# ExcaliClaw vs PlantUML (slim)

> PlantUML scores 66.9 (B) 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-plantuml.md (~2,600 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/excaliclaw-vs-plantuml.json · canonical https://www.anchorterminal.com/compare/excaliclaw-vs-plantuml
- 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

PlantUML scores 66.9 (B) on agent readiness against ExcaliClaw's 51.4 (D), and leads in every scored category. Both do diagram creation.

- ExcaliClaw: D 51.4, rank #809 of 1095 · https://www.anchorterminal.com/tools/excaliclaw.min.md
- PlantUML: B 66.9, rank #288 of 1095 · https://www.anchorterminal.com/tools/plantuml.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. Also A hosted endpoint, with nothing to install.
- PlantUML, good for Agents that write sequence, class, state, component, deployment, Gantt or C4 diagrams as text and render them locally or in CI. Ahead on Reliability, 83 against 65; Agent ergonomics, 78 against 55; Security & auth, 50 against 40; Payments & pricing, 60 against 30; Maintenance & community, 73 against 54; Transparency & trust, 73 against 45. Also No key needed to call it; Open source.

| Category | ExcaliClaw | PlantUML |
| --- | --- | --- |
| Reliability (16%) | 65 | 83 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 62 | 65 |
| Agent ergonomics (13%) | 55 | 78 |
| Security & auth (14%) | 40 | 50 |
| Payments & pricing (10%) | 30 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 54 | 73 |
| Transparency & trust (7%) | 45 | 73 |

| Fact (where they differ) | ExcaliClaw | PlantUML |
| --- | --- | --- |
| Kind | MCP server | SDK + MCP |
| Vendor | ExcaliClaw | PlantUML project (Arnaud Roques) |
| Hosted endpoint | `https://excaliclaw.com/mcp` | no (local only) |
| Transports | Streamable HTTP, HTTP |  |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| 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 | GPL-3.0-or-later |
| Tools exposed | 37 | none |
| llms.txt | yes | no |
| MCP registry | `com.excaliclaw/excaliclaw` | not listed |
| Last release | 2026-10-03 | 2026-09-05 |
| Terms last updated | couldn't be read | no document linked |
| Privacy policy last updated | couldn't be read | no document linked |
| Customer content may train models | couldn't be read |  |
| Terms restrict automated access | couldn't be read |  |
| Terms restrict benchmarking | couldn't be read |  |
| Terms or service can change without notice | couldn't be read |  |
| Arbitration or class-action waiver | couldn't be read |  |
| Popularity | 0 stars | 13k stars, 207 npm/wk |