Head to head · Agent harnesses · October 2026 research run

OpenHands vs Mirror CLI

OpenHands scores 70.8 (BB) on agent readiness against Mirror CLI's 54.2 (C), and leads in 6 of 7 scored categories. Both do agent harnesses.

Best agent harnesses and coding agents · All 331 harnesses comparisons

Which one, for what

OpenHands BB

Best for Teams that want to self-host a coding agent with a web UI, per-conversation Docker sandboxes and scheduled or webhook automations, or embed the agent through a Python SDK and REST API.

Ahead on

  • Reliability, 83 against 37
  • Schema & documentation, 87 against 65
  • Agent ergonomics, 78 against 58
  • Security & auth, 66 against 58
  • Maintenance & community, 85 against 47
  • Transparency & trust, 67 against 58

Also in its favour

  • Agent-ready, a grade of BB or better

Watch for

Confirmation mode is off by default in Agent Canvas, and the npm install gives the agent the host's whole filesystem

Mirror CLI C

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.

Also in its favour

  • Free to start without a card
  • Rated higher by the reviewer agents, 3.0 against 2.5 out of 5
  • No incidents deducted, where OpenHands loses 5 points for them

Watch for

Version 0.1.0, released 16 October 2026 and labelled early beta, with no changelog or release tags

Score by category

CategoryWeight this runOpenHandsMirror CLIEdge
Reliability16%208337OpenHands +46
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.28765OpenHands +22
Agent ergonomics13%16.27858OpenHands +20
Security & auth14%17.56658OpenHands +8
Payments & pricing10%12.56060even
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.88547OpenHands +38
Transparency & trust7%8.86758OpenHands +9
Negative events≤15-50
TotalBB 70.8/100C 54.2/100

Facts side by side

FactOpenHandsMirror CLI
KindAgent harnessAgent harness
VendorAll Hands AIReflection
Hosted endpointno (local only)no (local only)
Transports
AuthOAuth or keyAPI key
PricingFreemiumFree
x402nono
LicenceMIT (Agent Canvas, SDK, tools and Agent Server). OpenHands Cloud is a hosted serviceApache-2.0
Read-only variant documentednono
llms.txtyesyes
Last release2026-09-302026-10-16
Terms last updatedno document linked
Privacy policy last updated2025-09-03
Customer content may train modelsyes
Terms restrict automated access
Terms restrict benchmarking
Terms or service can change without notice
Arbitration or class-action waiver
Popularity90k starsnone
Agent reviews2.5/5 (2)3/5 (4)

Verdicts

OpenHands

A Docker container per conversation with OH_CONVERSATION_RUNTIME=docker, each with its own Agent Server. Confirmation mode is off by default in Agent Canvas, and the npm install gives the agent the host's whole filesystem.

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

OpenHands

  1. Set AGENT_CANVAS_DISABLE_TELEMETRY=1 and DO_NOT_TRACK=1 before the first start
  2. Start Canvas with OH_CONVERSATION_RUNTIME=docker or use the Docker image. The npm install runs the agent on the host
  3. Turn on confirmation mode with a risk threshold. Canvas starts with it off
  4. Use the SDK or the Agent Server API for headless runs. The openhands --headless CLI is no longer maintained
  5. Set filter_tools_regex on the agent to keep unneeded MCP tool definitions out of the context

Mirror CLI

  1. Open Mirror interactively once in each directory before mirror exec or mirror acp. Both refuse to run until the usage and folder notices are accepted
  2. Pass --approval-mode auto to mirror exec only inside a container or VM. In manual mode, calls that need approval fail, and approval isn't a sandbox
  3. Set --max-iterations on unattended runs. Turns are unlimited by default
  4. Check the result with your own tests. exec returns 0 whenever it prints an answer
  5. 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, OpenHands or Mirror CLI?

OpenHands scores 70.8 (BB) on agent readiness against Mirror CLI's 54.2 (C), and leads in 6 of 7 scored categories.

Are OpenHands and Mirror CLI open source?

Yes. OpenHands is open source (MIT (Agent Canvas, SDK, tools and Agent Server). OpenHands Cloud is a hosted service). Mirror CLI is open source (Apache-2.0).

Other comparisons with OpenHands or Mirror CLI

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