> ## Documentation Index
> Fetch the complete documentation index at: https://docs.novu.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

> Feature support matrix for Novu Connect on Slack, Microsoft Teams, WhatsApp, Telegram, and email.

Novu normalizes inbound events and outbound replies, but each provider exposes a different subset of UI features. Use this matrix when implementing replies, typing, edits, and tool approval.

## Supported capabilities

| Capability                     | Slack        | Teams                  | WhatsApp       | Telegram               | Email              |
| ------------------------------ | ------------ | ---------------------- | -------------- | ---------------------- | ------------------ |
| Full context history           | Yes          | Yes                    | Yes            | Yes                    | Yes                |
| Threaded replies               | Yes          | Yes                    | Yes            | Yes                    | Yes                |
| Live typing indicator          | Yes          | Yes                    | Yes            | Yes                    | No                 |
| React with eyes on new message | Yes          | Yes                    | Yes            | Yes                    | Yes                |
| Plan card (chain of thought)   | Yes (native) | Markdown edit-in-place | No             | Markdown edit-in-place | No                 |
| Rich text styling              | Yes          | Yes                    | Bold / italics | Yes                    | HTML               |
| Tap-to-respond (buttons)       | Yes          | Yes                    | Yes (up to 3)  | Yes                    | Yes (action links) |
| Emoji reactions                | Yes          | Yes                    | Yes            | Yes                    | Gmail only         |
| Message edits in place         | Yes          | Yes                    | Yes            | Yes                    | No                 |
| Action / tool approval         | Yes          | Yes                    | Yes            | Yes                    | Yes                |
| MCP tool approval              | Yes          | Yes                    | Yes            | Yes                    | Yes                |
| MCP connect card               | Yes          | Yes                    | Yes            | Yes                    | Yes                |
| Resolve conversation           | Yes          | Yes                    | Yes            | Yes                    | Yes                |
| Message queueing               | Yes          | Yes                    | Yes            | Yes                    | Yes                |
| Outbound file attachments      | Yes          | Yes                    | Not yet        | Not yet                | Not yet            |

Word-by-word streaming is not supported on any live channel yet.

## Channel pages

<Columns cols={3}>
  <Card title="Slack" icon="hash" href="/agents/channels/slack">
    Block Kit, native plan cards, tool approval.
  </Card>

  <Card title="Microsoft Teams" icon="users" href="/agents/channels/microsoft-teams">
    Adaptive Cards, typing, tool approval.
  </Card>

  <Card title="WhatsApp" icon="message-circle" href="/agents/channels/whatsapp">
    Quick-reply buttons, session context.
  </Card>

  <Card title="Telegram" icon="send" href="/agents/channels/telegram">
    Inline keyboards, edit-in-place plans.
  </Card>

  <Card title="Email" icon="mail" href="/agents/channels/email">
    Threaded HTML, action-link approvals.
  </Card>
</Columns>

## Building blocks

Each building block page lists channel support for that API:

* [Reply](/agents/custom-code-agent/building-blocks/reply)
* [Typing indicator](/agents/custom-code-agent/building-blocks/typing-indicator)
* [Edit sent messages](/agents/custom-code-agent/building-blocks/edit-sent-messages)
* [Tool approval](/agents/custom-code-agent/building-blocks/tool-approval)
* [Signals](/agents/custom-code-agent/building-blocks/signals)
* [Handlers and context](/agents/custom-code-agent/building-blocks/handle-events)