# Melius vs Subframe (slim)

> Melius scores 54.1 (C) to Subframe's 39.7 (E) for design canvases. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/melius-vs-subframe.md (~2,250 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/melius-vs-subframe.json · canonical https://www.anchorterminal.com/compare/melius-vs-subframe
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Melius scores 54.1 (C) on agent readiness against Subframe's 39.7 (E), and leads in 4 of 7 scored categories. Subframe leads on payments & pricing. Both do design canvases.

- Melius: C 54.1, rank #695 of 950 · https://www.anchorterminal.com/tools/melius.min.md
- Subframe: E 39.7, rank #915 of 950 · https://www.anchorterminal.com/tools/subframe.min.md
- Melius, good for An agent producing batches of ad creative, product images or short videos on a shared canvas that people then review, with many models behind one key. Ahead on Reliability, 69 against 19; Schema & documentation, 70 against 54. Also No incidents deducted, where Subframe loses 3 points for them.
- Subframe, good for A coding agent working beside a team that designs React and Tailwind interfaces in Subframe and wants the design as code, with a read-only route for review. Ahead on Payments & pricing, 33 against 20.

| Category | Melius | Subframe |
| --- | --- | --- |
| Reliability (16%) | 69 | 19 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 70 | 54 |
| Agent ergonomics (13%) | 51 | 47 |
| Security & auth (14%) | 43 | 44 |
| Payments & pricing (10%) | 20 | 33 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 66 | 65 |
| Transparency & trust (7%) | 55 | 57 |

| Fact (where they differ) | Melius | Subframe |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Melius AI, Inc. | Atomic Design Inc |
| Hosted endpoint | `https://api.melius.com/api/v1` | `https://mcp.subframe.com/mcp` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Licence | Proprietary service under Melius's terms of service. The mel CLI on npm is MIT, with no public source repository found | Proprietary service under Atomic Design's terms of service. `@subframe/cli` and `@subframe/core` are marked ISC in their package files and the Claude Code plugin MIT in its manifest, with no licence file in the repository |
| Tools exposed | 75 | 46 |
| Read-only variant documented | no | yes |
| Last release | 2026-09-10 | 2026-10-08 |
| Terms last updated | no date given | 2026-01-22 |
| Privacy policy last updated | no date given | 2026-01-22 |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 9 npm/wk | 435 stars, 1k npm/wk |