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?
Delivers data quality reports and alerts directly to Slack channels for team visibility.
AlicenseBqualityCmaintenanceAgentic data quality MCP server — runs structured validation rules against warehouses (DuckDB, BigQuery, Athena, Databricks, Postgres), diagnoses failures with LLM root cause analysis, and proposes SQL remediations. Full audit trail of every AI decision.64Apache 2.0Why this server?
Enables routing audit notification events to Slack channels via the prufa_set_notifications tool.
AlicenseAqualityAmaintenancePoint your coding agent at a URL and get a real-browser QA audit: broken signup/login/checkout flows, JS console errors, missing analytics, consent + security headers, mobile tap targets, and accessibility — returned as machine-verified findings graded A-F.442Apache 2.0Why this server?
Enables Slack bots to react with expressive kaomoji and ASCII art that match the conversation mood, eliminating the need for custom emoji uploads.
Why this server?
Can be used to build faith-focused bots on Slack that deliver Scripture, encouragement, and spiritual guidance through the Doxa MCP server.

Doxa MCPofficial
AlicenseAqualityBmaintenanceChristian Bible Scripture MCP: BSB verse lookup, Christian encouragement, the Doxa Way journey map. Three tools: doxa_encourage, doxa_scripture, doxa_way_movement. Hosted at https://doxa.app/mcp/v1, free per-individual quota, BYOL for unlimited. Scripture, summoned.31MITWhy 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.193082MITWhy this server?
Monitors running status of Slack as part of process presence tracking.

roxabi-senseofficial
AlicenseBqualityBmaintenanceLocal workstation attention journal that tracks focus, idle, and agent sessions, exposing timeline data via MCP for AI agents to query current or past activity.5AGPL 3.0Why 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?
Enables building AI-powered Slack bots that interact with Picsha AI's media library through user isolation and dynamic context injection.

Picsha AI MCP Serverofficial
AlicenseAqualityDmaintenanceMCP server for Picsha AI platform enabling LLMs to search, upload, and manage digital assets through natural language, with secure local proxy and multi-tenant sandbox support.1484ISCWhy this server?
Allows searching and retrieving memories from Cognia that contain Slack messages and files.

@cogniahq/mcpofficial
AlicenseAqualityBmaintenanceEnables AI assistants to query end-to-end encrypted memories from Cognia workspace via MCP. Supports search, retrieval, and action execution against connected services like Slack, Notion, and GitHub.514MIT