Best free MCP servers

Ranked only by TestedMCP test score. Affiliate status never affects order.

Best free browser automation MCP servers (8 ranked, last tested 2026-10-22)
Best free filesystem MCP servers (4 ranked, last tested 2026-10-22)
Best free web search MCP servers (3 ranked, last tested 2026-10-22)
Best free database MCP servers (2 ranked, last tested 2026-10-22)
Best free deployment MCP servers (5 ranked, last tested 2026-10-22)