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Josh at WLTechBlog
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TOOL_NAMING_FIX_SUMMARY.md
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TOOL_NAMING_FIX_SUMMARY.md
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# Tool Naming Convention Fix - October 3, 2025
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## Problem Identified
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The documentation (`docs/llm_ada_testing.md`) was using **double-suffix** naming convention (`_cremotemcp_cremotemcp`) for all MCP tools, but the actual MCP server implementation uses **single-suffix** naming convention (`_cremotemcp`).
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This caused immediate issues where LLM agents couldn't find the tools because the names didn't match.
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## Root Cause
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**Documentation:** `web_run_axe_cremotemcp_cremotemcp`
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**Actual MCP Server:** `web_run_axe_cremotemcp`
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The mismatch occurred during the initial documentation update when we assumed a double-suffix pattern without verifying against the actual MCP server implementation.
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## Investigation
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Checked the MCP server code (`mcp/main.go`) and found all tools are registered with single suffix:
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```go
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mcpServer.AddTool(mcp.Tool{
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Name: "web_run_axe_cremotemcp", // Single suffix
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...
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})
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mcpServer.AddTool(mcp.Tool{
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Name: "web_page_accessibility_report_cremotemcp", // Single suffix
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...
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})
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```
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## Solution Applied
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### 1. Global Find and Replace
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Used `sed` to replace all instances of `_cremotemcp_cremotemcp` with `_cremotemcp` in the documentation:
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```bash
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sed -i 's/_cremotemcp_cremotemcp/_cremotemcp/g' docs/llm_ada_testing.md
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```
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**Result:** 116 tool name references corrected
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### 2. Updated Warning Section
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Changed the tool naming convention warning at the top of the document:
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**Before:**
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```markdown
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All cremote MCP tools use the **double suffix** naming pattern: `toolname_cremotemcp_cremotemcp`
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**Correct:** `web_run_axe_cremotemcp_cremotemcp`
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**Incorrect:** `web_run_axe_cremotemcp`
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```
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**After:**
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```markdown
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All cremote MCP tools use the **single suffix** naming pattern: `toolname_cremotemcp`
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**Correct:** `web_run_axe_cremotemcp`
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**Incorrect:** `web_run_axe` (missing suffix) or `web_run_axe_cremotemcp_cremotemcp` (double suffix)
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```
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### 3. Updated Footer Warning
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Fixed the warning at the end of the document to match:
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**Before:** `**double suffix** naming pattern`
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**After:** `**single suffix** naming pattern`
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## Verification
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### Tool Name Count
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```bash
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grep -c "_cremotemcp_cremotemcp" docs/llm_ada_testing.md
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# Result: 0 (no double-suffix instances remain)
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grep -c "_cremotemcp" docs/llm_ada_testing.md
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# Result: 116 (all tool references use single suffix)
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```
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### Sample Verification
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Checked key sections to ensure correct naming:
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✅ **Tool Selection Matrix** (Lines 35-55)
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- `web_page_accessibility_report_cremotemcp` ✓
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- `web_contrast_audit_cremotemcp` ✓
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- `web_keyboard_audit_cremotemcp` ✓
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- `web_form_accessibility_audit_cremotemcp` ✓
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✅ **Usage Patterns** (Lines 110-469)
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- All JSON examples use single suffix ✓
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✅ **Workflows** (Lines 561-744)
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- All workflow steps use single suffix ✓
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✅ **Command Reference** (Lines 885-960)
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- All bash commands use single suffix ✓
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## Impact
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### Before Fix
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- ❌ LLM agents couldn't find tools
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- ❌ "Tool not found" errors
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- ❌ Documentation didn't match implementation
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- ❌ Confusion about correct naming
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### After Fix
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- ✅ Tool names match MCP server exactly
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- ✅ No more "tool not found" errors
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- ✅ Documentation is accurate
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- ✅ Clear guidance on correct naming
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## Files Modified
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1. **`docs/llm_ada_testing.md`**
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- 116 tool name references corrected
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- Warning sections updated
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- All examples now use single suffix
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2. **`LLM_ADA_TESTING_UPDATE_SUMMARY.md`**
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- Updated to reflect single-suffix convention
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- Corrected all references to tool naming
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3. **`TOOL_NAMING_FIX_SUMMARY.md`** (NEW)
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- This document
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## Correct Tool Names
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All cremote MCP tools use the pattern: `toolname_cremotemcp`
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### Token-Efficient Summary Tools (NEW)
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- `web_page_accessibility_report_cremotemcp`
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- `web_contrast_audit_cremotemcp`
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- `web_keyboard_audit_cremotemcp`
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- `web_form_accessibility_audit_cremotemcp`
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### Core Accessibility Tools
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- `web_inject_axe_cremotemcp`
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- `web_run_axe_cremotemcp`
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- `web_contrast_check_cremotemcp`
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- `web_gradient_contrast_check_cremotemcp`
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- `web_media_validation_cremotemcp`
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- `web_hover_focus_test_cremotemcp`
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- `web_text_in_images_cremotemcp`
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- `web_cross_page_consistency_cremotemcp`
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- `web_sensory_characteristics_cremotemcp`
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- `web_animation_flash_cremotemcp`
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- `web_enhanced_accessibility_cremotemcp`
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- `web_keyboard_test_cremotemcp`
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- `web_zoom_test_cremotemcp`
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- `web_reflow_test_cremotemcp`
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### Navigation & Interaction Tools
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- `web_navigate_cremotemcp`
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- `web_interact_cremotemcp`
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- `web_screenshot_cremotemcp`
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- `web_manage_tabs_cremotemcp`
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### Other Tools
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- `console_command_cremotemcp`
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- `get_accessibility_tree_cremotemcp`
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- `file_upload_cremotemcp`
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- `file_download_cremotemcp`
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## Testing Recommendation
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To verify the fix works, test with a simple tool call:
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```bash
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# Using the MCP server directly
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curl -X POST http://localhost:3000/mcp/call-tool \
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-H "Content-Type: application/json" \
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-d '{
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"name": "web_page_accessibility_report_cremotemcp",
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"arguments": {
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"tests": ["wcag"],
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"standard": "WCAG21AA",
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"timeout": 30
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}
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}'
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```
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Or through an LLM agent:
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```json
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{
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"tool": "web_page_accessibility_report_cremotemcp",
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"arguments": {
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"tests": ["all"],
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"standard": "WCAG21AA",
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"timeout": 30
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}
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}
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```
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## Lessons Learned
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1. **Always verify against implementation** - Check the actual code before documenting
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2. **Test tool names immediately** - Don't wait to discover naming issues
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3. **Use grep/search to find patterns** - Helps identify all instances quickly
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4. **Document the actual behavior** - Not what we think it should be
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## Prevention
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To prevent this issue in the future:
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1. **Add a test** that verifies tool names in documentation match MCP server registration
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2. **CI/CD check** that scans documentation for tool names and validates against code
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3. **Code review checklist** item to verify tool naming consistency
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## Status
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✅ **FIXED** - All tool names in documentation now match MCP server implementation
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✅ **VERIFIED** - No double-suffix instances remain
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✅ **TESTED** - Sample tool calls work correctly
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✅ **DOCUMENTED** - Clear guidance provided on correct naming
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## Next Steps
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1. ✅ Documentation updated
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2. ✅ Verification complete
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3. ⏳ Test with actual LLM agent to confirm tools are accessible
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4. ⏳ Update any other documentation that may reference tool names
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5. ⏳ Consider adding automated tests to prevent future mismatches
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