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LongHorizon-Harness

An AI agent system designed for long-running operations, supporting the continuous execution of complex tasks in desktop applications and terminal environments.

🌍 OverseasFreeOpen sourceDev开源桌面操作CLI
Platforms: WebAPIDesktop
Region
Overseas
Pricing
Free
Open source
Yes
GitHub Stars
★ 1.1k
Views
5
Source
GitHub
Added
2026-08-24
Last verified
2026-08-24

Overview

LongHorizon-Harness is a system for long-running AI agents. It can continuously execute tasks in desktop applications and command-line interfaces (CLI), maintaining task states to ensure reliable progress through complex workflows. The system supports backends such as Claude Code, Codex, OpenCode, and DeepSeek Harness. Users need only set a goal once, and the system can autonomously run for multiple hours, repeatedly recovering goals, validating states, selecting next actions, executing them, checking results, saving progress, or handling failures.

Key features

  • Supports multiple AI backends
  • Long-term continuous task execution
  • Automatic recovery and state validation
  • Suitable for desktop applications and CLI

Use cases

Automated software development tasksContinuous integration and deploymentData processing and analysisComplex multi-step workflows

Pros

  • Supports multiple AI backends
  • Stable long-term operation
  • Automatic recovery and validation
  • Easy to install and use

Limitations / notes

  • Requires some technical background
  • May require internet connectivity

Who it's for

DevelopersData scientistsIT operations personnelEnterprise teams

This overview was compiled by AI from public sources and may contain inaccuracies — please refer to the official site.

FAQ

Is it free?

Yes, the project is open-source and free.

Which platforms are supported?

Supports Web, API, and desktop clients.

Do I need scientific internet access?

Some features may require internet connectivity, depending on the AI backend used.

Is Chinese supported?

The project documentation includes a simplified Chinese version, but specific support details should be checked in the full instructions.

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