AI Charts

AI-powered flowchart, ERD, and swimlane diagram builder with a built-in AI assistant and an MCP server exposing 18+ tools for external AI integration. Works with any OpenAI-compatible LLM — no vendor lock-in.

Solo DeveloperNew Paradigm Web DevelopmentMarch 2026 - Present2 months

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About This Project

AI Charts combines a conversational AI assistant for rapid chart creation with a composable MCP server that lets external AI tools like Claude Desktop and Cursor create and manage diagrams programmatically. Supports flowcharts, ERDs, swimlane diagrams, mind maps, and sequence diagrams with ELK-based auto-layout, structural validation, cycle detection, and export to Mermaid, Markdown, and PDF.

Key Achievements

Designed and built a composable MCP server with 18+ tools enabling any AI assistant to create and manipulate diagrams programmatically
Implemented agentic tool-calling loops where the AI assistant iteratively builds charts through multi-step function calls — add nodes, edges, groups, validate, and auto-layout in a single conversation turn
Built with full LLM provider abstraction — works identically with Ollama (local), OpenAI, Groq, or any OpenAI-compatible endpoint with zero code changes
ELK-based auto-layout engine with cycle detection, reachability analysis, and structural validation for complex diagram types
Full revision history with event-sourced undo/redo tracking across all operations
Portable ZIP project archives and multi-format export (Mermaid syntax, Markdown summaries, PDF)

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