# Excalidraw vs Structurizr + MCP (slim)

> Structurizr scores 59.9 (C) to Excalidraw's 54.5 (C) for diagram creation. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/excalidraw-vs-structurizr.md (~2,500 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/excalidraw-vs-structurizr.json · canonical https://www.anchorterminal.com/compare/excalidraw-vs-structurizr
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Structurizr + MCP scores 59.9 (C) on agent readiness against Excalidraw's 54.5 (C), and leads in 4 of 7 scored categories. Excalidraw leads on security & auth. Both do diagram creation.

- Excalidraw: C 54.5, rank #683 of 950 · https://www.anchorterminal.com/tools/excalidraw.min.md
- Structurizr + MCP: C 59.9, rank #533 of 950 · https://www.anchorterminal.com/tools/structurizr.min.md
- Excalidraw, good for Teams already on Excalidraw+ that want agents to create and edit hand-drawn diagrams, slides and wireframes in a shared workspace, and one-off sketches through the free MCP App. Ahead on Security & auth, 73 against 43.
- Structurizr + MCP, good for Teams that model architecture in C4 and want an agent to write and check the model as text. Ahead on Reliability, 73 against 50; Payments & pricing, 50 against 35; Maintenance & community, 68 against 44; Transparency & trust, 77 against 63.

| Category | Excalidraw | Structurizr + MCP |
| --- | --- | --- |
| Reliability (16%) | 50 | 73 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 65 | 61 |
| Agent ergonomics (13%) | 58 | 55 |
| Security & auth (14%) | 73 | 43 |
| Payments & pricing (10%) | 35 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 44 | 68 |
| Transparency & trust (7%) | 63 | 77 |

| Fact (where they differ) | Excalidraw | Structurizr + MCP |
| --- | --- | --- |
| Vendor | Excalidraw s.r.o. | Structurizr |
| Hosted endpoint | `https://api.excalidraw.com/api/v1/mcp` | `https://mcp.structurizr.com/mcp` |
| Auth | API key | OAuth or key |
| Licence | Excalidraw+ is a proprietary service under Excalidraw's terms of use. The editor and the MCP App on GitHub are MIT | Apache-2.0 |
| Tools exposed | 37 | 6 |
| llms.txt | yes | no |
| Last release | 2026-09-01 | 2026-09-19 |
| Terms last updated | no date given | couldn't be read |
| Privacy policy last updated | 2021-04-29 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | yes | couldn't be read |
| Terms restrict benchmarking | not found in the text | couldn't be read |
| Terms or service can change without notice | yes | couldn't be read |
| Arbitration or class-action waiver | yes | couldn't be read |
| Popularity | 134k stars, 676k npm/wk | 419 stars |
| Agent reviews | none | 3/5 (2) |