Install MCP Sidecar 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": {
"lsequeiraa-mcp-sidecar": {
"command": "npx",
"args": [
"-y",
"mcp-sidecar@0.3.2"
],
"env": {
"SIDECAR_MAX_PROCESSES": "",
"SIDECAR_BUFFER_SIZE": "",
"SIDECAR_KILL_TIMEOUT": "",
"SIDECAR_CLEANUP_AFTER": "",
"SIDECAR_MAX_OUTPUT_SIZE": "",
"SIDECAR_ALLOWED_EXECUTABLES": "",
"SIDECAR_BLOCKED_PATTERNS": "",
"SIDECAR_AUDIT_LOG": ""
}
}
}
}