I graded 36 popular MCP servers on agent usability. A third got a D or F

A study graded 36 popular MCP servers on agent usability and found a third of them received a D or F grade, indicating poor usability. This matters because it can lead to frustration and decreased productivity for users. To improve, users should check the usability of their MCP servers and consider alternatives if necessary. The study's results can be found at the provided URL.