Bring Instant Messaging
to Claude Code
Learn how to connect Slack to Claude Code and start using 11 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Slack MCP Server?
Connect your Slack workspace to any AI agent to automate your team communication and collaboration. Slack provides a premier platform for business messaging, and this integration allows you to retrieve channel info, send messages, and search through conversational history through natural conversation.
What you can do
- Communication Orchestration — Post instant messages to channels or direct conversations and manage team threads programmatically.
- Channel & User Management — List all available channels and retrieve detailed member profile metadata directly from the AI interface.
- Search & Discovery Intelligence — Search through messages and retrieve channel histories to stay informed on team discussions via natural language.
- Presence & Status Tracking — Access user presence metadata and monitor team availability to ensure optimal collaboration.
- Operational Monitoring — Test authentication and monitor workspace health to ensure reliable connectivity between Slack and your AI workflows.
How it works
1. Subscribe to this server
2. Enter your Slack Bot User OAuth Token (xoxb-...) from your app settings
3. Start managing your team communications from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Project Managers — quickly post updates and retrieve team discussion points without switching between channels.
- Support Teams — automate the retrieval of user details and monitor support channels via natural conversation.
- Operations Managers — streamline the delivery of notifications and coordinate team communications directly within the chat.
Built-in capabilities (11)
Verify API access
Get metadata for a channel
List recent messages
Check if a user is online
Get details for a user
List public channels
List all pinned messages in a channel
Get reactions on a specific message
List workspace members
Search for messages
Send a message to a channel
Why Claude Code?
Claude Code registers Slack as an MCP server in a single terminal command. Once connected, Claude Code discovers all 11 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Slack data drives decisions without human intervention.
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Single-command setup:
claude mcp addregisters the server instantly. no config files to edit or applications to restart - —
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
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Claude Code runs headlessly, enabling unattended batch processing using Slack tools in cron jobs or deployment scripts
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Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
Slack in Claude Code
Slack and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Slack to Claude Code through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Slack in Claude Code
The Slack MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 11 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Claude Code only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
Slack for Claude Code
Every tool call from Claude Code to the Slack MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
How do I find my Slack Bot User OAuth Token?
Log in to Slack API, select your app, and navigate to OAuth & Permissions. You will find the token starting with xoxb- under the OAuth Tokens for Your Workspace section.
How do I add an MCP server to Claude Code?
Run claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.
Can Claude Code run MCP tools in headless mode?
Yes. Claude Code supports non-interactive execution, making it ideal for scripts, cron jobs, and CI/CD pipelines that need MCP tool access.
How do I list all connected MCP servers?
Run claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.
Command not found: claude
Ensure Claude Code is installed globally: npm install -g @anthropic-ai/claude-code
Connection timeout
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