# Changelog 71: Router MCP Integration

**Date:** 2025-12-01
**Type:** Feature
**Task:** TASK-039-17

## Summary

Implemented the MCP Integration Adapter for the Router Supervisor, enabling seamless integration with MCP server tool execution.

## Changes

### New/Updated Files

- `server/router/adapters/mcp_integration.py` - Full implementation
- `server/router/adapters/__init__.py` - Exports
- `tests/unit/router/adapters/test_mcp_integration.py` - 32 tests

### Features

1. **MCPRouterIntegration**
   - Wraps async tool executors
   - Wraps sync tool executors
   - Enable/disable toggle
   - Bypass tools support

2. **RouterMiddleware**
   - Middleware-style integration
   - Chainable handlers

3. **Factory Function**
   - `create_router_integration()` for easy setup

4. **Result Combining**
   - Multi-step results formatted
   - Step numbers included

### API

```python
from server.router.adapters import (
    MCPRouterIntegration,
    RouterMiddleware,
    create_router_integration,
)

# Create and configure
integration = create_router_integration(
    config=RouterConfig(),
    enabled=True,
    bypass_tools=["scene_list"],
)

# Wrap executor
wrapped = integration.wrap_tool_executor(my_executor)
result = await wrapped("mesh_extrude", {"depth": 0.5})
```

## Test Coverage

- 32 unit tests for MCP Integration
- 475 total router tests passing

## Related

- Part of Phase 4: SupervisorRouter Integration
