docs: comprehensive documentation overhaul for v2.2.3
Major documentation update bringing all docs current with the 122-tool, 16-category state of the project (previously frozen at v2.1.0-alpha/59 tools). New documentation (9 files): - FREEROUTING_GUIDE.md - autorouter setup, Docker/Podman, all 4 tools - SCHEMATIC_TOOLS_REFERENCE.md - all 27 schematic tools with parameters - ROUTING_TOOLS_REFERENCE.md - all 13 routing tools with examples - FOOTPRINT_SYMBOL_CREATOR_GUIDE.md - 8 creator tools with examples - SVG_IMPORT_GUIDE.md - SVG logo import tool - DATASHEET_TOOLS_GUIDE.md - datasheet enrichment tools - PCB_DESIGN_WORKFLOW.md - end-to-end design guide - ARCHITECTURE.md - system architecture for contributors - INDEX.md - documentation table of contents Updated documentation (12 files): - README.md - tool count 64->122, feature list, contributor credits - TOOL_INVENTORY.md - complete rebuild with all 122 tools - STATUS_SUMMARY.md - updated to v2.2.3 feature matrix - ROADMAP.md - marked completed milestones, added v2.3+ vision - KNOWN_ISSUES.md - removed resolved issues, added v2.2.x fixes - CLIENT_CONFIGURATION.md - added KICAD_MCP_DEV, FREEROUTING_JAR env vars - LIBRARY_INTEGRATION.md - added symbol and project-local library support - ROUTER_ARCHITECTURE.md, ROUTER_QUICK_START.md - updated tool counts - IPC_BACKEND_STATUS.md - updated dates - JLCPCB_USAGE_GUIDE.md - added cross-reference note - CONTRIBUTING.md - added ARCHITECTURE.md reference, updated tool count Archived 10 completed planning docs to docs/archive/. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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KiCAD MCP Bot
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docs/archive/ROUTER_IMPLEMENTATION_STATUS.md
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# Router Implementation Status
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## ✅ Phase 1 Complete: Foundation & Infrastructure
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**Date:** December 28, 2025
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### What Was Implemented
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#### 1. Tool Registry (`src/tools/registry.ts`)
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- ✅ Complete tool categorization (59 tools → 7 categories)
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- ✅ Direct tools list (12 high-frequency tools)
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- ✅ Category lookup maps for O(1) access
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- ✅ Tool search functionality
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- ✅ Registry statistics and metadata
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#### 2. Router Tools (`src/tools/router.ts`)
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- ✅ `list_tool_categories` - Browse all categories
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- ✅ `get_category_tools` - View tools in a category
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- ✅ `execute_tool` - Execute any routed tool
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- ✅ `search_tools` - Search tools by keyword
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#### 3. Server Integration (`src/server.ts`)
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- ✅ Router tools registered at server startup
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- ✅ All tools remain functional (backwards compatible)
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- ✅ Logging added for router pattern status
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#### 4. Documentation
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- ✅ `TOOL_INVENTORY.md` - Complete tool catalog
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- ✅ `ROUTER_ARCHITECTURE.md` - Design specification
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- ✅ `ROUTER_IMPLEMENTATION_STATUS.md` - This file
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### Current State
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**Status:** ✅ **Router Infrastructure Complete**
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**Build:** ✅ Compiles successfully (`npm run build`)
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**Tool Count:**
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- Total Tools: 59 (ALL still registered and visible)
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- Direct Tools: 12
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- Routed Tools: 47
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- Router Tools: 4
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- **Currently Visible to Claude:** 63 tools (59 + 4 router)
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**Token Impact:**
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- **Current:** ~42K tokens (still showing all tools)
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- **Target:** ~12K tokens (Phase 2 optimization)
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- **Potential Savings:** ~30K tokens (71% reduction)
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## 🔄 Phase 2: Token Optimization (Next Step)
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### Objective
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Hide routed tools from Claude's context while keeping them accessible via `execute_tool`.
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### Two Approaches
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#### Option A: Registration Filtering (Recommended)
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Modify tool registration to conditionally register tools based on whether they're in the direct list.
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**Changes needed:**
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1. Update each `register*Tools` function to check `isDirectTool()`
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2. Only call `server.tool()` for direct tools
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3. Routed tools remain accessible via `execute_tool` calling `callKicadScript`
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**Pros:**
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- Clean separation
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- True token savings
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- No behavior changes
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**Cons:**
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- Requires modifying 9 tool files
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#### Option B: MCP Filter (If Supported)
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If MCP SDK supports tool filtering/hiding, use that instead.
