# Diagrams.so API + MCP vs Whimsical MCP (slim)

> Diagrams.so API + MCP has a score of 60.1 (C) against Whimsical MCP's 52.7 (D). Both do diagram create. The largest gap is agent ergonomics, 39 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/diagrams-so-vs-whimsical.md (~1,550 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/diagrams-so-vs-whimsical.json · canonical https://www.anchorterminal.com/compare/diagrams-so-vs-whimsical
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

Diagrams.so API + MCP has a score of 60.1 (C) against Whimsical MCP's 52.7 (D). Both do diagram create. The largest gap is agent ergonomics, 39 points.

- Diagrams.so API + MCP: C 60.1, rank #255 of 452 · https://www.anchorterminal.com/tools/diagrams-so.min.md
- Whimsical MCP: D 52.7, rank #341 of 452 · https://www.anchorterminal.com/tools/whimsical.min.md
- Pick Diagrams.so API + MCP for schema & documentation (+31), agent ergonomics (+39), security & auth (+9), payments & pricing (+7), maintenance & community (+15). Pick Whimsical MCP for reliability (+30).

| Category | Diagrams.so API + MCP | Whimsical MCP |
| --- | --- | --- |
| Reliability (16%) | 30 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 54 |
| Agent ergonomics (13%) | 85 | 46 |
| Security & auth (14%) | 67 | 58 |
| Payments & pricing (10%) | 32 | 25 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 71 | 56 |
| Transparency & trust (7%) | 75 | 72 |