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This release is a pre-release and may not be stable for production use.

Microsoft Agents Hosting - Slack

PyPI version

Integration library for building Slack agents using the Microsoft 365 Agents SDK. Provides direct-to-Slack responses (the full Slack Web API surface, beyond what Azure Bot Service exposes), a typed SlackChannelData envelope with dot-notation property access, and a SlackStream helper for chat.startStream / chat.appendStream / chat.stopStream.

Release Notes

Version Date Release Notes
1.4.0 2026-08-18 1.4.0 Release Notes
1.3.0 2026-07-30 1.3.0 Release Notes
1.2.0 2026-07-17 1.2.0 Release Notes
1.1.0 2026-06-19 1.1.0 Release Notes

Packages Overview

We offer the following PyPI packages to create conversational experiences based on Agents:

Package Name PyPI Version Description
microsoft-agents-activity PyPI Types and validators implementing the Activity protocol spec.
microsoft-agents-hosting-core PyPI Core library for Microsoft Agents hosting.
microsoft-agents-hosting-aiohttp PyPI Configures aiohttp to run the Agent.
microsoft-agents-hosting-fastapi PyPI Configures fastapi to run the Agent.
microsoft-agents-hosting-msteams PyPI Provides classes to host an Agent for Teams.
microsoft-agents-hosting-dialogs PyPI Dialog system with waterfall dialogs, prompts, and multi-turn conversation management.
microsoft-agents-hosting-slack PyPI Provides classes to host an Agent for Slack.
microsoft-agents-storage-blob PyPI Extension to use Azure Blob as storage.
microsoft-agents-storage-cosmos PyPI Extension to use CosmosDB as storage.
microsoft-agents-authentication-msal PyPI MSAL-based authentication for Microsoft Agents.
microsoft-agents-authentication-entra-auth-sidecar PyPI Credential-free Entra ID Agent ID authentication via the sidecar.

Installation

pip install microsoft-agents-hosting-slack

Usage

from microsoft_agents.hosting.core.app import AgentApplication
from microsoft_agents.hosting.slack import SlackAgentExtension
from microsoft_agents.hosting.slack.api import SlackChannelData

app = AgentApplication(options)
slack = SlackAgentExtension(app)

@slack.on_message()
async def on_slack_message(context, state):
    channel_data = SlackChannelData.from_activity(context.activity)
    await slack.call(
        context,
        "chat.postMessage",
        {
            "channel": channel_data.get("event.channel"),
            "text": f"You said: {context.activity.text}",
        },
        token=channel_data.api_token,
    )

Key Classes

  • SlackAgentExtension — registers Slack-channel-scoped message/event handlers; exposes call(...) and create_stream(...).
  • SlackChannelData — typed wrapper around Bot Service's Slack channel-data payload with get(path) / try_get(path) accessors.
  • SlackApi — async HTTP client for the Slack Web API.
  • SlackStream — wraps Slack's streaming methods for incremental message updates.
  • SlackHelpers — encode/decode and conversation-id parsing utilities.

Quick Links

Release files for microsoft-agents-hosting-slack 1.5.0.dev8

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1.7.0

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