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**Pros:**
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- No tool file changes
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- Centralized control
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**Cons:**
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- May not be supported by SDK
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- Needs investigation
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### Implementation Plan for Phase 2
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1. **Create Helper Function** (`src/tools/conditional-register.ts`)
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```typescript
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export function registerToolConditionally(
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server: McpServer,
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toolName: string,
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definition: ToolDefinition,
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handler: Function
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) {
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if (isDirectTool(toolName)) {
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// Register with MCP (visible to Claude)
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server.tool(toolName, definition, handler);
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} else {
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// Register handler for execute_tool (hidden from Claude)
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registerToolHandler(toolName, handler);
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}
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}
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```
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2. **Update Tool Registration Functions**
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Modify each `register*Tools` function to use conditional registration.
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3. **Test**
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- Verify direct tools work normally
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- Verify routed tools work via `execute_tool`
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- Verify token count reduction
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4. **Measure Impact**
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Count tools visible to Claude before/after.
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## 📊 Categories & Distribution
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| Category | Tools | Description |
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|----------|-------|-------------|
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| **board** | 9 | Board configuration, layers, zones, visualization |
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| **component** | 8 | Advanced component operations |
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| **export** | 8 | Manufacturing file generation |
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| **drc** | 9 | Design rule checking & validation |
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| **schematic** | 9 | Schematic editor operations |
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| **library** | 4 | Footprint library access |
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| **routing** | 3 | Advanced routing (vias, copper pours) |
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| **TOTAL** | **47** | **Routed tools** |
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| **direct** | **12** | **Always visible tools** |
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| **router** | **4** | **Discovery tools** |
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## 🧪 Testing the Router
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### Test 1: List Categories
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```
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User: "What tool categories are available?"
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Expected: Claude calls list_tool_categories
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Result: Returns 7 categories with descriptions
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```
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### Test 2: Browse Category
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```
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User: "What export tools are available?"
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Expected: Claude calls get_category_tools({ category: "export" })
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Result: Returns 8 export tools
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```
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### Test 3: Search Tools
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```
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User: "How do I export gerber files?"
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Expected: Claude calls search_tools({ query: "gerber" })
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Result: Finds export_gerber in export category
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```
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### Test 4: Execute Tool
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```
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User: "Export gerbers to ./output"
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Expected: Claude calls execute_tool({
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tool_name: "export_gerber",
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params: { outputDir: "./output" }
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})
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Result: Executes via router, returns gerber export result
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```
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## 📝 Benefits Achieved (Phase 1)
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1. ✅ **Foundation Ready**: All infrastructure in place
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2. ✅ **Organized**: 59 tools categorized into logical groups
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3. ✅ **Discoverable**: Tools easily found via search/browse
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4. ✅ **Backwards Compatible**: All existing tools still work
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5. ✅ **Extensible**: Easy to add new tools and categories
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6. ✅ **Documented**: Complete architecture and usage docs
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## 🚀 Next Actions
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1. **Optional: Complete Phase 2** (Token Optimization)
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- Implement conditional registration
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- Hide routed tools from context
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- Achieve 71% token reduction
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2. **Or: Ship Phase 1 As-Is**
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- Router tools work perfectly now
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- Users can discover and execute tools
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- Optimization can be done later
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- No breaking changes
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## 📚 Related Files
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- `src/tools/registry.ts` - Tool registry and categories
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- `src/tools/router.ts` - Router tool implementations
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- `src/server.ts` - Server integration
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- `docs/TOOL_INVENTORY.md` - Complete tool list
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- `docs/ROUTER_ARCHITECTURE.md` - Design specification
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- `docs/mcp-router-guide.md` - Original implementation guide
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## 💡 Usage Example
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```typescript
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// User: "I need to export gerber files"
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// Claude's interaction:
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// 1. Sees "export" and "gerber" keywords
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// 2. Calls search_tools({ query: "gerber" })
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// → Returns: { category: "export", tool: "export_gerber", ... }
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// 3. Calls execute_tool({
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// tool_name: "export_gerber",
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// params: { outputDir: "./gerbers" }
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// })
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// → Executes and returns result
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// 4. "I've exported your Gerber files to ./gerbers/"
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```
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## Status Summary
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✅ **Router Pattern: IMPLEMENTED**
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✅ **Build: PASSING**
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✅ **Backwards Compatible: YES**
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⏳ **Token Optimization: PENDING (Phase 2)**
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The router infrastructure is complete and functional. The system now supports tool discovery and organized access to all 59 tools. Phase 2 optimization (hiding routed tools) can be implemented when ready for maximum token savings.
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