Documentation Generator MCP Server

{ "META_DOCUMENTATION": { "feature_name": "test-after-refactor", "version": "1.0.0", "status": "complete", "generated_by": "Claude Code AI", "generated_at": "2025-10-16T09:40:00", "has_context": true, "has_analysis": false }, "UNIVERSAL_PLANNING_STRUCTURE": { "0_preparation": { "project_context": { "project_name": "docs-mcp", "project_type": "MCP server for documentation generation", "primary_language": "Python 3.11+", "framework": "MCP Protocol 1.0", "current_version": "2.0.1" }, "foundation_docs": { "available": [ "README.md", "CLAUDE.md", "user-guide.md", "index.html", "CHANGELOG.json" ], "missing": [] }, "coding_standards": { "available": [], "notes": "Code follows PEP 8, uses type hints, async/await patterns" }, "reference_components": { "primary": [ "handler_decorators.py - Decorator implementations", "handler_helpers.py - Helper functions", "tool_handlers.py - All 21 refactored handlers", "server.py - MCP server entry point" ], "secondary": [ "error_responses.py - ErrorResponse factory", "validation.py - Input validation", "logger_config.py - Structured logging" ] }, "technology_stack": { "runtime": "Python 3.11+", "protocol": "MCP 1.0", "testing": "Direct async function calls", "logging": "Python logging module" }, "key_patterns": [ "Decorator pattern for cross-cutting concerns", "Factory pattern for error responses", "Registry pattern for handler dispatch", "Async/await for all handlers" ], "gaps_and_risks": [ "No pytest installed for formal test suite", "Manual testing required via Python scripts", "Windows console emoji encoding issues", "Need to verify MCP client compatibility" ] }, "1_executive_summary": { "overview": "Comprehensive testing of the docs-mcp server following a major decorator refactor that reduced code by 489 lines (22.5%) across 21 handlers. The refactor extracted error handling and logging into reusable decorators, moving implementations to separate modules.", "problem_statement": "The decorator refactor (Phase 1: applied decorators, Phase 2: extracted to modules) may have introduced breaking changes, performance regressions, or functional issues. All 23 MCP tool handlers must be verified to work correctly through the MCP interface.", "proposed_solution": "Execute a comprehensive test plan covering handler execution, decorator functionality, error handling, input validation, JSON responses, performance measurement, and MCP interface compatibility. Tests will run through actual MCP call_tool interface to simulate real-world usage.", "success_definition": "All 23 handlers execute without errors, decorator overhead <1ms, error handling works, input validation catches invalid inputs, 100% backward compatibility maintained", "estimated_effort": "2-3 hours (test script creation: 1h, execution: 30min, documentation: 1h)", "dependencies": [ "Server must start without import errors", "TEMPLATES_DIR must be initialized by server.py", "All handler modules must import successfully" ] }, "2_risk_assessment": { "technical_risks": [ { "risk": "Decorator stacking order incorrect", "severity": "high", "likelihood": "low", "mitigation": "Already verified @log_invocation (outer) → @mcp_error_handler (inner) order is correct", "impact": "Would cause logging to miss errors or errors to not be caught" }, { "risk": "TEMPLATES_DIR not initialized before handler calls", "severity": "critical", "likelihood": "low", "mitigation": "server.py calls set_templates_dir() on line 49, already verified working", "impact": "Would cause AttributeError: 'NoneType' object has no attribute 'exists'" }, { "risk": "Error handling broken by decorators", "severity": "high", "likelihood": "low", "mitigation": "Test with invalid inputs to verify ErrorResponse objects returned", "impact": "Uncaught exceptions would crash handlers" }, { "risk": "Performance regression from decorator overhead", "severity": "medium", "likelihood": "low", "mitigation": "Measure average call time, target <1ms overhead", "impact": "Slower handler execution could impact user experience" } ], "timeline_risks": [ { "risk": "Testing reveals critical bugs requiring code changes", "severity": "medium", "likelihood": "low", "mitigation": "Initial verification already passed, unlikely to find new issues", "impact": "Would require additional refactor iteration" } ], "security_risks": [ { "risk": "Input validation compromised by decorator changes", "severity": "high", "likelihood": "very-low", "mitigation": "Validation happens