Install Mattermost for Claude Desktop
Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving.
- Open ~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows, or ~/.config/Claude/claude_desktop_config.json on Linux.
- Paste the JSON config below.
- Replace placeholder secrets, then restart the client if it does not reload on its own.
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"vriesdemichael-mm-mcp": {
"command": "npx",
"args": [
"-y",
"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": "YOUR_MM_TOKEN",
"MM_URL": ""
}
}
}
}