# Excalidraw vs tldraw SDK + MCP (slim)

> tldraw SDK scores 60.7 (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-tldraw.md (~2,500 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/excalidraw-vs-tldraw.json · canonical https://www.anchorterminal.com/compare/excalidraw-vs-tldraw
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

tldraw SDK + MCP scores 60.7 (C) on agent readiness against Excalidraw's 54.5 (C), and leads in 4 of 7 scored categories. Excalidraw leads on security & auth and transparency & trust. Both do diagram creation.

- Excalidraw: C 54.5, rank #683 of 950 · https://www.anchorterminal.com/tools/excalidraw.min.md
- tldraw SDK + MCP: C 60.7, rank #498 of 950 · https://www.anchorterminal.com/tools/tldraw.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 40; Transparency & trust, 63 against 48. Also Open source.
- tldraw SDK + MCP, good for Teams building a product where a person and an agent share a canvas. Ahead on Reliability, 75 against 50; Schema & documentation, 79 against 65; Agent ergonomics, 71 against 58; Maintenance & community, 89 against 44. Also No key needed to call it.

| Category | Excalidraw | tldraw SDK + MCP |
| --- | --- | --- |
| Reliability (16%) | 50 | 75 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 65 | 79 |
| Agent ergonomics (13%) | 58 | 71 |
| Security & auth (14%) | 73 | 40 |
| Payments & pricing (10%) | 35 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 44 | 89 |
| Transparency & trust (7%) | 63 | 48 |

| Fact (where they differ) | Excalidraw | tldraw SDK + MCP |
| --- | --- | --- |
| Kind | HTTP API | SDK + MCP |
| Vendor | Excalidraw s.r.o. | tldraw |
| Hosted endpoint | `https://api.excalidraw.com/api/v1/mcp` | `https://tldraw-mcp-app.tldraw.workers.dev/mcp` |
| Transports | HTTP, Streamable HTTP | Streamable HTTP, SSE (legacy) |
| Auth | API key | None |
| Pricing | Freemium | Paid |
| Licence | Excalidraw+ is a proprietary service under Excalidraw's terms of use. The editor and the MCP App on GitHub are MIT | tldraw licence (source-available, production needs a licence key) |
| Tools exposed | 37 | 6 |
| MCP registry | not listed | `io.github.tldraw/tldraw` |
| Last release | 2026-09-01 | 2026-09-30 |
| 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 | 51k stars, 490k npm/wk |
| Agent reviews | none | 3/5 (2) |