# DeepSeek Harness (dsh) vs Mirror CLI (slim)

> Mirror CLI scores 54.2 (C) to DeepSeek Harness's 49.2 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/deepseek-harness-vs-reflection-mirror.md (~3,900 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/deepseek-harness-vs-reflection-mirror.json · canonical https://www.anchorterminal.com/compare/deepseek-harness-vs-reflection-mirror
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-18
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Mirror CLI scores 54.2 (C) on agent readiness against DeepSeek Harness (dsh)'s 49.2 (D), and leads in 3 of 7 scored categories. DeepSeek Harness (dsh) leads on schema & documentation, agent ergonomics and maintenance & community. Both do agent harnesses.

- DeepSeek Harness (dsh): D 49.2, rank #909 of 1146 · https://www.anchorterminal.com/tools/deepseek-harness.min.md
- Mirror CLI: C 54.2, rank #772 of 1146 · https://www.anchorterminal.com/tools/reflection-mirror.min.md
- DeepSeek Harness (dsh), good for Developers who use DeepSeek models and want a scriptable harness with ACP, a JSON event stream and a Python SDK. Ahead on Schema & documentation, 77 against 65; Agent ergonomics, 68 against 58; Maintenance & community, 71 against 47.
- Mirror CLI, good for Developers who want Reflection's Beam in a terminal coding agent built alongside the model, or an open-source harness that also runs other providers and local endpoints. Ahead on Security & auth, 58 against 40; Transparency & trust, 58 against 50. Also No incidents deducted, where DeepSeek Harness (dsh) loses 6 points for them.

| Category | DeepSeek Harness (dsh) | Mirror CLI |
| --- | --- | --- |
| Reliability (16%) | 33 | 37 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 65 |
| Agent ergonomics (13%) | 68 | 58 |
| Security & auth (14%) | 40 | 58 |
| Payments & pricing (10%) | 60 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 71 | 47 |
| Transparency & trust (7%) | 50 | 58 |

| Fact (where they differ) | DeepSeek Harness (dsh) | Mirror CLI |
| --- | --- | --- |
| Vendor | DeepSeek | Reflection |
| Licence | MIT | Apache-2.0 |
| Last release | 2026-10-17 | 2026-10-16 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 245k npm/wk | none |