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Mattermost MCP. Audit team history and manage communication flows.

Mattermost (Secure Team Collaboration) MCP gives your AI agent full control over mission-critical team communication. Use it to search across every channel, audit user roles, manage complex message threads, and ensure compliance by programmatically inspecting or modifying chat history.

Mattermost MCP is compatible with Claude Claude
Mattermost MCP is compatible with ChatGPT ChatGPT
Mattermost MCP is compatible with Cursor Cursor
Mattermost MCP is compatible with Gemini Gemini
Mattermost MCP is compatible with Windsurf Windsurf
Mattermost MCP is compatible with VS Code VS Code
Mattermost MCP is compatible with JetBrains JetBrains
Mattermost MCP is compatible with Vercel Vercel
See Vinkius in Action

Give Claude and any AI agent real-world access

Find hidden channels

Scan the entire Mattermost workspace to locate public or private channels by name.

Retrieve message history

Get a precise chronological list of all posts from a specific channel at any time.

Manage team members and roles

List active users, verify their system roles, or get the necessary IDs to route mentions correctly.

Send structured posts

Dispatch a formatted message into any channel, including specific user tags.

Audit and modify messages

Update existing chat records or delete them entirely, all while retaining crucial audit timestamps for compliance.

Waiting for input…

AI Agent
Mattermost

What AI agents can do with Mattermost (Secure Team Collaboration) MCP - 10 Tools

This collection of tools lets you interact with every aspect of your Mattermost workspace—from finding hidden channels to updating posts and auditing user roles.

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 (Secure Team Collaboration) MCP

Create Post

Sends a formatted message payload directly into any specified channel.

Delete Post

Removes an explicit text post from the Mattermost chat history.

Get Channel Details

Retrieves deep internal information about a specific chat channel.

List Team Channels

Finds and extracts the list of public channels within an entire team structure.

Get Channel Posts

Gathers the full, precise timeline matrix of messages from a given channel.

Get Team Members

Lists all currently attached user accounts and their capabilities within a team.

Get Teams

Identifies the main global workspaces or parent teams in your Mattermost setup.

Get All Users

Provides a full map of every active user and bot ID on the server, ensuring correct...

Search Channels

Scans the entire database to discover any hidden or public chat channel by name.

Update Post

Changes the content of an existing message while automatically preserving audit...

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

Mattermost MCP is compatible with Claude

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The Mattermost integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.

  • Import from OpenAPI, Swagger, or YAML specs
  • Create Agent Skills with progressive disclosure
  • Deploy to edge with MCPFusion framework
  • Built in DLP, auth, and compliance on each call
  • Real time usage dashboard and cost metering
  • Publish to catalog or keep private
Start building

Make Your AI Do More

Start with Mattermost (Secure Team Collaboration), then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,200+ others, all in one place
  • Add new capabilities to your AI anytime you want
  • Connections are secured and governed automatically
  • Track usage and costs across all your servers
  • Works with Claude, ChatGPT, Cursor, and more
  • New servers added to the catalog weekly
Mattermost MCP server cover

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Mattermost. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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The pain of chasing conversations in chat platforms

Think about the time sink: you need to know what was discussed last week regarding Project X. You open Mattermost and start clicking—Channel A, Channel B, then you remember it might have moved to a private thread in Team Z. You end up jumping between tabs, manually scrolling through threads, copying key dates, and pasting them into your notes just to build a timeline.

With this MCP, the process changes entirely. Instead of clicking, you tell your agent: 'Show me the full timeline for Project X.' Your agent runs `get_channel_posts` and instantly delivers the structured message history. You get immediate context without ever leaving your workflow.

Control chat data with Mattermost MCP

Manual control means relying on human memory or the platform's basic search, which often misses hidden channels. You can't programmatically list every team structure, nor can you verify if a user has changed roles since last quarter.

This MCP gives your agent deep system access. It lets you run `list_team_channels` to map out the entire network and use `get_team_members` to audit who belongs where. You move from guessing what's in the chat to knowing exactly what data points exist.

What Mattermost MCP does for your AI

Need to keep tabs on what's happening in a highly regulated team environment? This MCP connects your Mattermost instance directly to your AI agent, letting you manage the whole communication lifecycle without ever clicking through the UI. You can send formatted messages that include specific user mentions, or use fuzzy search to track down hidden channels across your entire infrastructure.

Beyond simple chat, you can enumerate every active member and check their roles for compliance audits. If a historical conversation is key, this MCP lets you retrieve exact message timelines from any channel. It's all managed through natural conversation via Vinkius—you just tell your agent what data points you need, and it pulls them directly into your workflow.

Built · Hosted · Managed by Vinkius Mattermost MCP - Audit & Manage Team Communications
Server ID 019d75d0-64b5-72f2-8b43-b18bb9cc9e25
Vinkius Inspector
Compliance Grade A+
Score 100/100
Vinkius Inspector Badge — Score 100/100

Frequently asked questions about Mattermost MCP

How does Mattermost MCP handle compliance auditing? +

It maintains a robust audit trail even when messages are changed. The update_post tool allows you to edit content while automatically preserving the original audit timestamps, ensuring traceability.

Can I find channels that aren't visible in my team? +

Yes. You can use the search_channels tool to aggressively scan the database for any hidden or public channel name across your entire Mattermost instance, regardless of visibility settings.

Does Mattermost MCP let me delete posts completely? +

The delete_post tool allows you to remove explicit text posts from the chat. This action is irreversible and designed for programmatically clearing records when needed.

How do I make sure mentions work correctly? +

You should use the get_all_users tool first. It provides a complete map of all active human and bot identities, guaranteeing your agent routes mentions accurately via their unique ID.

What is the difference between get_teams and list_team_channels? +

Use get_teams to identify the global parent workspaces. Then, use list_team_channels on those teams to find all the specific public channels within them.