Mattermost MCP for AI. Manage every channel, user, and message history from chat.
Works with every AI agent you already use
…and any MCP-compatible client








Connect to your AI in seconds.
Mattermost connects your internal team chat into your AI client. You manage everything—from sending a quick message in a DM to tracking complex deployment threads and listing all users on the server—all via natural conversation.
It gives your agent full control over reading, writing, and managing your workspace history.
What your AI can do
Create new channel
Creates a new dedicated discussion channel in the Mattermost workspace.
Post message
Sends a new chat message to any specified channel or direct message recipient.
Get server config
Retrieves the current system settings and configuration parameters for the entire Mattermost instance.
Retrieves detailed information about specific user accounts on the Mattermost server.
Sends a chat message into a specified channel or direct message thread using post_message.
Retrieves the chronological list of posts and messages from an entire channel over time.
Programmatically establishes a new communication channel within your Mattermost workspace.
Retrieves a list of every user account registered on the server, along with their roles and status.
Verifies the current operational configuration and health status of the entire Mattermost instance.
Ask an AI about this
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Mattermost MCP Server: 12 Tools for Team Ops
These twelve tools let your agent control every aspect of the Mattermost workspace—from creating channels to retrieving deep message history.
Make your AI actually useful.
Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Mattermost on VinkiusCreate New Channel
Creates a new dedicated discussion channel in the Mattermost workspace.
Post Message
Sends a new chat message to any specified channel or direct message recipient.
Get Server Config
Retrieves the current system settings and configuration parameters for the entire...
Get My Profile
Fetches and displays your personal user profile details on the server.
Test Server Ping
Runs a quick health check to confirm the Mattermost API connection is live and...
Get Team Details
Gets specific information about a designated team within your organization's structure.
List Team Channels
Lists every channel that belongs to a specific, designated team.
List Channel Posts
Retrieves the complete message history for any specified channel or thread.
List System Roles
Displays all possible access roles and permissions defined within the Mattermost...
List Teams
Retrieves a list of all major teams defined in the Mattermost workspace hierarchy.
List Server Users
Provides a complete list of every user account currently registered on the...
List Incoming Webhooks
Lists and displays the configuration settings for all incoming webhooks connected to the server.
Security and governance baked right in.
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Build Your Own
Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.
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Make Your AI Do More
Start with Mattermost, then connect any of our 5,100+ other servers whenever your AI needs more. One click, no limits.
- Use this MCP plus 5,100+ others, all in one place
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Works with Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This connection provides 12 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.
Finding that single decision point in old chat logs shouldn't take 20 minutes of scrolling.
Right now? You gotta log into Mattermost. Then you click the channel, scroll up past days of general chatter, find the correct date range, and manually copy-paste snippets to a ticket or document. It's tedious, and chances are, you miss something crucial.
With this MCP server, your agent handles all that grunt work. You just tell it: 'What was decided about API rate limits last month?' And BAM—it runs `list_channel_posts` and hands you the clean summary right back in chat. No clicking, no scrolling.
Mattermost MCP Server: Manage team communication from your AI client.
The old way meant opening a browser tab just for Mattermost. If you needed to check if the DevOps team had assigned the patch, you'd switch context entirely—leaving your IDE or ticketing system behind.
Now, your agent can run `list_channel_posts` right where you are working. It pulls the chat data into the conversation flow instantly. The workspace becomes part of your workflow, not a separate tab.
What your AI can actually do with this
You've got full control over your team chat, period. This server lets your agent talk directly to Mattermost—you manage everything from sending quick messages in DMs to tracking deep deployment threads and listing out every user on the whole platform. It gives your agent read access, write access, and management tools for your entire workspace history.
Messaging and Channels
When you need to communicate, your agent sends a new chat message using post_message to any channel or direct message recipient. You can pull up the full conversation record from an entire channel at any time by calling list_channel_posts, which retrieves the complete chronological list of posts and messages. If the team needs more space, your agent establishes a dedicated discussion area using create_new_channel.
For keeping tabs on existing groups, you can get a definitive rundown of every single channel belonging to a specific group via list_team_channels.
User and Team Management
Need to know who’s on the roster? You'll get a complete list of every user account registered on the server using list_server_users, which includes details about their roles and current status. Want to check your own credentials? Your agent pulls your personal profile info with get_my_profile. For structuring teams, you can retrieve a comprehensive list of all major teams defined in the workspace hierarchy via list_teams.
Once you pick a specific team, you get granular details about it using get_team_details. The system also lets you see every possible access role and permission set up within Mattermost by listing out available roles with list_system_roles.
System Status and Configuration
Before trusting your agent with anything important, you'll want to check the connection. Running test_server_ping gives a quick health check confirming the API link is live. If you need to know how things are configured, get_server_config retrieves all the current system settings and operational parameters for the entire Mattermost instance.
For visibility into automated actions, your agent can display every incoming webhook setup by listing them with list_incoming_webhooks. These tools ensure you see exactly what's running behind the scenes.
019dd120-623a-70f2-89a9-16089480a05b Here's how it actually works
The bottom line is, your agent talks to Mattermost using a direct API connection, letting you manage chats and data without ever logging into the platform itself.
First, subscribe to this server on Vinkius. You'll need your Mattermost Base URL and an Access Token.
Next, connect that token into your preferred AI client (Claude, Cursor, etc.).
