sd0xdev/sd0x-harness
The harness layer for Claude Code — a reference implementation of harness engineering with hook-enforced dual review, state-machine gates that survive context compaction, and fail-closed safety where it counts. Quality gates that AI can't skip.
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+10
STARS · LAST 30 DAYS
1
PER DAY
#848
MOST-STARRED JavaScript
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
sd0x-harness gained 10 stars in the last 30 days, about 1 a day, and now has 191. It is about 1 year old and has averaged roughly 191 stars a year. It ranks #848 among JavaScript repositories and #10,522 across all languages on GitHubRepo.
Trending Record
5
DAYS ON TRENDING
#8441
BEST RANK
Oct 3, 2026
FIRST APPEARANCE
Active
STATUS TODAY
sd0x-harness has maintained a continuous presence across global trending indexes, peaking at #8441. Below is the 30-day activity profile:
💡 Overview
sd0x-harness is an open-source project written in JavaScript: The harness layer for Claude Code — a reference implementation of harness engineering with hook-enforced dual review, state-machine gates that survive context compaction, and fail-closed safety where it counts. Quality gates that AI can't skip.
Engineered for speed, consistency, and developer ease, it solves common hurdles in agent-harness, claude-code, claude-code-plugin. 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 JavaScript 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
$ npm install sd0x-harness⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Node.js >= 18 or modern Evergreen browser
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
sd0x-harness coordinates its core functionality through a modular JavaScript 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 sd0x-harness.
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 sd0x-harness using your package manager: `npm install sd0x-harness`
Initialize your project workspace or configuration file for sd0x-harness.
Import sd0x-harness into your codebase or invoke it directly from your terminal.
Execute your test suite or run `sd0x-harness --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
sd0xdev/sd0x-harness is currently ranked #10,522 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #10,494 | peterbe/django-static | Python | ★ 192 | Compare ↗ |
| #10,494 | mroonga/mroonga | C++ | ★ 192 | Compare ↗ |
| #10,494 | dynatrace-oss/dtctl | Go | ★ 192 | Compare ↗ |
| #10,494 | android-sms-gateway/server | Go | ★ 192 | Compare ↗ |
| #10,494 | skizzophrenic/SquachWatch-CYD | C++ | ★ 192 | Compare ↗ |
| #10,522 | sd0xdev/sd0x-harness This Project | JavaScript | ★ 191 | |
| #10,522 | bennyjo/phil | Python | ★ 191 | Compare ↗ |
| #10,522 | ClawLabsAI/free-ai-models | JavaScript | ★ 191 | Compare ↗ |
| #10,522 | evan/bleak_house | Ruby | ★ 191 | Compare ↗ |
| #10,522 | itteco/service_merchant | Ruby | ★ 191 | Compare ↗ |
| #10,522 | creationix/node-persistence | JavaScript | ★ 191 | Compare ↗ |
Frequently Asked Questions
What does sd0x-harness do? +
The harness layer for Claude Code — a reference implementation of harness engineering with hook-enforced dual review, state-machine gates that survive context compaction, and fail-closed safety where it counts. Quality gates that AI can't skip.
What language is sd0x-harness written in? +
The primary language is JavaScript. Topics include: agent-harness, claude-code, claude-code-plugin, codex, harness-engineering.
Is sd0x-harness actively maintained? +
Yes, the last recorded push was on Oct 3, 2026 with 7 open issues being tracked.
How many stars does sd0x-harness have? +
sd0x-harness has 191 stars and 26 forks on GitHub.
How does sd0x-harness rank among GitHub repositories? +
With 191 stars, sd0xdev/sd0x-harness is ranked #10,522 globally across all repositories tracked on GitHubRepo and #848 among JavaScript projects.
What license is sd0x-harness distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
