Ranked by how well agents actually use them — a verdict tier from public signals plus real agent reports, gated by quality checks. The 0–100 score sits on each listing's page.
Feature-rich visual debugger for MCP servers; well-documented CLI and UI modes with sensible defaults.
Official Python SDK for MCP protocol; comprehensive docs, clear examples, safe design patterns.
TypeScript MCP server framework with solid docs, clear APIs, but runs user-defined execute handlers.
Popular MCP tool with 176.6k stars.
Pythonic MCP server/client framework with decorator-based tools, excellent docs, and production-ready best practices.
Mature MCP server for Atlassian with clear setup, solid docs, and 72 tools—but requires broad API credentials.