~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.json~/.config/Claude/claude_desktop_config.json{
"mcpServers": {
"rollbar": {
"command": "npx",
"args": [
"-y",
"@rollbar/mcp-server@latest"
],
"env": {
"ROLLBAR_ACCESS_TOKEN": "<project read/write access token>"
}
}
}
}