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HarnessRouter
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HarnessRouter/harnessrouter

HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an open standard. Your keys, your infrastructure.

Python ◇ agent-api Apache-2.0
★2.7KSTARS
⑂273FORKS
!17ISSUES
🏆#1,584GLOBAL RANK
🔥5DAYS TRENDING
🚀
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Star History

Continuous Observations
Interactive star growth chart for HarnessRouter/harnessrouter
CSV

Momentum

+67

STARS · LAST 30 DAYS

2

PER DAY

#225

MOST-STARRED Python

Window7 days30 days90 days
Stars gained+14+67+180
Per day222
Forks gained+1+5+14

harnessrouter gained 67 stars in the last 30 days, about 2 a day, and now has 2.7K. It is about 1 year old and has averaged roughly 2.7K stars a year. It ranks #225 among Python repositories and #1,584 across all languages on GitHubRepo.

Trending Record

harnessrouter has maintained a continuous presence across global trending indexes, peaking at #126. Below is the 30-day activity profile:

💡 Overview

harnessrouter is an open-source project written in Python: HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an open standard. Your keys, your infrastructure.

Engineered for speed, consistency, and developer ease, it solves common hurdles in agent-api, agent-framework, agent-harness. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in Python for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ pip install harnessrouter

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

Python >= 3.9, pip, virtualenv

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

harnessrouter coordinates its core functionality through a modular Python pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Autonomous AI Agents

Orchestrate intelligent workflows and tool-calling routines with harnessrouter.

Model Inference & Prompting

Integrate fast, local or cloud-hosted generative AI models directly into production code.

Context Memory & RAG

Augment language models with dynamic vector retrieval and structured project memory.

Developer Productivity

Automate repetitive engineering tasks, code generation, and test creation using AI agents.

🚀 Getting Started

1

Install harnessrouter using your package manager: `pip install harnessrouter`

2

Initialize your project workspace or configuration file for harnessrouter.

3

Import harnessrouter into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `harnessrouter --help` to verify successful setup.

👍 Strengths

Active community backing with 2,577 GitHub stars and verified adoption.
Permissive open-source distribution under the Apache-2.0 license.
Built in Python for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with Python and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

⇄ Alternatives & Direct Competitors

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👥 Who Should Use This

Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

HarnessRouter/harnessrouter is currently ranked #1,584 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

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#1,582 bazelbuild/bazelisk Go ★ 2.7K Compare ↗
#1,584 HarnessRouter/harnessrouter This Project Python ★ 2.7K
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Frequently Asked Questions

What does harnessrouter do? +

HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an open standard. Your keys, your infrastructure.

What language is harnessrouter written in? +

The primary language is Python. Topics include: agent-api, agent-framework, agent-harness, ai-agents, ai-infrastructure.

Is harnessrouter actively maintained? +

Yes, the last recorded push was on Sep 27, 2026 with 17 open issues being tracked.

How many stars does harnessrouter have? +

harnessrouter has 2,692 stars and 273 forks on GitHub.

How does harnessrouter rank among GitHub repositories? +

With 2,692 stars, HarnessRouter/harnessrouter is ranked #1,584 globally across all repositories tracked on GitHubRepo and #225 among Python projects.

What license is harnessrouter distributed under? +

The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.

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