### Check for existing issues

- [x] I have searched the existing issues and checked that my issue is not a duplicate.

### The Feature

Add a metric (with an MCP server name label) that tracks how many times each MCP server has been called, so this count can be queried per server via PromQL.

### Motivation, pitch

I'm building a dashboard to show usage of each MCP server. Right now I can't measure how many times each MCP server has been used, since the Prometheus metrics don't expose a per-MCP-server usage count. Adding this would let me build a dashboard showing usage counts for each MCP server.

### What part of LiteLLM is this about?

Proxy

### LiteLLM is hiring a founding backend engineer, are you interested in joining us and shipping to all our users?

No

### Twitter / LinkedIn details

www.linkedin.com/in/ori-cohen-5124b8163