PrefectHQ/prefab

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🎨 The generative UI framework that even humans can use.

Stars: 695
Forks: 70
Open beginner issues: 0
Indexed issues: 50
Avg merge: 1d 13h
Merged PRs (30d): 7

Dominant language: HTML
License: Apache-2.0
Last GitHub push: Sep 5, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

50 open issues indexed

`ForEach` does not work with the built-in list filters (`selectattr`, `rejectattr`, `compact`) Open

bug renderer

Difficulty 3/5 1-2 days Newbie friendliness 68/100

PrefectHQ/prefab#521 · Opened Sep 18, 2026
BarChart "height=" kwarg not accepting reactive expression Open

bug python

Difficulty 3/5 1-2 days Newbie friendliness 64/100

PrefectHQ/prefab#519 · Opened Sep 15, 2026
Upgrade checks failing on main branch Open

build failed

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PrefectHQ/prefab#518 · Opened Sep 11, 2026
Renderer pins a CPU core whenever the host supplies host context Open

bug renderer

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

PrefectHQ/prefab#515 · Opened Sep 8, 2026
Support MCP Apps app-provided tools Open

enhancement python

Difficulty 5/5 Over a week Newbie friendliness 45/100

PrefectHQ/prefab#504 · Opened Sep 5, 2026
[FEATURE REQUEST] Add WaterFall Graph as Component Type Open

enhancement python

Difficulty 4/5 3-5 days Newbie friendliness 68/100

PrefectHQ/prefab#498 · 2 comments · Opened Aug 15, 2026
Add a Prefab action to download files from tool results (or URLs) Open

enhancement python renderer

Difficulty 4/5 3-5 days Newbie friendliness 50/100

PrefectHQ/prefab#497 · Opened Aug 14, 2026
CallTool: fallback dispatch via a wrapper tool for hosts that only expose meta-tools (search/execute gateways) Open

enhancement python renderer

Difficulty 4/5 3-5 days Newbie friendliness 52/100

PrefectHQ/prefab#495 · 6 comments · 4 reactions · Opened Aug 12, 2026
Add axis labels to bar and line chart Open

enhancement python renderer

Difficulty 4/5 3-5 days Newbie friendliness 55/100

PrefectHQ/prefab#476 · 1 comment · Opened Jun 24, 2026
Popovers inflate iframe scroll height and don't scroll long content in MCP hosts Open

bug renderer

Difficulty 4/5 3-5 days Newbie friendliness 62/100

PrefectHQ/prefab#474 · Opened Jun 23, 2026
Add pievisible pipe Open

enhancement renderer

Difficulty 3/5 1-2 days Newbie friendliness 68/100

PrefectHQ/prefab#473 · Opened Jun 23, 2026
Allow LineChart series to be a reactive template Open

enhancement python renderer

Difficulty 4/5 3-5 days Newbie friendliness 58/100

PrefectHQ/prefab#472 · 2 comments · Opened Jun 23, 2026
RTL Support Open

question

Difficulty 5/5 Over a week Newbie friendliness 30/100

PrefectHQ/prefab#462 · Opened Jun 2, 2026
Per-app Tailwind compilation for optimized renderer bundles Open

enhancement python renderer

Difficulty 5/5 Over a week Newbie friendliness 35/100

PrefectHQ/prefab#369 · Opened Mar 29, 2026
Consider a transport-agnostic renderer without ext-apps dependency Open

enhancement renderer

Difficulty 5/5 Over a week Newbie friendliness 35/100

PrefectHQ/prefab#335 · 1 comment · Opened Mar 24, 2026
Theme kwargs for semantic colors, radius, and component default sizes Open

enhancement python renderer

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PrefectHQ/prefab#313 · 1 comment · Opened Mar 18, 2026
Playground: scope theme CSS to preview pane via shadow DOM Open

bug renderer

Difficulty 4/5 3-5 days Newbie friendliness 52/100

PrefectHQ/prefab#307 · Opened Mar 17, 2026
Trigger: conditional actions when expressions transition Open

enhancement python

Difficulty 5/5 Over a week Newbie friendliness 20/100

PrefectHQ/prefab#299 · Opened Mar 16, 2026
Grid: responsive breakpoints are viewport-scoped, not container-scoped Open

bug renderer

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PrefectHQ/prefab#272 · Opened Mar 15, 2026
Improve heading/bold font for display use Open

