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Task tools return data only. The shell builds a narrowed A2UI surface (Column, Row, Card, Text, Title, Badge, Button) and keeps raw HTML inside the MCP Apps iframe. Co-authored-by: carlosvin <carlosvin@gmail.com>
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The overview eval now uses the skill description wording so the Waza spec requirement stays covered. Co-authored-by: carlosvin <carlosvin@gmail.com>
Component ids use a private-use prefix so literals cannot become children. A failed detail view retries that task. Tables use header cells, and a long table says how many rows are shown. Co-authored-by: carlosvin <carlosvin@gmail.com>
The merge replay left the old task-view files in the tree. Task views stay on the A2UI catalog. Co-authored-by: carlosvin <carlosvin@gmail.com>
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🟡 Changes recommended
Component-ID collisions, silent table truncation, missing table semantics, and incorrect detail retries remain unresolved.
4 open findings
What changed in this PR
Replaces task-specific MCP HTML views with host-rendered A2UI surfaces backed by a restricted Mantine catalog, while retaining MCP infrastructure for future raw documents.
Changes:
- Adds deterministic task-list/detail A2UI messages and Mantine adapters.
- Registers task-view tools directly with agentic chat.
- Removes the task MCP route, guest HTML/JavaScript, and related tests/configuration.
| File | Description |
|---|---|
vite.config.ts |
Removes deleted guest-script CORS handling. |
src/services/mcpUi/views/task-view.html |
Removes task MCP HTML shell. |
src/services/mcpUi/taskViewDom.test.ts |
Removes guest DOM tests. |
src/services/mcpUi/mcpUiResources.ts |
Generalizes raw-document registration. |
src/services/mcpUi/mcpUiResource.ts |
Narrows allowlist return type. |
src/services/mcpUi/mcpUiResource.test.ts |
Tests dynamic raw-document registration. |
src/services/ai/taskViewsMcp.server.ts |
Removes task MCP server. |
src/services/ai/taskViewsMcp.server.test.ts |
Removes MCP discovery tests. |
src/services/ai/taskViews.server.ts |
Adds direct task-view tools. |
src/services/ai/taskViews.server.test.ts |
Tests task-view filter handling. |
src/services/a2ui/taskViewMessages.ts |
Builds and validates A2UI task surfaces. |
src/services/a2ui/taskViewMessages.test.ts |
Tests messages, filtering, and actions. |
src/services/a2ui/mantineCatalog.tsx |
Maps the restricted catalog to Mantine. |
src/routeTree.gen.ts |
Removes the MCP API route. |
src/routes/api/mcp.ts |
Deletes the task MCP endpoint. |
src/routes/api/chat.ts |
Registers direct agentic view tools. |
src/components/AgenticShell/AgenticThread.tsx |
Renders A2UI tool results and actions. |
src/components/AgenticShell/AgenticShell.tsx |
Updates shell documentation. |
src/components/AgenticA2ui/AgenticA2uiSurface.tsx |
Adds validated A2UI surface rendering. |
src/components/AgenticA2ui/AgenticA2uiSurface.test.tsx |
Tests rendering and interactions. |
skills/README.md |
Documents the A2UI strategy. |
skills/evals/README.md |
Updates agentic evaluation expectations. |
scripts/skills/skillEvals.ts |
Enforces A2UI skill alignment. |
public/mcp-task-view.js |
Removes the task MCP guest. |
pnpm-lock.yaml |
Locks A2UI dependencies. |
package.json |
Adds A2UI core and React packages. |
netlify.toml |
Removes obsolete guest-script headers. |
evals/agentic-ux/tasks/agentic-unknown-component.yaml |
Adds unknown-component evaluation. |
evals/agentic-ux/tasks/agentic-contract-overview.yaml |
Updates contract wording. |
evals/agentic-ux/tasks/agentic-a2ui-mantine.yaml |
Adds Mantine A2UI evaluation. |
.agents/skills/tanstack-promptable-fullstack-app-template/SKILL.md |
Updates agentic architecture guidance. |
.agents/skills/reference-tech-stack/SKILL.md |
Records A2UI stack choices. |
.agents/skills/promptable-ux/SKILL.md |
Updates companion guidance. |
.agents/skills/observability-and-env/SKILL.md |
Updates companion guidance. |
.agents/skills/agentic-ux/SKILL.md |
Defines the new A2UI contract. |
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- pnpm-lock.yaml: Generated file
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Drop the unused catalog alias and URI re-export. Type task cards as Task, and track task-view call ids in a set. Co-authored-by: carlosvin <carlosvin@gmail.com>
Main widened the conversation and added a table presentation for the HTML guest. Task views stay on the Mantine catalog. A table request draws rows, and the Netlify HUD removal and full-width frame stay. Co-authored-by: carlosvin <carlosvin@gmail.com>
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Summary
Agentic task list and detail views are declarative A2UI surfaces built by the shell from tool data. The model still returns tasks only. The host maps a narrowed catalog onto Mantine 9: Column, Row, Card, Text, Title, Badge, and Button. Unknown component types render nothing.
@a2ui-bridge/react-mantineis not used. That package peers Mantine 8 and Tabler icons, and this app is Mantine 9 with lucide-react.showTasksViewandshowTaskViewreturn{ tasks }or{ task }.buildTaskViewMessagesbuilds the surface. A list row is one card button.open-taskloads the detail without another model turn.back-to-listsends "Show my tasks". Visible text does not include the task id.usageHint: "body", which the A2UI processor treats as child references.AgenticMcpRendererandsandbox_proxy.html). The task-view HTML guest,/api/mcp, andmcp-task-view.jsare removed.agentic-ux0.3.0 records the view strategy. The architecture skill stays vendor-agnostic.Verification
pnpm lint(Biome,tsc, skill check, skill evals) andpnpm test(203 tests).PROMPT_CONCEPT=agentic, seed data): list card, dark theme, detail with "All tasks", and a narrow viewport.Task list card in light mode
Task list card in dark mode
Detail view after opening the card
Task card on a narrow viewport
a2ui-task-views-2.mp4
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