docs(tools): add search cheat sheet

TOOLS.md

@@ -55,6 +55,17 @@ Skills are shared. Your setup is yours. Keeping them apart means you can update
   - use **Brave MCP directly** when Will explicitly asks for Brave / a second opinion
 - Backend labels should be called out in research answers when relevant
 
+#### Search cheat sheet
+
+- General/local-first search:
+  - `skills/local-meta-search/scripts/search.sh "query"`
+- Direct SearXNG:
+  - `skills/searxng-local-search/scripts/search.sh "query"`
+- Direct Brave MCP:
+  - `skills/brave-mcp-search/scripts/search.sh "query"`
+- Native fetch:
+  - use tool `web_fetch(url=...)`
+
 ### Docker services
 
 - **searxng**