Use it now
Useful4 Signal2
/mcp now flags tools whose description is too long for the model to fully receive.
What's wrong with this entry?
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/mcp
What
Browsing an MCP server's tools in /mcp now shows a dim note under any tool whose description exceeds 2048 characters, telling you the model only receives roughly the first part of it. Useful when a server's tool is being ignored or misused.
Details
- The 2048 cap is a constant stored alongside the other MCP protocol constants.
- The note is assembled from a fixed prefix, the number, and a suffix; no setting hides it.
Evidence
The model receives only about the first
Strings lifted out of the shipped bundle, so the claim above can be checked against them.