ruvnet/metaharness
๐ ๏ธ The meta-harness for AI agents โ scaffold your own focused, branded agent harness with its own npx CLI, MCP server, memory, learning loop, and witness-signed releases. Works with Claude Code, Codex, pi.dev, Hermes, OpenClaw, and RVM (hardware-isolated sandbox).
Star History
Momentum
+17
STARS ยท LAST 30 DAYS
1
PER DAY
#374
MOST-STARRED TypeScript
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +17 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
metaharness gained 17 stars in the last 30 days, about 1 a day, and now has 675. It is about 1 year old and has averaged roughly 675 stars a year. It ranks #374 among TypeScript repositories and #3,177 across all languages on GitHubRepo.
Trending Record
5
DAYS ON TRENDING
#607
BEST RANK
Sep 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
metaharness has maintained a continuous presence across global trending indexes, peaking at #607. Below is the 30-day activity profile:
๐ก Overview
metaharness is an open-source project written in TypeScript: ๐ ๏ธ The meta-harness for AI agents โ scaffold your own focused, branded agent harness with its own npx CLI, MCP server, memory, learning loop, and witness-signed releases. Works with Claude Code, Codex, pi.dev, Hermes, OpenClaw, and RVM (hardware-isolated sandbox).
Engineered for speed, consistency, and developer ease, it solves common hurdles in agent-harness, agent-harness-generator, agent-scaffolding. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
โก Key Features
Optimized execution pipeline written in TypeScript 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.
๐ฅ Installation
$ npm install metaharnessโ System Requirements
Platforms
- โข macOS
- โข Linux
- โข Windows
Runtime & Dependencies
Node.js >= 18, npm, pnpm or bun
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
๐ง How It Works
metaharness coordinates its core functionality through a modular TypeScript 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.
๐ฏ Production Use Cases
Autonomous AI Agents
Orchestrate intelligent workflows and tool-calling routines with metaharness.
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.
๐ Getting Started
Install metaharness using your package manager: `npm install metaharness`
Initialize your project workspace or configuration file for metaharness.
Import metaharness into your codebase or invoke it directly from your terminal.
Execute your test suite or run `metaharness --help` to verify successful setup.
๐ Strengths
โ ๏ธ Considerations
โ Alternatives & Direct Competitors
๐ฅ Who Should Use This
Developers and engineering teams building with TypeScript, seeking reliable, tested, and actively maintained tooling for production workloads.
๐ Nearby in the Rankings
ruvnet/metaharness is currently ranked #3,177 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #3,172 | wshobson/maverick-mcp | Python | โ 678 | Compare โ |
| #3,172 | Basekick-Labs/arc | Go | โ 678 | Compare โ |
| #3,174 | OpenChemistry/avogadrolibs | C++ | โ 677 | Compare โ |
| #3,174 | lindera/lindera | Rust | โ 677 | Compare โ |
| #3,176 | mitchmac/ServerlessWP | PHP | โ 676 | Compare โ |
| #3,177 | ruvnet/metaharness This Project | TypeScript | โ 675 | |
| #3,177 | corretto/corretto-11 | Java | โ 675 | Compare โ |
| #3,177 | google/yggdrasil-decision-forests | C++ | โ 675 | Compare โ |
| #3,177 | Pasta-Devs/Marinara-Engine | TypeScript | โ 675 | Compare โ |
| #3,181 | calagopus/panel | TypeScript | โ 674 | Compare โ |
| #3,181 | aliyun/ai-agent-handbook | โ | โ 674 | Compare โ |
Frequently Asked Questions
What does metaharness do? +
๐ ๏ธ The meta-harness for AI agents โ scaffold your own focused, branded agent harness with its own npx CLI, MCP server, memory, learning loop, and witness-signed releases. Works with Claude Code, Codex, pi.dev, Hermes, OpenClaw, and RVM (hardware-isolated sandbox).
What language is metaharness written in? +
The primary language is TypeScript. Topics include: agent-harness, agent-harness-generator, agent-scaffolding, agentic-ai, agentic-framework.
Is metaharness actively maintained? +
Yes, the last recorded push was on Sep 27, 2026 with 121 open issues being tracked.
How many stars does metaharness have? +
metaharness has 675 stars and 86 forks on GitHub.
How does metaharness rank among GitHub repositories? +
With 675 stars, ruvnet/metaharness is ranked #3,177 globally across all repositories tracked on GitHubRepo and #374 among TypeScript projects.
What license is metaharness distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
