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belay-harness

PyPIInfrastructure

PulseGate's liveness check found it on 14 Oct 2026; it is registered on GitHub and PyPI and has been in the index since 18 Jul 2026. How this is checked

belay-harness is an open-source CLI harness for AI agents, enabling sandboxed execution, step-by-step verification via replay, and deterministic trace logging. It is designed for developers and researchers focused on AI safety and agent reliability.

Inferred · not functionally tested

Open SourceApache-2.0CLISelf-hosted
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Overview

5 features

Purpose: Ensuring safe and verifiable execution of AI agents by sandboxing and deterministic replay.

Inferred · not functionally tested

Audience: AI safety researchers and agent developers

Inferred · not functionally tested

Functions: agents, monitoring

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 · github.com. These links do not verify the individual claims.

In the AI security & guardrails space, belay-harness takes a focused approach. Inferred · not functionally tested: It focuses on ensuring safe and verifiable execution of AI agents by sandboxing and deterministic replay. Inferred · not functionally tested: It is built as an open-source project for AI safety researchers and agent developers. Basis unknown · not verified: belay-harness is open source under the Apache-2.0 license. Basis unknown · not verified: It runs on the command line, and it can be self-hosted.

haqaliz builds and maintains belay-harness, and it first shipped in 2026. Development happens publicly on GitHub with 87 commits in the last 90 days. Inferred · not functionally tested: Among its 5 catalogued features are agent sandboxing, step verification, and replay against real state.

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

Tasks: Inferred · not functionally tested

  • Agent sandboxing
  • Step verification
  • Replay against real state
  • Deterministic trace
  • AI safety tools

Topics: Inferred · not functionally tested

Tags
agent-sandboxstep-verificationdeterministic-trace
AI capabilities
Code
Weights: Open

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
CLISelf-hosted

Trust & compliance

License
Apache-2.0
Public signals
HTTPSOpen SourceFree tierGitHubActive maintenance

Indexing history

7

What PulseGate has recorded for this listing

  1. Indexed10 Oct · 15:33 UTC
    belay-harness seen via PyPI Fresh Feed
    Source: PyPI Fresh Feed · Open
  2. Indexed25 Sep · 19:15 UTC
    belay-harness seen via PyPI Fresh Feed
    Source: PyPI Fresh Feed · Open
  3. Indexed22 Sep · 16:24 UTC
    belay-harness seen via PyPI Fresh Feed
    Source: PyPI Fresh Feed · Open
  4. Indexed22 Sep · 11:02 UTC
    belay-harness seen via PyPI Fresh Feed
    Source: PyPI Fresh Feed · Open
  5. Indexed20 Sep · 23:08 UTC
    belay-harness seen via PyPI Fresh Feed
    Source: PyPI Fresh Feed · Open
  6. Indexed19 Sep · 20:53 UTC
    belay-harness seen via PyPI Fresh Feed
    Source: PyPI Fresh Feed · Open
  7. Indexed18 Jul · 18:21 UTC
    belay-harness seen via PyPI Bulk Enumerator
    Source: PyPI Bulk Enumerator · Open

Frequently asked questions about belay-harness

What does belay-harness do?
Inferred · not functionally tested: Belay-harness focuses on ensuring safe and verifiable execution of AI agents by sandboxing and deterministic replay. It is catalogued under AI security & guardrails on PulseGate.
Who should use belay-harness?
Inferred · not functionally tested: belay-harness is an open-source project built for AI safety researchers and agent developers.
Is belay-harness free?
Basis unknown · not verified: Yes — belay-harness is open source under the Apache-2.0 license and free to use.
What platforms does belay-harness run on?
Basis unknown · not verified: belay-harness runs on the command line. It can also be self-hosted.
Is belay-harness still active?
PulseGate's liveness check found it on 14 Oct 2026. Its GitHub repository shows 87 commits in the last 90 days.
Who makes belay-harness?
belay-harness is developed by haqaliz.
How long has belay-harness been around?
belay-harness first shipped in 2026.
Is belay-harness open source?
Basis unknown · not verified: Yes — belay-harness is open source under the Apache-2.0 license, developed on GitHub.

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