished results.

Whether the MCP integrations will extend beyond initial coding assistants to support the broader ecosystem of design and development tools is also an open question.

Analysis

The Stitch update represents a broader pattern in which large platform companies are using AI to commoditize adjacent software categories. By offering a free AI design tool that generates production-ready code, Google is effectively positioning initial UI design as a commodity — shifting competitive value from the creation phase to the refinement and system-management phase where tools like Figma have traditionally dominated.

The timing is notable. Figma went public in 2025 after its failed $20 billion acquisition by Adobe, and is now navigating public-market pressures while simultaneously defending against AI disruption from multiple directions. The 35 percent year-to-date decline in Figma’s stock reflects a market that is repricing the entire design software category in anticipation of AI-driven disruption.