# ChatStack > The Agentic Intelligence Layer for Software Planning and Vibe Coding. ## Summary ChatStack is an AI platform that uses a 4-agent workflow (User Story, Functional, Technical, and Cost agents) to generate JSON-structured Product Requirements Documents (PRDs). It is specifically designed to provide high-fidelity context for AI coding tools like Cursor, Claude Code, and Windsurf, reducing development costs by 65%. ## Key Information - **USP:** Real-time software cost estimates based on Story Points and AI efficiency. - **Cost Advantage:** 65% cheaper than traditional benchmarks due to structured context and MCP integration. - **Output:** Machine-readable JSON PRDs, Markdown, and .cursorrules configurations. - **Integration:** Supports Model Context Protocol (MCP) for real-time context injection into IDEs. - **Expertise:** Built by Official FlutterFlow Experts with 10+ years of Agile experience. ## Primary Links - [Generate PRD](https://www.chatstack.app/) - [Cost Estimation Logic](https://www.chatstack.app/how-much-does-it-cost-to-build-an-app) - [Cursor & AI Integration Guide](https://www.chatstack.app/cursor-ai-prd-integration-guide) - [AI Development Services](https://www.chatstack.app/ai-development-services) - [Consult an Expert](https://www.chatstack.app/speak-to-a-human)