SlackSendTool

def __init__(self, *, bot_token: str, channel_id: str) -> None:
    """
    Initialize the SlackSendTool.

    Args:
        bot_token: Bot User OAuth Token starting with "xoxb-".
        channel_id: Channel ID where messages will be sent.
    """

    # Function that sends the message, uses dependency injection for bot token / channel / guild
    async def slack_send_message(
        message: Annotated[str, "Message to send to the channel."],
        bot_token: Annotated[str, Depends(on(bot_token))],
        channel_id: Annotated[str, Depends(on(channel_id))],
    ) -> Any:
        """
        Sends a message to a Slack channel.

        Args:
            message: The message to send to the channel.
            bot_token: The bot token to use for Slack. (uses dependency injection)
            channel_id: The ID of the channel. (uses dependency injection)
        """
        try:
            web_client = WebClient(token=bot_token)

            # Send the message
            if len(message) > MAX_MESSAGE_LENGTH:
                chunks = [
                    message[i : i + (MAX_MESSAGE_LENGTH - 1)]
                    for i in range(0, len(message), (MAX_MESSAGE_LENGTH - 1))
                ]
                for i, chunk in enumerate(chunks):
                    response = web_client.chat_postMessage(channel=channel_id, text=chunk)

                    if not response["ok"]:
                        return f"Message send failed on chunk {i + 1}, Slack response error: {response['error']}"

                    # Store ID for the first chunk
                    if i == 0:
                        sent_message_id = response["ts"]

                return f"Message sent successfully ({len(chunks)} chunks, first ID: {sent_message_id}):\n{message}"
            else:
                response = web_client.chat_postMessage(channel=channel_id, text=message)

                if not response["ok"]:
                    return f"Message send failed, Slack response error: {response['error']}"

                return f"Message sent successfully (ID: {response['ts']}):\n{message}"
        except SlackApiError as e:
            return f"Message send failed, Slack API exception: {e.response['error']} (See https://api.slack.com/automation/cli/errors#{e.response['error']})"
        except Exception as e:
            return f"Message send failed, exception: {e}"

    super().__init__(
        name="slack_send",
        description="Sends a message to a Slack channel.",
        func_or_tool=slack_send_message,
    )