Feature matrix

What ships out of the box for each entry point. The core (@useago/sdk) APIs are usable from any framework; the framework columns mark where a more idiomatic binding (hook / composable / service / component) is also provided.

Feature	Core (vanilla)	React	Vue	Angular
Create client	new AgoClient()	useAgo / <AgoProvider>	AgoPlugin / useAgo	provideAgo / AgoService
Zero-config auto-detect	✅ createAgo()	✅	✅	✅
Send message (streaming)	✅	✅ useChat/useMessages	✅ useChat/useMessages	✅ AgoService.sendMessage
Stop generation	✅ client.stop()	✅ stop from useChat/useMessages	✅ stop from useChat/useMessages	✅ AgoService.stop
File attachments	✅	✅	✅	✅
Audio transcription	✅ transcribeAudio	➖ core API	➖ core API	✅ AgoService.transcribeAudio
Dictation UI with live waveform	✅ widget speechToText: true	✅ ChatWidget, ChatInput, SpeechToTextButton	➖ vanilla widget	➖ vanilla widget
List / load conversations	✅	✅ useConversation	✅ useConversation	✅ AgoService
All-in-one chat state	—	✅ useChat	✅ useChat	➖ compose manually
Pre-built <ChatWidget> UI	—	✅	➖ see example	—
Markdown / <Message> / <ChatInput>	—	✅	—	—
Client-side functions	✅ registerFunction	✅ useAgoFunction	✅ useAgoFunction	✅ AgoService
defineFunction / withHandler	✅	✅	✅	✅
Pre-built helpers (showToast, …)	✅	✅ helpers prop	✅	✅
Navigation function	✅ registerNavigationFunction	✅ useAgoNavigation	✅ useAgoNavigation	✅ AgoService
Page state function	✅ registerPageStateFunction	✅ useAgoPageState	✅ useAgoPageState	✅ AgoService
Auto-continue after navigation	✅ attachAutoContinueAfterNavigation	✅ useAgoAutoContinueAfterNavigation	➖ core API	✅ enableAutoContinueAfterNavigation
Client context	✅ setContext / addDynamicContext	✅ useAgoContext	✅ core API	✅ core API
Auto page context	✅ enableAutoPageContext()	✅ pageContext="auto"	✅ core API	✅ core API
JS errors as context	✅ errorWatcher: true / reportError	✅ errorWatcher prop	✅ plugin option	✅ provideAgo option
Events (on/off/once/waitFor)	✅	✅ (via client)	✅ useAgoEvents	✅ messages$ Observables
Streaming helpers / async generator	✅	✅	✅	✅
Tool calls (form/confirm/reject)	✅	✅	✅	✅ AgoService
Message feedback (thumbs + reasons + comment)	✅ submitFeedback	✅ useFeedback / <MessageFeedback>	✅ useFeedback	✅ AgoService
Conversation feedback	✅ submitConversationFeedback	✅ useFeedback	✅ useFeedback	✅ AgoService
Feedback UI in the chat	✅ feedback: true (widget)	✅ <ChatWidget feedback />	➖ core API	➖ core API
Observable store	✅ createStore	✅ useAgoStore	✅ useAgoStore	➖ core API
Dev panel / devtools	✅ initDevPanel (/devtools)	✅	✅	✅
Testing mock client	✅ createMockClient	✅	✅	✅

Legend: ✅ first-class binding · ➖ supported via the core API, no dedicated sugar · — not applicable.

Guides per stack

Stack	Guide
Plain JavaScript / TypeScript	Core
React	React
Vue 3	Vue
Angular	Angular
Embeddable widget (<script>)	Widget