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LSP workspaceSymbol is always send with empty query #23075
Description
Description
Hello. I've found this when trying to work with clangd. It can't search symbols using workspaceSymbol function and always returns something irrelevant.
In logs of clangd a json's for requests are always send with empty query and it's clearly written in code:
Why so? Is it constraint for some other LSP?
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Reacted by VladD2, AKrasheninnikov, Pavel Vorozheykin, Pugach Aleksandr, Serg2DFX, oneofthemoons, Pavel Demenko, Oganesyan Levon and Sergei Gunchenko
Activity
VladD2 commentedon Apr 17, 2026
I can confirm this bug. Based on my testing with a clangd proxy, I would like to supplement the technical analysis. Please fix these bugs in the following way:
Update the Tool Schema: Remove filePath, line, and character from the "required" list for the workspaceSymbol operation. Instead, make a "query" (string) parameter mandatory.
Pass the Argument: Ensure that the actual query string provided by the model is passed into the lsp.workspaceSymbol(query) call instead of the current hardcoded empty string.
Align with LSP Specification: Ensure the tool follows the standard WorkspaceSymbolParams as defined in the official Microsoft LSP 3.17 Specification.
Since workspace/symbol is a global search by design, it should not be architecturally tied to a specific file path or coordinates. This adjustment will allow the LLM to perform proper project-wide discovery, which is critical for identifying symbols definitions across the entire repo / project.
VladD2 commentedon Apr 17, 2026
Related issue - #3116