enhancement renderer

Difficulty 5/5 Over a week Newbie friendliness 35/100

PrefectHQ/prefab#269 · Opened Mar 15, 2026
Make cursor pointer behavior configurable (theming/settings) Open

enhancement python renderer

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PrefectHQ/prefab#207 · Opened Feb 28, 2026
Enhancement: animations and animated showcase carousel Open

enhancement renderer

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#196 · Opened Feb 26, 2026
Toast notifications covered by Mintlify AI bar on welcome page Open

bug renderer

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

PrefectHQ/prefab#193 · Opened Feb 25, 2026
Determine a namespace system for component names Open

enhancement python

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#190 · Opened Feb 25, 2026
Add object literal syntax to expression language Open

enhancement python

Difficulty 3/5 1-2 days Newbie friendliness 55/100

PrefectHQ/prefab#175 · Opened Feb 24, 2026
Date/time Input types should use Prefab date pickers Open

enhancement renderer

Difficulty 4/5 3-5 days Newbie friendliness 48/100

PrefectHQ/prefab#174 · Opened Feb 24, 2026
Add reactive date variables and date manipulation pipes Open

enhancement renderer

Difficulty 5/5 Over a week Newbie friendliness 35/100

PrefectHQ/prefab#173 · Opened Feb 24, 2026
Ref system: type-safe reactive references with auto-generated keys Open

enhancement python renderer

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#159 · 1 comment · Opened Feb 23, 2026
AI app generation: `prefab generate` Open

enhancement python

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#157 · Opened Feb 23, 2026
Declarative DataSource with reactive query bindings Open

enhancement python

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#155 · Opened Feb 23, 2026
Zero-config chart helpers: `bar_chart(df)`, `line_chart(df)`, etc. Open

enhancement python

Difficulty 5/5 Over a week Newbie friendliness 35/100

PrefectHQ/prefab#154 · Opened Feb 23, 2026
Interactive DataFrame explorer: `explore(df)` Open

enhancement python

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#153 · Opened Feb 23, 2026
First-class DataFrame support for DataTable and Charts Open

enhancement python

Difficulty 5/5 Over a week Newbie friendliness 30/100

PrefectHQ/prefab#152 · 2 comments · Opened Feb 23, 2026
Batch dependency chains for Computed actions Open

enhancement json renderer

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#151 · Opened Feb 23, 2026
Computed action: transport-agnostic server-side derived values Open

enhancement json python

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#149 · Opened Feb 23, 2026
Host a live MCP server for docs previews Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

PrefectHQ/prefab#144 · Opened Feb 23, 2026
The pulsing Loader is too hard too see Open

bug renderer

Difficulty 3/5 1-2 days Newbie friendliness 25/100

PrefectHQ/prefab#132 · 1 comment · Opened Feb 22, 2026
Add visual variants to item/card components Open

enhancement python

Difficulty 4/5 3-5 days Newbie friendliness 42/100

PrefectHQ/prefab#123 · Opened Feb 21, 2026
Make Toast/Sonner position configurable Open

enhancement renderer

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PrefectHQ/prefab#122 · Opened Feb 21, 2026
Add Pagination component Open

enhancement python renderer

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PrefectHQ/prefab#121 · Opened Feb 21, 2026
Add Dropdown Menu component Open

enhancement python

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PrefectHQ/prefab#120 · Opened Feb 21, 2026
Add Checkbox support in Table/DataTable Open

enhancement python

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PrefectHQ/prefab#118 · Opened Feb 21, 2026
Add Checkbox and form invalid/error state support Open

enhancement python renderer

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PrefectHQ/prefab#117 · Opened Feb 21, 2026
Support multiple pipe arguments Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PrefectHQ/prefab#108 · Opened Feb 20, 2026
Add navigation comments to ComponentPreview Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

PrefectHQ/prefab#95 · Opened Feb 19, 2026
Add FileBrowser component Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

PrefectHQ/prefab#91 · 1 comment · 1 reaction · Opened Feb 19, 2026
Add GetPrompt action Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

PrefectHQ/prefab#77 · Opened Feb 16, 2026
Add transport abstraction to renderer Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#76 · Opened Feb 16, 2026
Add ReadResource action Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

PrefectHQ/prefab#73 · Opened Feb 16, 2026
A2UI interoperability: ingest and emit support Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

PrefectHQ/prefab#1 · Opened Feb 6, 2026

PrefectHQ/prefab

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