# Excalidraw vs Lucid API + MCP (slim)

> Lucid scores 60.6 (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-lucid.md (~2,550 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/excalidraw-vs-lucid.json · canonical https://www.anchorterminal.com/compare/excalidraw-vs-lucid
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Lucid API + MCP scores 60.6 (C) on agent readiness against Excalidraw's 54.5 (C), and leads in 4 of 7 scored categories. Excalidraw leads on payments & pricing and maintenance & community. Both do diagram creation.

- Excalidraw: C 54.5, rank #683 of 950 · https://www.anchorterminal.com/tools/excalidraw.min.md
- Lucid API + MCP: C 60.6, rank #502 of 950 · https://www.anchorterminal.com/tools/lucid.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 Payments & pricing, 35 against 25; Maintenance & community, 44 against 33. Also Open source.
- Lucid API + MCP, good for Organisations already on Lucid that want an agent to create or update diagrams inside governed workspaces, with read-only scopes and audit logs. Ahead on Reliability, 67 against 50; Schema & documentation, 73 against 65; Security & auth, 80 against 73.

| Category | Excalidraw | Lucid API + MCP |
| --- | --- | --- |
| Reliability (16%) | 50 | 67 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 65 | 73 |
| Agent ergonomics (13%) | 58 | 62 |
| Security & auth (14%) | 73 | 80 |
| Payments & pricing (10%) | 35 | 25 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 44 | 33 |
| Transparency & trust (7%) | 63 | 60 |

| Fact (where they differ) | Excalidraw | Lucid API + MCP |
| --- | --- | --- |
| Vendor | Excalidraw s.r.o. | Lucid Software |
| Hosted endpoint | `https://api.excalidraw.com/api/v1/mcp` | `https://api.lucid.co` |
| 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 | proprietary |
| Tools exposed | 37 | 9 |
| MCP registry | not listed | `app.lucid.mcp/lucid` |
| Last release | 2026-09-01 | 2026-06-15 |
| 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 | none |
| Agent reviews | none | 3/5 (2) |