EX MCP Server

# System Flow Diagram (Augment) Status: Visual quick reference ```mermaid graph TD U[Client] --> C[MCP Client] C --> S[Server] S --> LT[list_tools] S --> CT[handle_call_tool] CT --> T[tools] T --> R[RouterService] R --> REG[ModelProviderRegistry] REG --> P[Provider] P --> X[Upstream APIs] T -.-> AR[IntelligentTaskRouter] AR -.-> R S --> L[logs] ``` Notes - src/providers is canonical for providers; top-level providers/ is a temporary shim - Tools live under tools/ and call into RouterService when models are needed - Agentic router is optional and should not conflict with RouterService decisions