strands-agents/harness-sdk
Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.
Star History
Momentum
+213
STARS · LAST 30 DAYS
7
PER DAY
#129
MOST-STARRED Python
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +49 | +213 | +630 |
| Per day | 7 | 7 | 7 |
| Forks gained | +6 | +25 | +64 |
harness-sdk gained 213 stars in the last 30 days, about 7 a day, and now has 8.5K. It is about 1 year old and has averaged roughly 8.5K stars a year. It ranks #129 among Python repositories and #768 across all languages on GitHubRepo.
Trending Record
1
DAYS ON TRENDING
#1535
BEST RANK
Sep 28, 2026
FIRST APPEARANCE
Active
STATUS TODAY
harness-sdk has maintained a continuous presence across global trending indexes, peaking at #1535. Below is the 30-day activity profile:
💡 Overview
harness-sdk is an open-source project written in Python: Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.
Engineered for speed, consistency, and developer ease, it solves common hurdles in agent-framework, agentic, agentic-ai. 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 harness-sdk⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Python >= 3.9, pip, virtualenv
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
harness-sdk 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 harness-sdk.
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 harness-sdk using your package manager: `pip install harness-sdk`
Initialize your project workspace or configuration file for harness-sdk.
Import harness-sdk into your codebase or invoke it directly from your terminal.
Execute your test suite or run `harness-sdk --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
strands-agents/harness-sdk is currently ranked #768 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #763 | Sylius/Sylius | PHP | ★ 8.5K | Compare ↗ |
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| #766 | apple/swift-nio | Swift | ★ 8.5K | Compare ↗ |
| #767 | junit-team/junit4 | Java | ★ 8.5K | Compare ↗ |
| #768 | strands-agents/harness-sdk This Project | Python | ★ 8.5K | |
| #769 | floccusaddon/floccus | TypeScript | ★ 8.5K | Compare ↗ |
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Frequently Asked Questions
What does harness-sdk do? +
Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.
What language is harness-sdk written in? +
The primary language is Python. Topics include: agent-framework, agentic, agentic-ai, agents, ai.
Is harness-sdk actively maintained? +
Yes, the last recorded push was on Sep 28, 2026 with 862 open issues being tracked.
How many stars does harness-sdk have? +
harness-sdk has 8,503 stars and 1,272 forks on GitHub.
How does harness-sdk rank among GitHub repositories? +
With 8,503 stars, strands-agents/harness-sdk is ranked #768 globally across all repositories tracked on GitHubRepo and #129 among Python projects.
What license is harness-sdk distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