Finally, you tell your agent what you want—like 'Show unread messages in #deployments.' The agent runs the necessary tools against your live workspace data.
Who is this actually for?
This is for the DevOps engineer tired of manually checking alert channels across three different tools. It's for the technical PM who needs to know what was decided in a thread two weeks ago without digging through old screenshots. If your job involves coordinating information scattered across team chats, this saves time.
Uses list_channel_posts and post_message to automate incident response alerts or summarize deployment status threads.
Uses create_new_channel and get_team_details to organize new projects, ensuring everyone has the right dedicated space for code review discussions.
Runs searches across channels using list_channel_posts to pull up decision points or user approvals from historical threads.
What Changes When You Connect
Stop manually checking logs. Use list_channel_posts to instantly pull the full thread history for a specific incident, saving you minutes of scrolling through old messages.
Never lose track of who's on the team again. Run list_server_users to get an immediate roster of everyone and their current roles without leaving your chat window.
Automate alerts directly. Use post_message to trigger a status update—like 'Deployment v3.1 passed all checks'—to a dedicated #alerts channel immediately after a job finishes.
Organize your workspace on demand. If the team needs a new project space, use create_new_channel and get instant chat access without needing admin permission elsewhere.
Get an overview of system health. Run get_server_config to quickly verify that critical settings—like webhook endpoints—haven't been accidentally changed.
See it in action
The Incident Response Summary
A major service fails at 3 AM. Instead of jumping into Mattermost, copying messages, and summarizing them in a ticket, you ask your agent: 'Summarize the last hour in #devops-alerts.' The agent runs list_channel_posts to gather all posts, identifies key people, and gives you a bulleted summary immediately.
Onboarding New Engineers
A new hire needs access details for three different teams. Instead of sending a dozen links, you prompt your agent: 'List the channels for the Engineering team.' The agent runs list_team_channels and hands you the entire list so you can share it in one email.
Finding Old Decisions
The PM needs to know who approved the Q3 budget change. They ask their agent: 'Search for 'Q3 Budget' in #management.' The agent runs list_channel_posts and surfaces the exact thread, showing user names and timestamps of approval.
System Audit Check
The security team suspects a webhook was compromised. They ask: 'Show all incoming webhooks.' The agent runs list_incoming_webhooks and provides a clear, actionable list of every external service connected to the server.
The honest tradeoffs
Treating chat like a database search
Asking your agent, 'Give me all files and messages about API rate limit from last month.' This is too vague and requires multiple data sources.
You need to narrow the scope. First, run list_channel_posts for '#backend' and then ask the agent to filter those results for 'API rate limit'. Always specify the channel or team.
Assuming a single tool handles everything
Thinking that just calling 'get_team_details' will tell you who is currently online and what their role is.
Use multiple tools. Start with list_teams to identify the team, then use list_server_users for a full roster, and finally check specific roles using list_system_roles.
Ignoring system readiness
Trying to automate alerts or write code right after Mattermost has been updated, leading to failed API calls.
Always start by running the test_server_ping tool. This quick check confirms the API connection is stable before you attempt any complex reads or writes.
When It Fits, When It Doesn't
Use this Mattermost MCP Server if your core workflow involves coordinating information that lives inside a group chat—think incident response, project communication, or onboarding. You need to read message history (list_channel_posts) and write updates (post_message). Don't use it if you just need to send a single email; use an email API instead. If your process is purely about managing users (e.g., listing roles), then list_server_users is enough, but this server gives you the full context of why those users are relevant—the conversations they had.
It’s essential for complex systems that need to react to events. If your process requires checking who's online (get_my_profile) and then creating a follow-up discussion (create_new_channel), this is the right tool. But if you just need simple document storage, an external file system API works better.
Questions you might have
How do I use list_channel_posts with Mattermost? +
You prompt your agent to run list_channel_posts and specify the channel ID or name. The tool returns a chronological list of messages, allowing you to read through history without manually scrolling.
Can I use post_message to automate alerts? +
Yes, absolutely. You can instruct your agent to run post_message immediately after a script finishes. This is perfect for notifying the #alerts channel that a deployment succeeded or failed.
What if I need to know who has access to certain features? Do I use list_server_users? +
While list_server_users gives you names, run list_system_roles first. This shows all available permissions, and then you can ask your agent about specific user roles.
Does Mattermost MCP Server support reading DMs? +
Yes. You can use the message tools to read and reply in private channels (DMs). Just specify the recipient's ID or name when you talk to your agent.
How do I check if my Mattermost connection is active before running any commands? Do I use test_server_ping? +
Yes, run test_server_ping to verify the API health. This immediately confirms your agent can talk to the server without needing complex setup or triggering rate limits.
If I need to audit which services are sending data into Mattermost, what tool should I use? Is it list_incoming_webhooks? +
You use list_incoming_webhooks to view event configurations. This lets your agent check exactly which external services are feeding data and what triggers are active in the workspace.
How can my AI client understand the different levels of access or permissions on the server? Should I use list_system_roles? +
Run list_system_roles to see every available access role. This gives your agent a clear view of the permission hierarchy—like Admin vs. Member—so it doesn't attempt actions users can't perform.
Before creating new groups, how do I get an overview of all organizational units? Do I use list_teams? +
Use list_teams to retrieve a list of every defined team in your workspace. This is crucial for structuring automation; your agent knows which group containers exist before managing channels inside them.
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.
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