before decorators, unchanged by refactor", "impact": "Could allow path traversal or injection attacks" } ] }, "3_current_state_analysis": { "what_exists_now": [ "handler_decorators.py - 188 lines with @mcp_error_handler and @log_invocation", "handler_helpers.py - 49 lines with format_success_response()", "tool_handlers.py - 1679 lines (reduced from 2168) with 21 refactored handlers", "TOOL_HANDLERS registry - All 23 handlers registered", "Comprehensive decorator documentation in CLAUDE.md Section 5" ], "what_needs_modification": [], "what_needs_creation": [ "test_comprehensive_verification.py - Main test script", "test_results.md - Test execution report", "test_performance.py - Performance benchmark script (optional)" ], "compatibility_considerations": [ "Must maintain 100% backward compatibility with existing MCP clients", "All tool input schemas unchanged", "All tool output formats unchanged", "Error response formats unchanged" ], "migration_strategy": "No migration needed - this is verification only, no code changes" }, "4_key_features": { "feature_1": { "name": "Handler Execution Verification", "description": "Test all 23 MCP tool handlers execute without errors through the MCP call_tool interface", "capabilities": [ "Execute list_templates (no arguments)", "Execute get_template (with template_name)", "Execute get_planning_template (JSON response)", "Execute update_changelog (meta-tool)", "Execute get_changelog (with validation)" ], "acceptance_criteria": [ "All handlers return list[TextContent]", "No unhandled exceptions raised", "Response types match expectations (text, json)", "Handler registry complete (23 entries)" ] }, "feature_2": { "name": "Decorator Functionality Verification", "description": "Verify @log_invocation and @mcp_error_handler decorators work correctly", "capabilities": [ "Check log entries created for each invocation", "Verify log_tool_call() called with handler name", "Confirm error logging includes context", "Validate decorator stacking order preserved" ], "acceptance_criteria": [ "Logs show 'Tool called: {handler_name}' for each invocation", "Error logs show '{handler_name}_error' for exceptions", "functools.wraps preserves function metadata", "Async compatibility maintained" ] }, "feature_3": { "name": "Error Handling Verification", "description": "Test that decorators properly catch exceptions and return ErrorResponse objects", "capabilities": [ "Test with invalid template name (FileNotFoundError)", "Test with invalid project path (ValueError)", "Test with malformed JSON (JSONDecodeError)", "Test with missing required fields (ValueError)" ], "acceptance_criteria": [ "All exceptions caught by decorator", "ErrorResponse factory methods called", "Error responses contain helpful messages", "No uncaught exceptions propagate" ] }, "feature_4": { "name": "Performance Measurement", "description": "Measure decorator overhead to ensure <1ms target met", "capabilities": [ "Benchmark 100+ handler calls", "Calculate average execution time", "Compare with baseline (if available)", "Identify performance bottlenecks" ], "acceptance_criteria": [ "Average call time <1ms per handler", "Decorator overhead negligible", "No memory leaks from repeated calls", "Performance acceptable for production use" ] }, "feature_5": { "name": "MCP Interface Compatibility", "description": "Verify handlers work through actual MCP call_tool interface, not just direct calls", "capabilities": [ "Test through server.call_tool() function", "Verify MCP protocol compliance", "Check TextContent response format", "Validate tool schema compatibility" ], "acceptance_criteria": [ "All handlers accessible via MCP interface", "Response format matches MCP spec", "No breaking changes to tool schemas", "Claude Code can invoke all tools" ] } }, "5_task_id_system": { "prefix": "TEST", "format": "TEST-XXX (e.g., TEST-001, TEST-002)", "categories": { "TEST-0XX": "Test script creation and setup", "TEST-1XX": "Handler execution tests", "TEST-2XX": "Decorator functionality tests", "TEST-3XX": "Error handling tests", "TEST-4XX": "Performance measurement tests", "TEST-5XX": "Documentation and reporting" }, "task_list": [ { "id": "TEST-001", "description": "Create comprehensive test script with all test cases", "estimated_time": "30 minutes" }, { "id": "TEST-002", "description": "Set up test environment and verify imports work", "estimated_time": "10 minutes" }, { "id": "TEST-101", "description": "Test all 23 handlers execute without