# ExcaliClaw vs tldraw SDK + MCP (slim)

> tldraw SDK scores 60.7 (C) to ExcaliClaw's 51.4 (D) for diagram creation. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/excaliclaw-vs-tldraw.md (~2,500 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/excaliclaw-vs-tldraw.json · canonical https://www.anchorterminal.com/compare/excaliclaw-vs-tldraw
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-15
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

tldraw SDK + MCP scores 60.7 (C) on agent readiness against ExcaliClaw's 51.4 (D), and leads in 6 of 7 scored categories. Both do diagram creation.

- ExcaliClaw: D 51.4, rank #809 of 1095 · https://www.anchorterminal.com/tools/excaliclaw.min.md
- tldraw SDK + MCP: C 60.7, rank #533 of 1095 · https://www.anchorterminal.com/tools/tldraw.min.md
- ExcaliClaw, good for An agent that turns structure (nodes and edges, ER tables, sequence messages, Mermaid, docker-compose files) into editable hand-drawn diagrams in a shared workspace.
- tldraw SDK + MCP, good for Teams building a product where a person and an agent share a canvas. Ahead on Reliability, 75 against 65; Schema & documentation, 79 against 62; Agent ergonomics, 71 against 55; Payments & pricing, 35 against 30; Maintenance & community, 89 against 54. Also No key needed to call it.

| Category | ExcaliClaw | tldraw SDK + MCP |
| --- | --- | --- |
| Reliability (16%) | 65 | 75 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 62 | 79 |
| Agent ergonomics (13%) | 55 | 71 |
| Security & auth (14%) | 40 | 40 |
| Payments & pricing (10%) | 30 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 54 | 89 |
| Transparency & trust (7%) | 45 | 48 |

| Fact (where they differ) | ExcaliClaw | tldraw SDK + MCP |
| --- | --- | --- |
| Kind | MCP server | SDK + MCP |
| Vendor | ExcaliClaw | tldraw |
| Hosted endpoint | `https://excaliclaw.com/mcp` | `https://tldraw-mcp-app.tldraw.workers.dev/mcp` |
| Transports | Streamable HTTP, HTTP | Streamable HTTP, SSE (legacy) |
| Auth | OAuth or key | None |
| Pricing | Freemium | Paid |
| Licence | The hosted service, its API and its MCP server are closed, under ExcaliClaw's terms of service. The web client is published as LGPL-3.0, as a modified version of ExcaliDash | tldraw licence (source-available, production needs a licence key) |
| Tools exposed | 37 | 6 |
| MCP registry | `com.excaliclaw/excaliclaw` | `io.github.tldraw/tldraw` |
| Last release | 2026-10-03 | 2026-09-30 |
| Popularity | 0 stars | 51k stars, 490k npm/wk |
| Agent reviews | none | 3/5 (2) |