Best AI Agent Skills for Slack Integration in 2026

Find AI agent tools that integrate with Slack for notifications, chatbots, and workflow automation.

🔍 Browse 10 slack integration ⭐ 20.0k total stars 🔄 Refreshed every 8h
Quick Pick — If you only pick one, go with slack-mcp-client ★ 163 — A Slack bot and MCP client acts as a bridge between Slack and Model Context Prot

The Complete Guide to Slack Integration Tools (2026)

What Are Slack Integration Tools?

Slack Integration tools are AI-powered software designed to help developers and teams tackle slack integration-related tasks more efficiently. These tools are typically published as open-source projects on GitHub and can be integrated into existing workflows via MCP (Model Context Protocol), Claude Skills, or standalone agent frameworks. On Agent Skills Hub, we index 10 quality-scored slack integration tools across languages including Go, JavaScript, TypeScript.

Why Use Slack Integration Tools?

In 2026, the AI agent ecosystem is maturing rapidly. Slack Integration tools can significantly boost development efficiency by automating repetitive tasks, reducing human error, and providing intelligent suggestions. The top 3 tools — slack-mcp-client, slack-mcp-server, refly — have earned an average of 1,999 GitHub stars, reflecting strong community validation. 8 of the listed tools come with clear open-source licenses, ensuring freedom to use and modify.

How to Choose the Best Slack Integration Tool?

When choosing a slack integration tool, consider these factors: 1) Community activity — GitHub stars and recent commit frequency indicate reliability; 2) Integration method — check if it supports MCP, Claude, or your preferred agent framework; 3) Language compatibility — the most common language in this list is Go; 4) Quality score — Agent Skills Hub's composite score evaluates code quality, documentation completeness, and maintenance activity. Our recommendation: start with slack-mcp-client — it ranks highest in both star count and quality score.

Top 10 Slack Integration Tools

1 slack-mcp-client by tuannvm
★ 163 Go MCP Server

A Slack bot and MCP client acts as a bridge between Slack and Model Context Protocol (MCP) servers. Using Slack as the interface, it enables large language models (LLMs) to connect and interact with various MCP servers through standardized MCP tools.

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2 slack-mcp-server by ubie-oss
★ 110 JavaScript MCP Server

A Slack MCP server

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3 refly by refly-ai
★ 7.1k TypeScript Codex Skill

The first open-source agent skills builder. Define skills by vibe workflow, run on Claude Code, Cursor, Codex & more. Build Clawdbot 🦞· APIs for Lovable · Bots for Slack & Lark/Feishu · Skills are infrastructure, not prompts.

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4 nexu by nexu-io
★ 2.7k TypeScript Codex Skill

The simplest desktop client for OpenClaw 🦞 — bridge your Agent to WeChat, Feishu, Slack & Discord in one click. Works with Claude Code, Codex & any LLM. BYOK, Oauth, local-first, chat from your phone 24/7.

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5 slackdump by rusq
★ 2.6k Go MCP Server

Save or export your private and public Slack messages, threads, files, and users locally without admin privileges.

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6 holmesgpt by HolmesGPT
★ 2.4k Python Agent Tool

SRE Agent - CNCF Sandbox Project

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7 slack-mcp-server by korotovsky
★ 1.6k Go MCP Server

The most powerful MCP Slack Server with no permission requirements, Apps support, GovSlack, DMs, Group DMs and smart history fetch logic.

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8 phantom by ghostwright
★ 1.4k TypeScript MCP Server

An AI co-worker with its own computer. Self-evolving, persistent memory, MCP server, secure credential collection, email identity. Built on the Claude Agent SDK.

View Details → GitHub →
9 openilink-hub by openilink
★ 1.2k Go Agent Tool

开源微信 Bot 管理平台 + App 应用市场 | Self-hosted WeChat Bot Platform with App Marketplace | Lark · Slack · Discord · DingTalk · GitHub · Notion · 20+ Apps | AI Tools | 7 Language SDKs

View Details → GitHub →
10 sleepless-agent by context-machine-lab
★ 811 Python Agent Tool

🤖 24/7 AI agent that maximizes Claude Code Pro usage via Slack. Auto-processes tasks, manages isolated workspaces, creates Git commits/PRs, and optimizes day/night usage thresholds.

View Details → GitHub →

Comparison

Tool Stars Language License Score
slack-mcp-client ★ 163 Go 36
slack-mcp-server ★ 110 JavaScript Apache-2.0
refly ★ 7.1k TypeScript 46
nexu ★ 2.7k TypeScript MIT 45
slackdump ★ 2.6k Go AGPL-3.0 42
holmesgpt ★ 2.4k Python Apache-2.0 40
slack-mcp-server ★ 1.6k Go MIT 43
phantom ★ 1.4k TypeScript Apache-2.0 45
openilink-hub ★ 1.2k Go MIT 44
sleepless-agent ★ 811 Python MIT 47

Related Categories

Frequently Asked Questions

What are the best slack integration in 2026?

The top slack integration in 2026 are slack-mcp-client, slack-mcp-server, refly. Agent Skills Hub ranks 10 options by GitHub stars, quality score (6 dimensions including completeness, examples, and agent readiness), and recent activity. The list is rebuilt every 8 hours from live GitHub data.

How do I choose between slack-mcp-client and slack-mcp-server?

slack-mcp-client (163 stars) is the most adopted choice for general slack integration workflows, written in Go. slack-mcp-server (110 stars) is a strong alternative and uses JavaScript instead. Pick by your existing stack: match the language and runtime your team already uses to minimize integration cost. If unsure, start with slack-mcp-client — it has the deepest community and the most examples online.

When should I NOT use slack integration?

Avoid pre-built slack integration when (1) your use case requires deep customization that the tool's plugin system doesn't support, (2) you have strict compliance requirements that ban third-party dependencies, (3) the tool's maintenance is inactive (last commit >6 months ago), or (4) your data volume is small enough that a 50-line custom script is cheaper than learning the tool. For most production workflows above 100 requests/day, the time savings from a maintained tool outweigh the customization loss.

What's the difference between slack integration and discord bot?

Slack Integration focuses specifically on find ai agent tools that integrate with slack for notifications, chatbots, and workflow automation. Discord Bot is a related but distinct category — see https://agentskillshub.top/best/discord-bot/ for those tools. The two often appear in the same agent pipeline but solve different problems: choose slack integration when your primary goal is the specific task, and discord bot when the workflow is broader.

Is slack-mcp-client better than building it yourself?

For most teams, yes. slack-mcp-client has 163 stars worth of community testing, handles edge cases you haven't thought of, and ships with documentation. Build your own only when (1) your requirements are deeply non-standard, (2) you have a security/compliance reason to avoid OSS dependencies, or (3) the maintenance burden is small enough (<200 lines of code) that you'll save time long-term. The break-even point is usually around 2-3 weeks of dev time saved.

Are these slack integration free to use?

Most slack integration listed are open source under permissive licenses (MIT, Apache 2.0). A handful offer paid managed/cloud versions on top of free self-hosted core. Always check the LICENSE file on each tool's GitHub repository before commercial use — some use AGPL or non-commercial restrictions that may not fit your deployment model.

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