errors", "estimated_time": "15 minutes" }, { "id": "TEST-102", "description": "Verify handler registry completeness", "estimated_time": "5 minutes" }, { "id": "TEST-103", "description": "Test handlers with valid arguments", "estimated_time": "10 minutes" }, { "id": "TEST-201", "description": "Verify @log_invocation creates log entries", "estimated_time": "10 minutes" }, { "id": "TEST-202", "description": "Verify @mcp_error_handler catches exceptions", "estimated_time": "10 minutes" }, { "id": "TEST-203", "description": "Check decorator stacking order correct", "estimated_time": "5 minutes" }, { "id": "TEST-301", "description": "Test error handling with invalid inputs", "estimated_time": "15 minutes" }, { "id": "TEST-302", "description": "Verify ErrorResponse factory methods called", "estimated_time": "10 minutes" }, { "id": "TEST-303", "description": "Test input validation catches invalid paths/values", "estimated_time": "10 minutes" }, { "id": "TEST-401", "description": "Benchmark handler call performance (100+ iterations)", "estimated_time": "10 minutes" }, { "id": "TEST-402", "description": "Calculate decorator overhead and verify <1ms", "estimated_time": "5 minutes" }, { "id": "TEST-501", "description": "Generate test results report (test_results.md)", "estimated_time": "20 minutes" }, { "id": "TEST-502", "description": "Update CHANGELOG.json with test verification entry", "estimated_time": "10 minutes" } ] }, "6_implementation_phases": { "phase_1": { "name": "Test Infrastructure Setup", "duration": "1 hour", "tasks": ["TEST-001", "TEST-002"], "deliverables": [ "test_comprehensive_verification.py script", "Test environment verified", "All imports working" ], "dependencies": [], "parallel_work": [], "risks": [ "Import errors if modules not found", "TEMPLATES_DIR initialization issues" ] }, "phase_2": { "name": "Handler Execution Tests", "duration": "30 minutes", "tasks": ["TEST-101", "TEST-102", "TEST-103"], "deliverables": [ "All 23 handlers tested", "Registry verification complete", "Valid argument tests passing" ], "dependencies": ["phase_1"], "parallel_work": [], "risks": [ "Handler failures requiring code fixes", "Missing handlers in registry" ] }, "phase_3": { "name": "Decorator and Error Handling Tests", "duration": "45 minutes", "tasks": ["TEST-201", "TEST-202", "TEST-203", "TEST-301", "TEST-302", "TEST-303"], "deliverables": [ "Decorator logging verified", "Error handling verified", "Input validation verified" ], "dependencies": ["phase_2"], "parallel_work": [ "Can run decorator tests and error tests in parallel" ], "risks": [ "Decorator issues requiring refactor changes", "Error handling broken" ] }, "phase_4": { "name": "Performance Measurement", "duration": "15 minutes", "tasks": ["TEST-401", "TEST-402"], "deliverables": [ "Performance benchmarks", "Decorator overhead measurement", "Verification of <1ms target" ], "dependencies": ["phase_2"], "parallel_work": [ "Can run independently of phase_3" ], "risks": [ "Performance regression detected" ] }, "phase_5": { "name": "Documentation and Reporting", "duration": "30 minutes", "tasks": ["TEST-501", "TEST-502"], "deliverables": [ "test_results.md report", "CHANGELOG.json updated", "Test verification documented" ], "dependencies": ["phase_2", "phase_3", "phase_4"], "parallel_work": [], "risks": [] } }, "7_testing_strategy": { "unit_tests": [ { "test_name": "test_handler_execution", "scope": "All 23 handlers", "approach": "Call each handler through MCP interface with valid arguments", "validation": "Assert no exceptions, returns list[TextContent]" }, { "test_name": "test_decorator_logging", "scope": "@log_invocation decorator", "approach": "Check logs after handler execution", "validation": "Assert log entries contain 'Tool called: {handler_name}'" }, { "test_name": "test_error_handling", "scope": "@mcp_error_handler decorator", "approach": "Call handlers with invalid inputs", "validation": "Assert ErrorResponse returned, no uncaught exceptions" }, { "test_name": "test_input_validation", "scope": "validation.py functions", "approach": "Test with invalid paths, versions, template names", "validation": "Assert ValueError raised or ErrorResponse returned" } ], "integration_tests": [ { "test_name": "test_mcp_interface", "scope": "server.call_tool() function", "approach": "Invoke handlers through MCP protocol", "validation": "Verify MCP compliance and response format" }, { "test_name": "test_templates_dir_injection", "scope": "TEMPLATES_DIR initialization", "approach": "Verify