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Most Popular MCP Servers (Most GitHub Stars)
The MCP projects developers star most on GitHub, from the official server registry to Context7, Playwright, Mastra, and Firecrawl. Popularity does not equal safety - we show each project's CheckMCP audit grade alongside its star count so you can see where the crowd-favorite and the well-built lists diverge. Ranked by stars.
8 servers, ranked by GitHub stars. Click any to see its full security & quality audit.
| 01 | servers modelcontextprotocol/servers | ◆ repo★ 88k | 71C |
| 02 | context7 upstash/context7 | ◆ repo★ 59k | 100A |
| 03 | playwright-mcp microsoft/playwright-mcp | ◆ repo★ 35k | 100A |
| 04 | mcp-toolbox googleapis/genai-toolbox | ◆ repo★ 16k | 100A |
| 05 | mcp awslabs/mcp | ◆ repo★ 9.4k | 100A |
| 06 | firecrawl-mcp-server mendableai/firecrawl-mcp-server | ◆ repo★ 6.9k | 100A |
| 07 | mcp browsermcp/mcp | ◆ repo★ 6.8k | 66D |
| 08 | exa-mcp-server exa-labs/exa-mcp-server | ◆ repo★ 4.7k | 98A |
Most Popular MCP Servers (Most GitHub Stars) — FAQ
What is the most popular MCP server?+
By CheckMCP's audit, servers ranks highest in "Most Popular MCP Servers (Most GitHub Stars)" with an MCP Score of 71/100 (grade C). This page ranks 8 audited MCP servers by their vendor-neutral CheckMCP score (security, tool design, reliability, context-cost). Re-audit any of them at checkmcp.dev.
How are these MCP servers ranked?+
Every server on this page is independently audited by CheckMCP and scored 0–100 across weighted pillars — for live endpoints: security (OWASP MCP Top 10), tool design, schemas, reliability and context-cost; for repos: maintenance, license, adoption and documentation. Ordering reflects the audit (popularity lists are ordered by GitHub stars instead) — no vendor pays for placement.
Are these MCP servers safe to use?+
Each listing links to a full CheckMCP report showing its grade, per-pillar breakdown and any security findings (tool poisoning, hardcoded secrets, the lethal trifecta). Grade A/B servers passed with no or only minor issues; check the individual report before connecting any server to sensitive data or tools.