Sources

This skill is based on the AG-UI repo sources and the public A2UI/CopilotKit runtime docs.

AG-UI Repository Sources

• middlewares/a2ui-middleware/src/index.ts - A2UIMiddleware, schema context, a2ui-surface activity snapshots, action forwarding, and runtime tool interception.
• middlewares/a2ui-middleware/src/tools.ts - render_a2ui and log_a2ui_event tool contracts.
• middlewares/a2ui-middleware/src/types.ts - middleware config, inline catalog schema, injectA2UITool, recognized A2UI tool names, and defaultCatalogId.
• apps/dojo/src/app/api/copilotkit/[integrationId]/[[...slug]]/route.ts - current CopilotRuntime v2 A2UI config shape.
• apps/dojo/src/agents.ts - per-agent A2UIMiddleware wiring for ADK and Strands dynamic A2UI agents.
• integrations/ - AG-UI-supported framework integrations and examples.
• sdks/typescript/packages/cli/src/index.ts - supported create-ag-ui-app framework flags.
• integrations/adk-middleware/python/src/ag_ui_adk/a2ui_tool.py - ADK dynamic A2UI generate_a2ui adapter.
• integrations/adk-middleware/python/examples/server/api/a2ui_dynamic_schema.py
  • ADK dynamic schema example.
• integrations/adk-middleware/python/examples/server/api/a2ui_fixed_schema.py
  • ADK fixed schema a2ui_operations example.
• integrations/langgraph/typescript/src/a2ui-tool.ts - LangGraph TypeScript dynamic A2UI tool factory.
• integrations/langgraph/python/ag_ui_langgraph/a2ui_tool.py - LangGraph Python dynamic A2UI tool factory.
• integrations/langgraph/python/README.md - LangGraph FastAPI endpoint pattern.
• integrations/aws-strands/typescript/src/a2ui-tool.ts - Strands explicit and auto-injected A2UI tools.
• integrations/aws-strands/typescript/src/config.ts - Strands a2ui adapter config.
• integrations/aws-strands/typescript/examples/server/api/a2ui-fixed-schema.ts
  • Strands fixed schema a2ui_operations example.
• sdks/dotnet/plugins/ag-ui-dotnet/skills/ - new framework-specific .NET skills that should be used before cross-framework A2UI guidance in .NET apps.

External Sources

• CopilotKit public skills layout: https://github.com/CopilotKit/CopilotKit/tree/main/skills
• CopilotKit A2UI docs: https://docs.copilotkit.ai/generative-ui/a2ui
• A2UI docs: https://a2ui.org/
• AG-UI docs: https://docs.ag-ui.com/