Skip to content
Back to the index

harnix

PyPIInfrastructure

PulseGate's liveness check found it on 22 Sep 2026; it is registered on GitHub and PyPI and has been in the index since 22 Sep 2026. How this is checked

harnix is a model-agnostic Python agent harness for implementing LLM agent loops with tools, context, memory, permissions, hooks, subagents, skills, and MCP support. It includes deterministic record/replay and trajectory evaluation for developers testing agent behavior.

Inferred · not functionally tested

Open SourceMITCLISelf-hostedAPI
Visit PyPI

Overview

6 features

Purpose: Building reproducible, testable LLM agents with tools, memory, permissions, and evaluation.

Inferred · not functionally tested

Audience: developers building and evaluating LLM agents

Inferred · not functionally tested

Functions: agents, workflow_automation

Inferred · not functionally tested

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

Recorded constraints: pricing: open_source · license: MIT · platforms: CLI · deployment: cli, self_hosted, api_only

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 Frameworks & runtimes space, harnix takes a focused approach. Inferred · not functionally tested: It focuses on building reproducible, testable LLM agents with tools, memory, permissions, and evaluation. Inferred · not functionally tested: It is built as an open-source project for developers building and evaluating LLM agents. Basis unknown · not verified: harnix is open source under the MIT license. Basis unknown · not verified: It ships for the command line and API, and it can be self-hosted.

It is developed by thejenilsoni, and it first shipped in 2026. Inferred · not functionally tested: Key capabilities include agent loops, tool support, and context management. Inferred · not functionally tested: Catalogued interfaces include an MCP server.

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

Tasks: Inferred · not functionally tested

  • Agent loops
  • Tool support
  • Context management
  • Memory
  • Permissions
  • Hooks

Topics: Inferred · not functionally tested

Tags
llm-agent-harnesstrajectory-evaluationrecord-replayagent-memorymcp-tools
AI capabilities
TextStructured
Inference: Cloud API

JSON profile · Text profile · Access guide

Built with & integrations

Connectors
MCP
Runs on
CLISelf-hostedAPI-only

Trust & compliance

License
MIT
Public signals
HTTPSOpen SourceFree tierGitHub

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed22 Sep · 18:33 UTC
    harnix seen via PyPI Bulk Enumerator
    Source: PyPI Bulk Enumerator · Open

Frequently asked questions about harnix

What is harnix?
Inferred · not functionally tested: Harnix focuses on building reproducible, testable LLM agents with tools, memory, permissions, and evaluation. It is catalogued under Frameworks & runtimes on PulseGate.
Who is harnix for?
Inferred · not functionally tested: harnix is an open-source project built for developers building and evaluating LLM agents.
Is harnix free?
Basis unknown · not verified: Yes — harnix is open source under the MIT license and free to use.
What platforms does harnix run on?
Basis unknown · not verified: harnix runs on the command line and API. It can also be self-hosted.
Is harnix still active?
PulseGate's liveness check found it on 22 Sep 2026.
What are alternatives to harnix?
Similar projects tracked by PulseGate include Harnyx, harnify, and Harneloop.HarnyxharnifyHarneloop
Who develops harnix?
harnix is developed by thejenilsoni.
When did harnix launch?
harnix first shipped in 2026.

Similar projects

Closest matches by what these projects do