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mcp/harbor
Claude Desktop

Mattermost for Claude Desktop

io.github.toffguy77/mattermost-mcp

Mattermost: read unreads, mentions, channels and threads; opt-in posting, edits, reactions

client:Claude Desktop transport:stdio runtime:pypi

Install Mattermost in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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{
  "mcpServers": {
    "mattermost-mcp": {
      "command": "uvx",
      "args": [
        "mattermost-mcp-server"
      ],
      "env": {
        "MATTERMOST_URL": "<MATTERMOST_URL>",
        "MATTERMOST_ACCESS_TOKEN": "<MATTERMOST_ACCESS_TOKEN>",
        "MATTERMOST_ENABLE_WRITE": "<MATTERMOST_ENABLE_WRITE>",
        "MATTERMOST_TOKEN": "<MATTERMOST_TOKEN>",
        "MATTERMOST_CSRF": "<MATTERMOST_CSRF>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Mattermost in other clients

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