set_templates_dir() called by server.py", "validation": "Assert TEMPLATES_DIR is not None and exists" } ], "performance_tests": [ { "test_name": "benchmark_decorator_overhead", "scope": "Decorator performance", "approach": "Measure 100+ handler calls, calculate average", "validation": "Assert average time <1ms per call" } ], "edge_cases": [ "Empty arguments dict", "Missing required parameters", "Invalid data types (string instead of list)", "Path traversal attempts (../../etc/passwd)", "Very long strings (>10000 chars)", "Unicode characters in inputs", "Null/None values" ], "test_data": { "valid_project_path": "C:/Users/willh/.mcp-servers/docs-mcp", "invalid_project_path": "/this/does/not/exist/xyz123", "valid_template_name": "readme", "invalid_template_name": "nonexistent_template_xyz", "valid_version": "1.0.0", "invalid_version": "v1.0.0" } }, "8_success_criteria": { "must_have": [ "All 23 handlers execute without errors", "Decorator overhead <1ms per call", "Error handling returns ErrorResponse objects", "Input validation catches invalid inputs", "100% backward compatibility maintained", "Handler registry complete (23 entries)" ], "should_have": [ "Comprehensive test report (test_results.md)", "Performance benchmarks documented", "All test cases passing", "Changelog entry added" ], "nice_to_have": [ "Automated test suite for future refactors", "CI/CD integration for continuous testing", "Performance comparison with pre-refactor baseline" ], "measurable_outcomes": { "handler_success_rate": "100% (23/23 handlers)", "decorator_overhead": "<1ms average", "error_handling_coverage": "100% (all exception types caught)", "test_execution_time": "<5 minutes total", "backward_compatibility": "100% (no breaking changes)" } }, "9_implementation_checklist": { "phase_1_checklist": [ { "task": "Create test_comprehensive_verification.py", "status": "pending", "assigned_to": "AI Assistant", "notes": "Include all test cases from testing_strategy" }, { "task": "Verify imports work (server, tool_handlers)", "status": "pending", "assigned_to": "AI Assistant", "notes": "Check for ImportError or ModuleNotFoundError" }, { "task": "Verify TEMPLATES_DIR initialized", "status": "pending", "assigned_to": "AI Assistant", "notes": "Assert tool_handlers.TEMPLATES_DIR is not None" } ], "phase_2_checklist": [ { "task": "Test list_templates handler", "status": "pending", "assigned_to": "AI Assistant", "notes": "No arguments required" }, { "task": "Test get_template handler", "status": "pending", "assigned_to": "AI Assistant", "notes": "With valid template_name" }, { "task": "Test get_planning_template handler", "status": "pending", "assigned_to": "AI Assistant", "notes": "Verify JSON response" }, { "task": "Test update_changelog handler", "status": "pending", "assigned_to": "AI Assistant", "notes": "Meta-tool test" }, { "task": "Verify TOOL_HANDLERS registry", "status": "pending", "assigned_to": "AI Assistant", "notes": "Assert len(TOOL_HANDLERS) == 23" } ], "phase_3_checklist": [ { "task": "Test @log_invocation decorator", "status": "pending", "assigned_to": "AI Assistant", "notes": "Check logs for 'Tool called:' entries" }, { "task": "Test @mcp_error_handler with invalid input", "status": "pending", "assigned_to": "AI Assistant", "notes": "Use invalid template name" }, { "task": "Test error handling with invalid path", "status": "pending", "assigned_to": "AI Assistant", "notes": "Should return ErrorResponse" }, { "task": "Test input validation catches invalid version", "status": "pending", "assigned_to": "AI Assistant", "notes": "Try 'v1.0.0' instead of '1.0.0'" } ], "phase_4_checklist": [ { "task": "Benchmark 100 handler calls", "status": "pending", "assigned_to": "AI Assistant", "notes": "Use time.perf_counter()" }, { "task": "Calculate average execution time", "status": "pending", "assigned_to": "AI Assistant", "notes": "Should be <1ms" }, { "task": "Document performance results", "status": "pending", "assigned_to": "AI Assistant", "notes": "Include in test_results.md" } ], "phase_5_checklist": [ { "task": "Generate test_results.md report", "status": "pending", "assigned_to": "AI Assistant", "notes": "Include all test results and metrics" }, { "task": "Add changelog entry for test verification", "status": "pending", "assigned_to": "AI Assistant", "notes": "Use add_changelog_entry MCP tool" }, { "task": "Review and sign off on test completion", "status": "pending", "assigned_to": "User", "notes": "User approval required" } ] } } }