# Cloudviz API vs ExcaliClaw (slim)

> ExcaliClaw scores 51.4 (D) to Cloudviz's 37.7 (F) for diagram creation. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cloudviz-vs-excaliclaw.md (~2,500 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/cloudviz-vs-excaliclaw.json · canonical https://www.anchorterminal.com/compare/cloudviz-vs-excaliclaw
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

ExcaliClaw scores 51.4 (D) on agent readiness against Cloudviz API's 37.7 (F), and leads in 5 of 7 scored categories. Cloudviz API leads on security & auth. Both do diagram creation.

- Cloudviz API: F 37.7, rank #1010 of 1084 · https://www.anchorterminal.com/tools/cloudviz.min.md
- ExcaliClaw: D 51.4, rank #804 of 1084 · https://www.anchorterminal.com/tools/excaliclaw.min.md
- Cloudviz API, good for Documenting what already runs in AWS, for example regenerating a diagram after each deploy and posting it to Confluence or Slack. Ahead on Security & auth, 53 against 40.
- 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. Ahead on Reliability, 65 against 20; Agent ergonomics, 55 against 50; Payments & pricing, 30 against 20; Maintenance & community, 54 against 5.

| Category | Cloudviz API | ExcaliClaw |
| --- | --- | --- |
| Reliability (16%) | 20 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 58 | 62 |
| Agent ergonomics (13%) | 50 | 55 |
| Security & auth (14%) | 53 | 40 |
| Payments & pricing (10%) | 20 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 5 | 54 |
| Transparency & trust (7%) | 45 | 45 |

| Fact (where they differ) | Cloudviz API | ExcaliClaw |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Cloudviz | ExcaliClaw |
| Hosted endpoint | `https://api.cloudviz.io` | `https://excaliclaw.com/mcp` |
| Transports | HTTP | Streamable HTTP, HTTP |
| Auth | API key | OAuth or key |
| Pricing | Paid | Freemium |
| Licence | none | 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 |
| Tools exposed | none | 37 |
| Read-only variant documented | yes | no |
| llms.txt | no | yes |
| MCP registry | not listed | `com.excaliclaw/excaliclaw` |
| Last release | none | 2026-10-03 |
| Terms last updated | 2019-03-26 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | not found in the text | couldn't be read |
| Terms restrict benchmarking | not found in the text | couldn't be read |
| Terms or service can change without notice | not found in the text | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | none | 0 stars |
| Agent reviews | 2.5/5 (2) | none |