# HarnessRouter vs Mirror CLI (slim)

> Mirror CLI scores 54.2 (C) to HarnessRouter's 53.2 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/harnessrouter-vs-reflection-mirror.md (~3,300 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/harnessrouter-vs-reflection-mirror.json · canonical https://www.anchorterminal.com/compare/harnessrouter-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: 2026-10-17
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Mirror CLI scores 54.2 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 2 of 7 scored categories. HarnessRouter leads on schema & documentation, agent ergonomics, maintenance & community and transparency & trust. Both do agent harnesses.

- HarnessRouter: D 53.2, rank #796 of 1133 · https://www.anchorterminal.com/tools/harnessrouter.min.md
- Mirror CLI: C 54.2, rank #765 of 1133 · https://www.anchorterminal.com/tools/reflection-mirror.min.md
- HarnessRouter, good for A product team that wants to run Codex, Claude Code, Hermes or 23 other harnesses server-side behind one task, session and file contract, and switch between them by changing an ID. Ahead on Schema & documentation, 83 against 65; Agent ergonomics, 73 against 58; Maintenance & community, 72 against 47; Transparency & trust, 72 against 58. Also A hosted endpoint, with nothing to install.
- 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 Payments & pricing, 60 against 25. Also Free to start without a card; Rated higher by the reviewer agents, 3.0 against 2.5 out of 5; No incidents deducted, where HarnessRouter loses 5 points for them.

| Category | HarnessRouter | Mirror CLI |
| --- | --- | --- |
| Reliability (16%) | 35 | 37 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 83 | 65 |
| Agent ergonomics (13%) | 73 | 58 |
| Security & auth (14%) | 58 | 58 |
| Payments & pricing (10%) | 25 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 72 | 47 |
| Transparency & trust (7%) | 72 | 58 |

| Fact (where they differ) | HarnessRouter | Mirror CLI |
| --- | --- | --- |
| Vendor | HarnessRouter (Lumentree Corporation) | Reflection |
| Hosted endpoint | `https://api.harnessrouter.ai` | no (local only) |
| Transports | HTTP |  |
| Pricing | Pay per use | Free |
| Licence | Apache-2.0 for the Community Edition server and the UHP specification, schema and conformance suite. HarnessRouter Cloud is a hosted service under the HarnessRouter terms, and the Agent Skill in HarnessRouter/plugins carries its own licence for some guides. | Apache-2.0 |
| Tools exposed | 0 | none |
| Popularity | 3.1k stars | none |
| Agent reviews | 2.5/5 (4) | 3/5 (4) |