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.
⚡ Executive Summary & Quick Facts
Authoritative Sourceharnessrouter is 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..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), HarnessRouter/harnessrouter has accumulated 4,305 GitHub stars and 474 forks. It is written in Python, licensed under Apache-2.0, and ranks #3,290 globally. It is actively maintained with the latest commit recorded on Nov 9, 2026.”
| Repository | HarnessRouter/harnessrouter ↗ |
|---|---|
| Primary Category | agent api |
| Language & Stack | Python |
| Software License | Apache-2.0 |
| Community Traction | ★ 4.3K stars · ⑂ 474 forks · #3,290 globally |
| Maintenance | ● Active (Last commit: Nov 9, 2026) · 26 open issues |
| Target Audience | Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, harnessrouter is actively maintained. Continuous telemetry recorded the last code commit on Nov 9, 2026 (4 days ago). Supported by 4,305 stars and 474 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+1.4K
STARS · LAST 30 DAYS
47
PER DAY
#508
MOST-STARRED Python
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +511 | +1.4K | +4.2K |
| Per day | 73 | 47 | 47 |
| Forks gained | +64 | +182 | +24 |
harnessrouter gained 1.4K stars in the last 30 days, about 47 a day, and now has 4.3K. It is about 1 year old and has averaged roughly 4.3K stars a year. It ranks #508 among Python repositories and #3,290 across all languages on GitHubRepo.
Trending Record
44
DAYS ON TRENDING
#126
BEST RANK
Sep 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
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
Optimized execution pipeline written in Python for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ 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
Install harnessrouter using your package manager: `pip install harnessrouter`
Initialize your project workspace or configuration file for harnessrouter.
Import harnessrouter into your codebase or invoke it directly from your terminal.
Execute your test suite or run `harnessrouter --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 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 #3,290 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
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|---|---|---|---|---|
| #3,285 | node-ffi/node-ffi | JavaScript | ★ 4.3K | Compare ↗ |
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| #3,290 | HarnessRouter/harnessrouter This Project | Python | ★ 4.3K | |
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| #3,291 | arcboxlabs/arcbox | Rust | ★ 4.3K | Compare ↗ |
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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.
Is harnessrouter actively maintained in 2026? +
Yes, harnessrouter is actively maintained. The latest code push was recorded on Nov 9, 2026 (4 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 4,305 stars and 26 open issues.
What language is harnessrouter written in? +
The primary language is Python. Topics include: agent-api, agent-framework, agent-harness, ai-agents, ai-infrastructure.
How many stars does harnessrouter have? +
harnessrouter has 4,305 stars and 474 forks on GitHub.
How does harnessrouter rank among GitHub repositories? +
With 4,305 stars, HarnessRouter/harnessrouter is ranked #3,290 globally across all repositories tracked on GitHubRepo and #508 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.
