Remove documentation for unavailable tool-search command (#3162)

* fix(cli): register tool search command

Wire the documented tool-search subcommand to the existing discovery engine and configured inventory.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

* docs: remove unavailable tool-search command

Remove the CLI section that advertised a subcommand the binary does not provide.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: f1d58829-0794-4caa-aa18-86543d177609

---------

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: f1d58829-0794-4caa-aa18-86543d177609

Author: tommaso-moro

README.md

@@ -421,17 +421,6 @@ If you don't have Docker, you can use `go build` to build the binary in the
 }
 ```
 
-### CLI utilities
-
-The `github-mcp-server` binary includes a few CLI subcommands that are helpful for debugging and exploring the server.
-
-- `github-mcp-server tool-search "<query>"` searches tools by name, description, and input parameter names. Use `--max-results` to return more matches.
-Example (color output requires a TTY; use `docker run -t` (or `-it`) when running in Docker):
-```bash
-docker run -it --rm ghcr.io/github/github-mcp-server tool-search "issue" --max-results 5
-github-mcp-server tool-search "issue" --max-results 5
-```
-
 ## Tool Configuration
 
 The GitHub MCP Server supports enabling or disabling specific groups of functionalities via the `--toolsets` flag. This allows you to control which GitHub API capabilities are available to your AI tools. Enabling only the toolsets that you need can help the LLM with tool choice and reduce the context size.