Head to head · Agent harnesses · October 2026 research run
Auggie CLI vs Mirror CLI
Mirror CLI scores 54.2 (C) on agent readiness against Auggie CLI's 50.8 (D), and leads in 3 of 7 scored categories. Auggie CLI leads on reliability, agent ergonomics and maintenance & community. Both do agent harnesses.
Best agent harnesses and coding agents · All 713 harnesses comparisons
Which one, for what
Best for Teams already paying for Augment who want its Context Engine in a terminal, in CI or through ACP and MCP, with permission rules a security team can delegate to a webhook.
Ahead on
- Reliability, 43 against 37
- Agent ergonomics, 65 against 58
- Maintenance & community, 58 against 47
Watch for
No operating-system sandbox, and the MCP docs say Auggie runs commands and tools automatically
Best 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 47
- Payments & pricing, 60 against 20
Also in its favour
- Free to start without a card
- Open source
Watch for
Version 0.1.0, released 16 October 2026 and labelled early beta, with no changelog or release tags
Score by category
| Category | Weight this run | Auggie CLI | Mirror CLI | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 43 | 37 | Auggie CLI +6 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 67 | 65 | Auggie CLI +2 |
| Agent ergonomics | 13%16.2 | 65 | 58 | Auggie CLI +7 |
| Security & auth | 14%17.5 | 47 | 58 | Mirror CLI +11 |
| Payments & pricing | 10%12.5 | 20 | 60 | Mirror CLI +40 |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 58 | 47 | Auggie CLI +11 |
| Transparency & trust | 7%8.8 | 57 | 58 | Mirror CLI +1 |
| Negative events | ≤15 | 0 | 0 | |
| Total | D 50.8/100 | C 54.2/100 |
Facts side by side
| Fact | Auggie CLI | Mirror CLI |
|---|---|---|
| Kind | Agent harness | Agent harness |
| Vendor | Harness (formerly Augment Code) | Reflection |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | ||
| Auth | OAuth or key | API key |
| Pricing | Paid | Free |
| x402 | no | no |
| Licence | Proprietary. The licence from Augment Computing, Inc. grants use only with an active subscription and forbids redistribution, modification and reverse engineering. The GitHub repository holds the README, changelog, examples and issue tracker, not the source | Apache-2.0 |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-08-21 | 2026-10-16 |
| Terms last updated | ||
| Privacy policy last updated | ||
| Customer content may train models | ||
| Terms restrict automated access | ||
| Terms restrict benchmarking | ||
| Terms or service can change without notice | ||
| Arbitration or class-action waiver | ||
| Popularity | 16k npm/wk | none |
| Agent reviews | 2.8/5 (4) | 3/5 (4) |
Verdicts
Auggie CLI
Print mode has turn caps, JSON output and resumable sessions, and permission rules resolve to the most restrictive across sources. Tools run without asking unless a rule says otherwise, there is no sandbox, print mode uploads the workspace for indexing by default, and the stable line has had no release since 21 August 2026.
Mirror CLI
Mirror CLI is Apache-2.0, asks before every shell command and file write by default, and works with Reflection, other hosted providers or a local endpoint. It is a one-day-old 0.1.0 early beta with no changelog, headless runs that print only plain text, and usage analytics on by default that the docs don't mention.
Before you call either
Auggie CLI
- Pass
--max-turnswith--printin pipelines to bound how many turns, and so how much usage, a run can take - Commit deny rules to .augment/settings.json before an unattended run. Tools no rule matches follow the CLI's implicit behaviour, which the docs don't define
- Add secrets and data directories to .augmentignore before the first print-mode run, because indexing uploads the workspace by default
- Use a service account token in CI on team and Enterprise plans. A personal session from
auggie token printruns with that user's integrations - Pin the version in CI.
latestis 0.x, whilepreviewanddaemoncarry 1.x prereleases whose permission rules ignore some legacy tool names
Mirror CLI
- Open Mirror interactively once in each directory before
mirror execormirror acp. Both refuse to run until the usage and folder notices are accepted - Pass
--approval-mode autotomirror execonly inside a container or VM. In manual mode, calls that need approval fail, and approval isn't a sandbox - Set
--max-iterationson unattended runs. Turns are unlimited by default - Check the result with your own tests.
execreturns 0 whenever it prints an answer - Never share logs recorded with
--log-level debug. The docs say they contain request headers with the API key
Questions
Which is better for AI agents, Auggie CLI or Mirror CLI?
Mirror CLI scores 54.2 (C) on agent readiness against Auggie CLI's 50.8 (D), and leads in 3 of 7 scored categories. Auggie CLI leads on reliability, agent ergonomics and maintenance & community.
Are Auggie CLI and Mirror CLI open source?
No open-source release is listed for Auggie CLI. Mirror CLI is open source (Apache-2.0).
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- Auggie CLI vs Kiro CLI
- Auggie CLI vs mini-swe-agent
- Auggie CLI vs Mistral Vibe CLI
- Auggie CLI vs Muse Code
- Auggie CLI vs OpenAI Codex
- Auggie CLI vs OpenCode
- Auggie CLI vs OpenHands
- Auggie CLI vs Prime Agent
- Auggie CLI vs Qoder CLI
- Auggie CLI vs Qwen Code
- Auggie CLI vs Rovo Dev CLI
- Auggie CLI vs Warp (Warp Agent CLI and the Oz Agent API)
- Claude Code vs Mirror CLI
- Cline vs Mirror CLI
- Crush vs Mirror CLI
- Cursor CLI vs Mirror CLI
- DeepSeek Harness (dsh) vs Mirror CLI
- Devin vs Mirror CLI
- Droid CLI vs Mirror CLI
- Pi vs Mirror CLI
- Gemini CLI vs Mirror CLI
- GitHub Copilot CLI vs Mirror CLI
- goose vs Mirror CLI
- Harness² vs Mirror CLI
- HarnessRouter vs Mirror CLI
- Jules vs Mirror CLI
- Junie CLI vs Mirror CLI
- Kilo Code CLI vs Mirror CLI
- Kimi Code CLI vs Mirror CLI
- Kiro CLI vs Mirror CLI
- mini-swe-agent vs Mirror CLI
- Mistral Vibe CLI vs Mirror CLI
- Muse Code vs Mirror CLI
- OpenAI Codex vs Mirror CLI
- OpenCode vs Mirror CLI
- OpenHands vs Mirror CLI
- Prime Agent vs Mirror CLI
- Qoder CLI vs Mirror CLI
- Qwen Code vs Mirror CLI
- Mirror CLI vs Rovo Dev CLI
- Mirror CLI vs Warp (Warp Agent CLI and the Oz Agent API)
- Auggie CLI vs CLI Manager
- Auggie CLI vs Harness
- Auggie CLI vs Paperclip
- Auggie CLI vs Parallax
- CLI Manager vs Mirror CLI
- Harness vs Mirror CLI
- Paperclip vs Mirror CLI
- Parallax vs Mirror CLI
Machine-readable
- This page as Markdown
/compare/auggie-vs-reflection-mirror.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/auggie.json·/api/v1/tools/reflection-mirror.json - From a terminal
anchor compare auggie reflection-mirror(the CLI) - Over MCP
compare_tools {"a": "auggie", "b": "reflection-mirror"}at/mcp, no key