Can I read messages and reply to threads?

Yes. Browse channel history, read specific threads, and post replies or new messages with markdown formatting.

How does Mattermost authentication work?

Mattermost requires your instance's **Base URL** and a Personal **Access Token** for Bearer authentication.

Can I manage channels and users?

Yes. Create new public/private channels, invite users, and check their online status.

INSTANT PLUG AND PLAY

Mattermost MCP Server for Claude CodeGive Claude Code instant access to 12 tools to Create New Channel, Get My Profile, Get Server Config, and more

Name: Mattermost
Availability: InStock
Author: Vinkius

Built by Vinkius GDPR 12 Tools CLI

Claude Code is Anthropic's agentic CLI for terminal-first development. Add Mattermost as an MCP server in one command and Claude Code will discover every tool at runtime. ideal for automation pipelines, CI/CD integration, and headless workflows via Vinkius.

Use with Your AI Agent

Ask AI about this App Connector for Claude Code

Open in ChatGPT Open in Claude Open in Perplexity

The Mattermost app connector for Claude Code is a standout in the Talk To Me category — giving your AI agent 12 tools to work with, ready to go from day one.

Vinkius delivers Streamable HTTP and SSE to any MCP client

RecommendedModern Approach — Zero Configuration

Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Mattermost and 3,400+ MCP Servers from a single visual interface.

Download Free Open SourceNo signup required

Classic Setup·bash

# Your Vinkius token. get it at cloud.vinkius.com
claude mcp add mattermost --transport http "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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

About Mattermost MCP Server

Connect your Mattermost workspace to any AI agent and manage team collaboration through natural conversation.

Claude Code registers Mattermost as an MCP server in a single terminal command. Once connected, Claude Code discovers all 12 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Mattermost data drives decisions without human intervention.

What you can do

Messaging — Send, read, and reply to messages in channels and DMs
Channel Management — Create, join, and archive channels
Thread Tracking — Browse message threads and ongoing discussions
User Management — View user profiles, roles, and online status
Search — Search for messages, files, and users across the workspace
Webhooks — Trigger actions and monitor incoming webhooks

The Mattermost MCP Server exposes 12 tools through the Vinkius. Connect it to Claude Code in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 12 Mattermost tools available for Claude Code

When Claude Code connects to Mattermost through Vinkius, your AI agent gets direct access to every tool listed below — spanning team-messaging, open-source, channel-management, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.

create_new_channel

Create a channel

get_my_profile

Get user info

get_server_config

Check server settings

get_team_details

Get team info

list_channel_posts

Get channel history

list_incoming_webhooks

Get event configs

list_server_users

List all users

list_system_roles

List access roles

list_team_channels

List team channels

list_teams

List your teams

post_message

Send chat message

test_server_ping

Check API health

Connect Mattermost to Claude Code via MCP

Follow these steps to wire Mattermost into Claude Code. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.

Install Claude Code

Run npm install -g @anthropic-ai/claude-code if not already installed

Add the MCP Server

Run the command above in your terminal

Verify the connection

Run claude mcp to list connected servers, or type /mcp inside a session

Start using Mattermost

Ask Claude: "Using Mattermost, show me...". 12 tools are ready

Why Use Claude Code with the Mattermost MCP Server

Claude Code provides unique advantages when paired with Mattermost through the Model Context Protocol.

Single-command setup: `claude mcp add` registers 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

Claude Code runs headlessly, enabling unattended batch processing using Mattermost tools in cron jobs or deployment scripts

Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features

Mattermost + Claude Code Use Cases

Practical scenarios where Claude Code combined with the Mattermost MCP Server delivers measurable value.

CI/CD integration: embed Mattermost tool calls in your deployment pipeline to validate configurations or fetch secrets before shipping

Headless batch processing: schedule Claude Code to query Mattermost nightly and generate reports without human intervention

Shell scripting: pipe Mattermost outputs into other CLI tools for data transformation, filtering, and aggregation

Infrastructure monitoring: run Claude Code in a cron job to query Mattermost status endpoints and alert on anomalies

Example Prompts for Mattermost in Claude Code

Ready-to-use prompts you can give your Claude Code agent to start working with Mattermost immediately.

"Show unread messages in the #deployments channel."

"Send a message to the #engineering channel announcing the meeting."

"Search for 'API rate limit' and show thread replies."

Troubleshooting Mattermost MCP Server with Claude Code

Common issues when connecting Mattermost to Claude Code through the Vinkius, and how to resolve them.

Command not found: claude

Ensure Claude Code is installed globally: npm install -g @anthropic-ai/claude-code

Connection timeout

Check your internet connection and verify the Edge URL is reachable

Mattermost + Claude Code FAQ

Common questions about integrating Mattermost MCP Server with Claude Code.

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.