Mattermost

stdio

Read, search and post in Mattermost as yourself or a bot.

Getting Started

npx @getmcp/cli add io.github.vriesdemichael/mm-mcp

Requires Pre-built binary. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

MM_URL
The address you open Mattermost at, such as https://chat.example.com.

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.vriesdemichael/mm-mcp": {
      "command": "https://github.com/vriesdemichael/mm-mcp/releases/download/v0.3.1/mm-mcp_0.3.1_darwin_amd64.mcpb",
      "env": {
        "MM_MCP_ALLOW_WRITES": "false",
        "MM_MCP_ASK_BEFORE_WRITES": "true",
        "MM_MCP_CA_FILE": "",
        "MM_MCP_DOWNLOAD_DIR": "",
        "MM_MCP_FORCE_HUMAN_IN_THE_LOOP_IN_CLAUDE_CODE": "false",
        "MM_MCP_MARK_AI_GENERATED": "true",
        "MM_MCP_RESOURCE_MAX_MB": "10",
        "MM_TOKEN": "",
        "MM_URL": ""
      }
    }
  }
}

Claude Desktop MCP documentation