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harness-arena

PyPIInfrastructure

PulseGate's liveness check found it on 3 Oct 2026; it is registered on PyPI and has been in the index since 13 Aug 2026. How this is checked

harness-arena is an Apache-2.0 Python package for benchmarking agent harnesses against a single model using Terminal-Bench 2. It is intended for developers evaluating and comparing agent systems.

Inferred · not functionally tested

Open SourceApache-2.0CLISelf-hosted
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Overview

4 features

Purpose: Comparing agent harness performance consistently against a shared model and benchmark.

Inferred · not functionally tested

Audience: AI agent developers

Inferred · not functionally tested

Functions: analytics

Inferred · not functionally tested

Interfaces: API: unknown · MCP: unknown · CLI: indicated (inferred, not tested) · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: open_source · license: Apache-2.0 · platforms: CLI · deployment: cli, self_hosted

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: pypi.org. These links do not verify the individual claims.

harness-arena sits in PulseGate's Agent evaluation & testing category. Inferred · not functionally tested: It focuses on comparing agent harness performance consistently against a shared model and benchmark. Inferred · not functionally tested: harness-arena is an open-source project aimed at AI agent developers. Basis unknown · not verified: harness-arena is open source under the Apache-2.0 license. Basis unknown · not verified: harness-arena is available on the command line, and it can be self-hosted.

harness-arena first shipped in 2026. Inferred · not functionally tested: Key capabilities include agent benchmarking, model evaluation, and terminal-Bench support.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Agent benchmarking
  • Model evaluation
  • Terminal-Bench support
  • Harness comparison

Topics: Inferred · not functionally tested

Tags
agent-benchmarkingterminal-benchllm-evaluationharness-comparison

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
CLISelf-hosted

Trust & compliance

License
Apache-2.0
Public signals
HTTPSOpen SourceFree tier

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed13 Aug · 05:39 UTC
    harness-arena seen via PyPI Bulk Enumerator
    Source: PyPI Bulk Enumerator · Open

Frequently asked questions about harness-arena

What is harness-arena?
Inferred · not functionally tested: Harness-arena focuses on comparing agent harness performance consistently against a shared model and benchmark. It is catalogued under Agent evaluation & testing on PulseGate.
Who is harness-arena for?
Inferred · not functionally tested: harness-arena is an open-source project built for AI agent developers.
Does harness-arena have a free plan?
Basis unknown · not verified: Yes — harness-arena is open source under the Apache-2.0 license and free to use.
What platforms does harness-arena run on?
Basis unknown · not verified: harness-arena runs on the command line. It can also be self-hosted.
Is harness-arena still active?
PulseGate's liveness check found it on 3 Oct 2026.
What are alternatives to harness-arena?
Similar projects tracked by PulseGate include harnessgym, harness-bench-fast, and Harness Optimization.harnessgymharness-bench-fastHarness Optimization
When did harness-arena launch?
harness-arena first shipped in 2026.
Is harness-arena open source?
Basis unknown · not verified: Yes — harness-arena is open source under the Apache-2.0 license.

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