Best Slack MCP Servers
Slack is a collaboration hub that connects your organization's people, information, and tools. It's a platform for team communication where work flows seamlessly between direct messaging, group conversations, and dedicated channels for projects, topics, or teams.
Why this server?
Integration with Slack as an upstream service behind the proxy, allowing code-of-conduct policy, per-user state, and audit controls to apply to Slack tool calls and responses.
AlicenseAqualityAmaintenancePolicy proxy that governs what AI assistants can reach and do: it refuses forbidden tool calls before the upstream is contacted, with per-user memory and a tamper-evident audit. Stops prompt-injection exfiltration and forbidden data combinations across connectors.212Apache 2.0Why this server?
Provides a notify port for sending notifications to Slack, allowing agents to post messages and updates through the Baron MCP server.
Why this server?
Allows creating Slack alert channels for Crontinel notifications.

@crontinel/mcp-serverofficial
AlicenseAqualityBmaintenanceConnects AI assistants to Crontinel, enabling natural language queries about cron jobs, queues, Horizon status, and alerts without opening a browser.724MITWhy this server?
Allows sending messages to Slack channels and interacting with Slack integration actions.

Platoona MCP Serverofficial
AlicenseAqualityDmaintenanceAn MCP server that connects AI assistants to 10,000+ SaaS integrations through Platoona Connect, enabling search, connection, and execution of integration actions via natural language.614MITWhy this server?
Allows drafting, sending, and measuring Slack broadcasts via Stet.

Stet MCP Serverofficial
AlicenseAqualityBmaintenanceEnables drafting, sending, and measuring Slack broadcasts from any MCP-capable agent using the Stet platform.2217MITWhy this server?
Provides detection and redaction of sensitive data in Slack messages and files before they reach an AI agent.

Strac MCP DLPofficial
AlicenseAqualityAmaintenanceDetect and redact PII, PHI, PCI and secrets — SSNs, credit cards, passports, API keys and cloud credentials — in text and in local files, using the Strac DLP API. Five tools: redact_text, detect_sensitive_data, detect_file, redact_file and detokenize.57MITWhy this server?
Detects and redacts Slack API tokens, webhook URLs, and session tokens in text.

classifinder-mcpofficial
AlicenseAqualityBmaintenanceEnables AI agents to scan text for leaked secrets and prompt injection markers, and redact them before reaching an LLM.21MITWhy this server?
Supports sending automated notifications, monitoring alerts, and scan logs to Slack channels via webhooks.
AlicenseAqualityAmaintenanceAI-powered VMware vCenter/ESXi monitoring and operations. 20 MCP tools for inventory queries, health monitoring, VM lifecycle management, fast provisioning (Linked Clone, OVA, template deploy), snapshot management, and datastore browsing. Supports vSphere 6.5–8.0. Works with local models via Ollama/LM Studio.24470MITWhy this server?
Provides access to Hackle's A/B testing data through the Hackle Slack Community, where users can request API keys for the MCP Server

hackle-mcpofficial
AlicenseBqualityCmaintenanceA Model Context Protocol server for Hackle API providing tools and resources for querying A/B Test data.195203MIT