Show HN: Stop returning raw JSON from MCP servers, build rich inline UIs
2 days ago
- #Interactive Tools
- #MCP Apps
- #AI Interfaces
- MCP Apps allow AI agents to display interactive HTML widgets within chat interfaces, moving beyond text-only outputs.
- The Model Context Protocol (MCP) standardizes tool and data source integration for AI agents, acting as a universal interface.
- MCP Apps introduce UI resources, enabling servers to declare tools with interactive views, while hosts render them inline.
- Example: A weather tool can show a forecast card with toggles for units and refresh buttons, enhancing user interaction.
- MCP Apps maintain backward compatibility; hosts without support fall back to plain text output without disruption.
- Applications include weather cards and LangGraph debugging, where visual interfaces improve data comprehension and usability.
- The extension fosters more intuitive AI tools, making complex data like graphs or forecasts easier to understand and act upon.