Lighthouse for MCP servers. Score any server 0–100 for correctness and agent-readiness.
npx scoremcp node server.js
[ servers: 10 ][ avg: 86 ][ grade A: 2 ][ grade B: 7 ][ grade C: 1 ]
#even the official MCP servers only score a B. scoremcp checks the things that quietly break agent tool-use: invalid schemas, thin descriptions, missing safety annotations, and slow discovery. Run it before you ship — no account, no config, and it never invokes your tools.
directory — scored MCP servers
| # | server | score | grade | tools | |
|---|---|---|---|---|---|
| 1 | sequential-thinking-server | 97 | A | 1 | |
| 2 | mcp-sequentialthinking-tools | 91 | A | 3 | |
| 3 | Context7 | 89 | B | 2 | |
| 4 | mcp-servers/everything | 87 | B | 13 | |
| 5 | memory-server | 86 | B | 9 | |
| 6 | zhsama/duckduckgo-mcp-server | 85 | B | 1 | |
| 7 | Playwright | 84 | B | 24 | |
| 8 | example-servers/puppeteer | 84 | B | 7 | |
| 9 | secure-filesystem-server | 82 | B | 14 | |
| 10 | @wrtnlabs/calculator-mcp | 71 | C | 6 |