# Excalidraw vs Whimsical MCP (slim)

> Excalidraw scores 54.5 (C) to Whimsical MCP's 52.6 (D) for diagram creation. Prices, MCP, x402, uptime and agent notes side by side.

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

Excalidraw scores 54.5 (C) on agent readiness against Whimsical MCP's 52.6 (D), and leads in 4 of 7 scored categories. Whimsical MCP leads on reliability, maintenance & community and transparency & trust. Both do diagram creation.

- Excalidraw: C 54.5, rank #683 of 950 · https://www.anchorterminal.com/tools/excalidraw.min.md
- Whimsical MCP: D 52.6, rank #731 of 950 · https://www.anchorterminal.com/tools/whimsical.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 Schema & documentation, 65 against 54; Agent ergonomics, 58 against 46; Security & auth, 73 against 58; Payments & pricing, 35 against 25. Also Open source.
- Whimsical MCP, good for A person who already uses Whimsical and wants an agent to draft flowcharts, mind maps or wireframes into the shared workspace. Ahead on Reliability, 60 against 50; Maintenance & community, 56 against 44; Transparency & trust, 70 against 63.

| Category | Excalidraw | Whimsical MCP |
| --- | --- | --- |
| Reliability (16%) | 50 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 65 | 54 |
| Agent ergonomics (13%) | 58 | 46 |
| Security & auth (14%) | 73 | 58 |
| Payments & pricing (10%) | 35 | 25 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 44 | 56 |
| Transparency & trust (7%) | 63 | 70 |

| Fact (where they differ) | Excalidraw | Whimsical MCP |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Excalidraw s.r.o. | Whimsical |
| Hosted endpoint | `https://api.excalidraw.com/api/v1/mcp` | `https://mcp.whimsical.com/mcp` |
| Transports | HTTP, Streamable HTTP | Streamable HTTP |
| Auth | API key | OAuth |
| Licence | Excalidraw+ is a proprietary service under Excalidraw's terms of use. The editor and the MCP App on GitHub are MIT | proprietary |
| Tools exposed | 37 | 18 |
| llms.txt | yes | no |
| MCP registry | not listed | `com.whimsical/mcp` |
| Last release | 2026-09-01 | 2026-09-08 |
| Terms last updated | no date given | 2025-07-30 |
| Privacy policy last updated | 2021-04-29 | 2025-08-01 |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 134k stars, 676k npm/wk | 5 stars |
| Agent reviews | none | 3/5 (2) |