HarnessBench AI Agent
by reacher-zBenchmark for comparing agent harnesses on everyday online tasks — fixes the base model, varies the harness. Sister project of ClawBench, same scoring pipeline.
HarnessBench is an open-source ai agent by reacher-z, written mainly in Python, with 64 GitHub stars and the Apache-2.0 license. Its code was last updated Jul 17, 2026.
Scan summary: scanned Nov 5, 2026 at commit d7ff125. No capabilities flagged by our checks. Scan policy
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d7ff125 · Nov 5, 2026 ScannedStatic, secrets and dependency checks completed with no critical findings. BuildsIt installed from a fresh machine.
Passed. This check ran and found nothing it flags.Static code scanpassPassed. This check ran and found nothing it flags.
Passed. This check ran and found nothing it flags.Secrets scanpassPassed. This check ran and found nothing it flags.
Passed. This check ran and found nothing it flags.Dependency audit0 known vulnerabilitiespassPassed. This check ran and found nothing it flags.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.ManifestnonewarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
Passed. This check ran and found nothing it flags.BuildpassPassed. This check ran and found nothing it flags.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Boot & handshaken/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Network egressn/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Reproducible (×3)n/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Findings (1)
- lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
Network activity
During install
files.pythonhosted.orgpypi.org
While running
Not run — the code wasn't started in this scan
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| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| HarnessBench (this page) reacher-z | 64 | Apache-2.0 | Jul 17, 2026 | Scanned, no flagged issues |
| Paperclip paperclipai | 110k | MIT | Nov 1, 2026 | Scanned, no flagged issues |
| Ppt Master hugohe3 | 72k | MIT | Oct 30, 2026 | Scanned, no flagged issues |
| Llama Index run-llama | 53k | MIT | Oct 26, 2026 | Scanned, see report |
| Nanobot HKUDS | 50k | MIT | Oct 31, 2026 | Scanned, no flagged issues |
| Sim simstudioai | 30k | Apache-2.0 | Nov 1, 2026 | Scanned, see report |