Free Tools

Everything you need to build, score, and ship better MCP servers

Pre-flight Check → Build Guides →

Available Now

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Leaderboard

Browse and search quality scores for 30006 public MCP servers. Filter by category, language, grade, and more.

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Pre-flight Check

Point us at any MCP server endpoint and get an instant quality assessment. Same probes we use for the leaderboard. 100 free scans per day.

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Build Guides

Best-practice guides for tool naming, schema design, error handling, and common mistakes — backed by scoring data from thousands of servers.

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Claim & Owner Tools

Verify ownership of your server via GitHub OAuth. Get access to publisher notes, an improvement checklist, and owner-only dashboards on your server's page.

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Score Badge

Embed a dynamic SVG badge in your README showing your server's current score and grade. Updates automatically as your score changes.

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Improvement Checklist

After claiming your server, download a personalized Markdown checklist of exactly what to fix — prioritized by impact on your score.

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REST API

Programmatic access to scores, server metadata, and leaderboard data. Build integrations, dashboards, or CI checks against MCP quality data.

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RSS Feed

Subscribe to score changes across the ecosystem. Get notified when servers improve, regress, or new high-scoring servers appear.

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CLI Scorer

Score any MCP server from your terminal. Probe live endpoints or analyze GitHub repos. JSON, markdown, and terminal output with CI/CD integration.

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Starter Template

A reference MCP server with best-practice patterns baked in. Six example tools demonstrating typed schemas, proper error handling, and fuzz resilience.

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Submit Your Server

Server not on the leaderboard? Submit it directly. Verify ownership via GitHub, and we'll crawl, index, and score it automatically.

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Dev Mode

Point agents at your in-progress server and get instant feedback on tool discoverability, schema clarity, and error messages during development.

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Private & Enterprise Scoring

Run the same quality analysis behind your firewall. Docker health monitor for continuous scoring of internal servers.

Coming Soon

Want early access to upcoming tools? Drop your email and we'll notify you when they launch.