# Diagrams.so API + MCP vs draw.io + MCP (slim)

> draw.io + MCP has a score of 62.4 (B) against Diagrams.so API + MCP's 60.1 (C). Both do diagram create. The largest gap is agent ergonomics, 36 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/diagrams-so-vs-drawio.md (~1,600 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/diagrams-so-vs-drawio.json · canonical https://www.anchorterminal.com/compare/diagrams-so-vs-drawio
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

draw.io + MCP has a score of 62.4 (B) against Diagrams.so API + MCP's 60.1 (C). Both do diagram create. The largest gap is agent ergonomics, 36 points.

- Diagrams.so API + MCP: C 60.1, rank #255 of 452 · https://www.anchorterminal.com/tools/diagrams-so.min.md
- draw.io + MCP: B 62.4, rank #219 of 452 · https://www.anchorterminal.com/tools/drawio.min.md
- Pick Diagrams.so API + MCP for agent ergonomics (+36), security & auth (+12). Pick draw.io + MCP for reliability (+20), payments & pricing (+28), maintenance & community (+15).

| Category | Diagrams.so API + MCP | draw.io + MCP |
| --- | --- | --- |
| Reliability (16%) | 30 | 50 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 82 |
| Agent ergonomics (13%) | 85 | 49 |
| Security & auth (14%) | 67 | 55 |
| Payments & pricing (10%) | 32 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 71 | 86 |
| Transparency & trust (7%) | 75 | 74 |