← Use cases · Coding agents & IDE assistants
AI agent tools for diagrams
Short answer: Our top pick for diagrams: archify, with the highest AgentPick Score (91/100) among tools tagged "diagrams". Runners-up: fireworks-tech-graph (66) and diagram-design (64). Compare what each does, its license and how recently it was updated below.
| # | Tool | What it does | Score | Stars | License | Updated |
|---|---|---|---|---|---|---|
| #1 | archify | Turn any idea, plan, or codebase into a beautiful interactive diagram. An agent skill for Claude Code, Codex, and more. | 91/100 | ★ 84k | MIT | 14 Oct 2026 |
| #2 | fireworks-tech-graph | Generate production-quality SVG+PNG technical diagrams from natural language. 7 styles, UML support, and AI/Agent workflow patterns. | 66/100 | ★ 12k | MIT | 5 Sept 2026 |
| #3 | diagram-design | Editorial diagram design for Claude Code, Codex, GitHub Copilot, Cursor, Factory Droid, and Pi. 44 diagram types. Self-contained HTML + SVG. No shadow… | 64/100 | ★ 55k | MIT | 14 Oct 2026 |
| #4 | drawio-ai-kit | Teach your AI to draw correct, beautiful draw.io diagrams — declarative layout engine, ground-truth stencils, structural validator, vision self-check.… | 63/100 | ★ 657 | MIT | 12 Oct 2026 |
| #5 | CharDesk | A Unicode canvas for humans and AI. Draw diagrams, interfaces, and slides as editable text. | 63/100 | ★ 453 | MIT | 14 Oct 2026 |
| #6 | svg-diagram | Agent skill that draws architecture, flowchart, sequence, data-flow and lifecycle diagrams as hand-placed SVG, to one linted house style. | 39/100 | ★ 626 | MIT | 3 Sept 2026 |
| #7 | drawio-scientific-illustrator | Live MCP control of the visible draw.io canvas for step-by-step scientific illustration in Codex. | 38/100 | ★ 1.4k | MIT | 30 Jul 2026 |
| #8 | oh-my-mermaid | Turn complex codebases into clear, navigable architecture diagrams with Claude Code. | 30/100 | ★ 3.1k | MIT | 7 Apr 2026 |
Source: each project's public GitHub repository (description, stars, license, last push). Listed tools aren't tested or ranked by AgentPick.
How to choose
- Check which models and providers it supports.
- Prefer tools that show diffs and ask before running commands.
- Look for recent commits: coding agents change fast.
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