Mattermost Mcp Server
MCP server for Mattermost - 48 tools for channels, messaging, users, webhooks, and more
ActiveNot tested
32DNo CVEsactiveApache-2.0
Quick Install
{
"mcpServers": {
"mattermost-mcp-server": {
"command": "<see-readme>",
"args": []
}
}
}No install config available. Check the server's README for setup instructions.
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[](https://mcppedia.org/s/mattermost-mcp-server)
Should you use this server?
MCP server for Mattermost - 48 tools for channels, messaging, users, webhooks, and more
✓
Is it safe?
No package registry to scan.
No authentication — any process on your machine can connect.
Apache-2.0. View license →
✓
Is it maintained?
Last commit 1 days ago.
i
Will it work with my client?
Transport: stdio. Works with Claude Desktop, Cursor, Claude Code, and most MCP clients.
README
Mattermost MCP Server
A Model Context Protocol (MCP) server for Mattermost, enabling AI assistants to interact with your Mattermost workspace. This server provides tools for sending messages, managing channels, searching users, and handling file uploads/downloads.
Features
- 27 Total Tools: Comprehensive coverage of Mattermost operations
- Read Operations: Teams, channels, users, messages, reactions, files
- Write Operations: Send/edit/delete messages, reactions, channel management, file operations
- Read-Only Mode: Safe mode with only read operations enabled
- Dual Token Support: Bot token for reads, PAT for writes (enhanced security)
- Debug Logging: Optional verbose logging for troubleshooting
Installation
Method 1: Using Go Install
go install github.com/karti-ai/mattermost-mcp-server@latest
Method 2: Binary Download
Download the latest binary from the releases page:
curl -L -o mattermost-mcp-server https://github.com/karti-ai/mattermost-mcp-server/releases/latest/download/mattermost-mcp-server-linux-amd64
chmod +x mattermost-mcp-server
Method 3: Build from Source
git clone https://github.com/karti-ai/mattermost-mcp-server.git
cd mattermost-mcp-server
go build -ldflags "-s -w" -o mattermost-mcp-server .
Configuration
Environment Variables
| Variable | Description | Required |
|---|---|---|
MATTERMOST_HOST | Mattermost server URL (e.g., https://mattermost.example.com) | Yes |
MATTERMOST_TOKEN | Access token (bot, PAT, or user) | Yes* |
MATTERMOST_BOT_TOKEN | Bot token (alternative to TOKEN) | Yes* |
MATTERMOST_PAT | Personal Access Token (alternative to TOKEN) | Yes* |
MATTERMOST_TEAM | Default team name | No |
*At least one token type is required.
CLI Flags
| Flag | Short | Description |
|---|---|---|
-host | -H | Mattermost server URL |
-token | -t | Mattermost access token |
-bot-token | Mattermost bot token | |
-pat | Mattermost personal access token | |
-team | Mattermost team name | |
-debug | -d | Enable debug logging |
-insecure | Allow insecure TLS connections | |
-read-only | -r | Enable read-only mode |
-version | -v | Show version and exit |
Example .env File
# Mattermost Configuration
MATTERMOST_HOST=https://mattermost.company.com
MATTERMOST_TOKEN=your-bot-token-here
MATTERMOST_TEAM=general
# Optional: Enable debug logging
# DEBUG=true
Available Tools
The server exposes 27 tools grouped by category:
Team Operations (1)
| Tool | Description |
|---|---|
mattermost_list_teams | List all teams the bot has access to |
Channel Operations (5)
| Tool | Description |
|---|---|
mattermost_list_channels | List all accessible channels in a team |
mattermost_get_channel_by_name | Get a channel by name in a team |
mattermost_get_channel_info | Get detailed channel info with member count |
mattermost_list_channel_members | List all members of a channel |
mattermost_mark_channel_read | Mark a channel as read (clear unread) |
Channel Admin (4)
| Tool | Description |
|---|---|
mattermost_create_channel | Create a new public or private channel |
mattermost_invite_to_channel | Invite a user to a channel |
mattermost_leave_channel | Leave a channel |
mattermost_delete_channel | Delete/archive a channel |
Messaging (6)
| Tool | Description |
|---|---|
mattermost_send_message | Send a message (supports thread replies) |
mattermost_edit_message | Edit an existing message |
mattermost_delete_message | Delete a message |
| `mattermost_get_channel_message |
Test This Server
No automated test available for this server. Check the GitHub README for setup instructions.
Help improve this page
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Add informationScore Breakdown
Security
6/30No known vulnerabilities.
○
Known CVEs — No package registry to scan
○
Tool safety — No tools to analyze
○
Tool poisoning — No tools to analyze
○
Injection vectors — No tools to analyze
✓
Tool stability — Tool definitions stable
○
Dependency health — No package to analyze
✓
License — License: Apache-2.0
○
Authentication — No authentication required
○
Repository — active repo
CVEs checked daily via OSV.dev. Score algorithm is open source.
Reviews
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Frequently Asked Questions
- Is Mattermost Mcp Server safe to use?
- Mattermost Mcp Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under Apache-2.0.
- How do I install Mattermost Mcp Server?
- Mattermost Mcp Server can be installed by cloning its GitHub repository and following the setup instructions in the README.
- What AI clients work with Mattermost Mcp Server?
- Mattermost Mcp Server is compatible with Claude Desktop, Cursor, Claude Code, and most MCP clients that support stdio transport. It uses stdio transport.
- Is Mattermost Mcp Server actively maintained?
- Mattermost Mcp Server is actively maintained — last commit was 1 day ago.
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Discussion
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