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Adds a new MCP (Model Context Protocol) server that exposes Open Targets data visualisation widgets as MCP App tools for use in Claude Desktop. - Express HTTP server with Streamable HTTP MCP transport - Widget tools auto-generated from the sections registry (target, disease, drug, evidence, credible-set, variant, study entities) - Server-side GraphQL prefetch via ot_fetch_widget_data tool, working around Claude Desktop bug #696 that strips structuredContent from tool-result notifications - IIFE widget bundles built with Vite, inlined into HTML shells served as MCP App resources - Molecular structure widget with AlphaFold 3D viewer (manual entry) - Dockerfile for Cloud Run deployment (max-instances=1 for session stickiness); stdio transport for local Claude Desktop use via mcp-remote
- Updated SectionDef to remove prefetch-related properties and directFetch flag. - Modified SECTION_REGISTRY to reflect changes in widget definitions. - Simplified widget derivation logic in index.ts, removing prefetch handling. - Adjusted molecularStructureWidget to fetch data directly from the iframe. - Cleaned up types related to prefetching in types.ts. - Removed unused prefetch data handling and fetch interceptor logic in createWidgetEntry.tsx.
…nd improved link handling
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[WidgetsMCP]: First look at the open targets widgets-mcp
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