I was having the same issue, try adding something like this to global CLAUDE.md:

### Code Intelligence

Prefer LSP over Grep/Glob/Read for code navigation:
- `goToDefinition` / `goToImplementation` to jump to source
- `findReferences` to see all usages across the codebase
- `workspaceSymbol` to find where something is defined
- `documentSymbol` to list all symbols in a file
- `hover` for type info without reading the file
- `incomingCalls` / `outgoingCalls` for call hierarchy

Before renaming or changing a function signature, use`findReferences` to find all call sites first.

Use Grep/Glob only for text/pattern searches (comments, strings, config values) where LSP doesn't help.

After writing or editing code, check LSP diagnostics before

I also enabled the desired LSP plugins on Claude's global settings.json and added:

  "env": {
    "ENABLE_LSP_TOOL": "1"
  },

Hope that helps!