OpenFlowKit 2 is a free, open-source, local-first architecture diagram canvas. Users can draw, write diagram code, or paste Mermaid, D2, and Structurizr. Claude Code can edit the open canvas live over MCP. It can also map a GitHub repository with file-and-line citations and check diagram drift in CI through a CLI.
Features
- Drawing and multiple diagram-code formats
- Live agent collaboration over MCP
- Repository maps and CI drift checks
Use Cases
- Draw software architecture diagrams
- Let a coding agent update the canvas
- Check diagrams against code changes
FAQ
OpenFlowKit 2 is a free, open-source, local-first architecture diagram canvas. Users can draw, write diagram code, or paste Mermaid, D2, and Structurizr. Claude Code can edit the open canvas live over MCP. It can also map a GitHub repository with file-and-line citations and check diagram drift in CI through a CLI. Core capabilities include: Drawing and multiple diagram-code formats, Live agent collaboration over MCP, Repository maps and CI drift checks.
Common scenarios include: Draw software architecture diagrams, Let a coding agent update the canvas, Check diagrams against code changes.
