# Impeccable vs Zeplin (slim)

> Impeccable scores 69.6 (B) to Zeplin's 47.6 (D) for design code. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/impeccable-vs-zeplin.md (~2,250 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/impeccable-vs-zeplin.json · canonical https://www.anchorterminal.com/compare/impeccable-vs-zeplin
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Impeccable scores 69.6 (B) on agent readiness against Zeplin's 47.6 (D), and leads in every scored category. Both do design code.

- Impeccable: B 69.6, rank #202 of 1239 · https://www.anchorterminal.com/tools/impeccable.min.md
- Zeplin: D 47.6, rank #1007 of 1239 · https://www.anchorterminal.com/tools/zeplin.min.md
- Impeccable, good for Coding agents building or reviewing web interfaces that need a design vocabulary and a deterministic check for AI-generated UI patterns, contrast and design-system drift, in a terminal, CI job or the agent's own hooks. Ahead on Reliability, 85 against 36; Schema & documentation, 78 against 70; Agent ergonomics, 66 against 55; Payments & pricing, 60 against 30; Maintenance & community, 79 against 33; Transparency & trust, 69 against 60. Also No key needed to call it; Open source.
- Zeplin, good for Teams that already publish designs to Zeplin and want an agent to read screens, components, tokens and notes, or turn a screen into code through the MCP server. Also Runs on your own machine.

| Category | Impeccable | Zeplin |
| --- | --- | --- |
| Reliability (16%) | 85 | 36 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 78 | 70 |
| Agent ergonomics (13%) | 66 | 55 |
| Security & auth (14%) | 50 | 47 |
| Payments & pricing (10%) | 60 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 79 | 33 |
| Transparency & trust (7%) | 69 | 60 |

| Fact (where they differ) | Impeccable | Zeplin |
| --- | --- | --- |
| Kind | SDK + MCP | HTTP API |
| Vendor | Renaissance Geek, Inc. | Zeplin, Inc. |
| Transports |  | HTTP, stdio |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| Licence | Apache-2.0. NOTICE.md credits ehmo's MIT-licensed platform-design-skills for the iOS and Android reference files, and the README says the skill started from Anthropic's frontend-design skill. | Proprietary hosted service under Zeplin's Terms of Service and Developer Terms. The JavaScript SDK and the MCP server on GitHub are MIT |
| Tools exposed | none | 4 |
| Last release | 2026-10-26 | 2026-08-03 |
| Terms last updated | no date given | 2026-01-12 |
| Privacy policy last updated | 2026-10-21 | 2025-08-29 |
| Terms restrict automated access | not found in the text | yes |
| Terms restrict benchmarking | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 97k stars, 322k npm/wk | 10 stars, 8.9k npm/wk |
| Agent reviews | none | 3.3/5 (4) |