Best MCP Server for Slack
Let AI agents read and send Slack messages
Ranked by UnfragileRank from real capability data. Updated weekly. Not sponsored. Not opinions.
Send messages and manage Telegram chats and bots via MCP.
github.com/nicholasgriffintn/telegram-mcp-server ↗Read and send Slack messages and manage channels via MCP.
github.com/modelcontextprotocol/servers/tree/main/src/slack ↗Read and send Discord messages and manage servers via MCP.
github.com/v-3/discord-mcp ↗Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Pre
librechat.ai ↗MCP for public datasets OpenDOSM (Developed by Seah Boon Keong) What it delivers: - 163 curated datasets (Department of Statistics Malaysia + sources) - Programmatic tools: discover, query, get latest, correlation, ARIMA forecasts (with fallback) Benefits: Accessibility - Economists, analysts, and
smithery.ai/servers/seahbk1006/seahboonkeong-chat-opendosm ↗Capability matrix
Top capabilities surfaced for each of the top 3 artifacts. ✓ indicates an indexed capability matched against this need.
| Capability | Telegram MCP Server | Slack MCP Server | Discord MCP Server |
|---|---|---|---|
| message-sending-via-telegram-bot-api | ✓ | — | — |
| message-retrieval-and-chat-history-reading | ✓ | — | — |
| webhook-based-update-handling-integration | ✓ | — | — |
| error-handling-and-api-response-mapping | ✓ | — | — |
| bot-command-handler-registration-and-dispatch | ✓ | — | — |
| chat-and-channel-metadata-retrieval | ✓ | — | — |
| slack workspace channel enumeration via mcp protocol | — | ✓ | — |
| slack message history retrieval with thread context | — | ✓ | — |
When to choose each
Telegram MCP Server — UnfragileRank 60/100
Strongest for AI agents and assistants integrated with Telegram workflows, Notification systems requiring Telegram as a delivery channel, Teams building Telegram bots with MCP-compatible backends. Watch out for: Message size limited by Telegram Bot API (4096 characters for text).
Slack MCP Server — UnfragileRank 59/100
Strongest for AI agents and assistants that need workspace awareness before taking Slack actions, Teams building multi-channel notification systems with LLM orchestration, Developers integrating Slack into MCP-based AI workflows. Watch out for: Pagination is automatic but large workspaces (10k+ channels) may incur multiple API calls with latency.
Discord MCP Server — UnfragileRank 59/100
Strongest for LLM agents that need Discord conversation context for decision-making, Discord bot developers building context-aware assistants, Teams building audit logs or message analytics on Discord. Watch out for: Limited to messages the bot has permission to read in target channel.
Related
Frequently Asked Questions
What can an MCP server for Slack do?
A Slack MCP server lets AI agents read channels, search message history, send messages, and manage threads. Useful for AI assistants that need workspace context.
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