We checked 46 popular MCP servers on Smithery: 7 in 10 tools never say when to use them
This story is from 2026-10-08. It is preserved in the archive; the latest stories are on the live feed.
We took 46 of the most-used MCP servers on Smithery and checked the descriptions of all 1,118 of their tools. 769 tools (69%) never say when to use them. 507 (45%) never say in their description what they return. And 15 servers have tools whose descriptions are so alike that an agent can mix them u…
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- 2026-10-08 02:55 · DEV Community — AI
We checked 46 popular MCP servers on Smithery: 7 in 10 tools never say when to use them