generate_prd

Instructions

Implementation Reference

• src/infrastructure/tools/ai-tasks/GeneratePRDTool.ts:25-80 (handler)

  Main handler function executeGeneratePRD that orchestrates PRD generation using PRDGenerationService, validates completeness, formats response, and handles AI errors gracefully.

  async function executeGeneratePRD(args: GeneratePRDArgs): Promise<MCPResponse> {
    const prdService = new PRDGenerationService();
  
    try {
      // Generate comprehensive PRD from project idea
      const prd = await prdService.generatePRDFromIdea({
        projectIdea: args.projectIdea,
        projectName: args.projectName,
        targetUsers: args.targetUsers,
        timeline: args.timeline,
        complexity: args.complexity,
        author: args.author,
        stakeholders: args.stakeholders
      });
  
      // Validate PRD completeness
      const validation = await prdService.validatePRDCompleteness(prd);
  
      // Format response
      const summary = formatPRDGenerationSummary(prd, validation);
  
      return ToolResultFormatter.formatSuccess('generate_prd', {
        summary,
        prd,
        validation,
        completenessScore: validation.score,
        isComplete: validation.isComplete
      });
  
    } catch (error) {
      process.stderr.write(`Error in generate_prd tool: ${error}\n`);
  
      // Check if this is an AI availability error
      const errorMessage = error instanceof Error ? error.message : 'Unknown error';
      const isAIUnavailable = errorMessage.includes('AI service is not available') ||
                             errorMessage.includes('API key') ||
                             errorMessage.includes('provider');
  
      if (isAIUnavailable) {
        const aiErrorSummary = formatAIUnavailableMessage('generate_prd', errorMessage);
        return ToolResultFormatter.formatSuccess('generate_prd', {
          content: [{ type: 'text', text: aiErrorSummary }],
          success: false,
          aiAvailable: false
        });
      }
  
      return ToolResultFormatter.formatSuccess('generate_prd', {
        content: [{
          type: 'text',
          text: `# Failed to generate PRD\n\n**Error:** ${errorMessage}\n\nPlease check your input parameters and try again.`
        }],
        success: false
      });
    }
  }

• src/infrastructure/tools/ai-tasks/GeneratePRDTool.ts:324-348 (schema)

  Tool definition generatePRDTool including input schema (generatePRDSchema), description, and usage examples for MCP tool registration.

  export const generatePRDTool: ToolDefinition<GeneratePRDArgs> = {
    name: "generate_prd",
    description: "Generate a comprehensive Product Requirements Document (PRD) from a project idea using AI analysis and industry best practices",
    schema: generatePRDSchema as unknown as ToolSchema<GeneratePRDArgs>,
    examples: [
      {
        name: "Generate PRD for task management app",
        description: "Create a comprehensive PRD for a new task management application",
        args: {
          projectIdea: "A modern task management application with AI-powered prioritization, team collaboration features, and integration with popular development tools like GitHub and Slack",
          projectName: "TaskFlow AI",
          targetUsers: ["software developers", "project managers", "small teams"],
          timeline: "6 months",
          complexity: "medium",
          author: "product-team",
          stakeholders: ["engineering", "design", "marketing"],
          includeResearch: true,
          industryContext: "productivity software"
        }
      }
    ]
  };
  
  // Export the execution function for the tool registry
  export { executeGeneratePRD };

• src/infrastructure/tools/ToolRegistry.ts:191-199 (registration)

  Registration of generatePRDTool in the central ToolRegistry singleton during initialization of built-in tools.

  // Register AI task management tools
  this.registerTool(addFeatureTool);
  this.registerTool(generatePRDTool);
  this.registerTool(parsePRDTool);
  this.registerTool(getNextTaskTool);
  this.registerTool(analyzeTaskComplexityTool);
  this.registerTool(expandTaskTool);
  this.registerTool(enhancePRDTool);
  this.registerTool(createTraceabilityMatrixTool);

• src/index.ts:362-363 (registration)

  Dispatcher in main server index.ts that routes call_tool requests for 'generate_prd' directly to executeGeneratePRD.

  case "generate_prd":
    return await executeGeneratePRD(args);

• src/services/PRDGenerationService.ts:26-70 (helper)

  Core helper service method generatePRDFromIdea that performs AI-powered PRD generation and validation, called by the tool handler.

  async generatePRDFromIdea(params: {
    projectIdea: string;
    projectName: string;
    targetUsers?: string[];
    timeline?: string;
    complexity?: 'low' | 'medium' | 'high';
    author: string;
    stakeholders?: string[];
  }): Promise<PRDDocument> {
    try {
      // Validate input
      if (!params.projectIdea.trim()) {
        throw new Error('Project idea is required');
      }
  
      if (!params.projectName.trim()) {
        throw new Error('Project name is required');
      }
  
      // Generate PRD using AI
      const generatedPRD = await this.aiProcessor.generatePRDFromIdea({
        projectIdea: params.projectIdea,
        targetUsers: params.targetUsers?.join(', '),
        timeline: params.timeline,
        complexity: params.complexity
      });
  
      // Enhance with provided metadata
      const enhancedPRD: PRDDocument = {
        ...generatedPRD,
        title: params.projectName,
        author: params.author,
        stakeholders: params.stakeholders || [],
        version: '1.0.0'
      };
  
      // Validate the generated PRD
      const validatedPRD = PRDDocumentSchema.parse(enhancedPRD);
  
      return validatedPRD;
    } catch (error) {
      process.stderr.write(`Error generating PRD from idea: ${error instanceof Error ? error.message : String(error)}\n`);
      throw new Error(`Failed to generate PRD: ${error instanceof Error ? error.message : 'Unknown error'}`);
    }
  }