Give AI agents ambitious work without losing the plot. nac is an open-source harness for long-running tasks, using a central orchestrator, threads, and structured episodes to stay aligned with your intent.
⚡ Executive Summary & Quick Facts
Authoritative Sourcenac is nac is an open-source project written in Rust: Give AI agents ambitious work without losing the plot. nac is an open-source harness for long-running tasks, using a central orchestrator, threads, and structured episodes to stay aligned with your intent..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), arcee-ai/nac has accumulated 292 GitHub stars and 31 forks. It is written in Rust, licensed under Apache-2.0, and ranks #13,433 globally. It is actively maintained with the latest commit recorded on Oct 28, 2026.”
| Repository | arcee-ai/nac ↗ |
|---|---|
| Primary Category | agent harness |
| Language & Stack | Rust |
| Software License | Apache-2.0 |
| Community Traction | ★ 292 stars · ⑂ 31 forks · #13,433 globally |
| Maintenance | ● Active (Last commit: Oct 28, 2026) · 28 open issues |
| Target Audience | Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 93/100 · Grade A+Yes, nac is actively maintained. Continuous telemetry recorded the last code commit on Oct 28, 2026 (2 days ago). Supported by 292 stars and 31 community forks, this repository holds a calculated health index of 93/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
Add Live Star History & Verified Badges to README.md
Keep your repository README looking professional and dynamic. As our continuous crawler records new stars, these official SVG badges update in real time with zero maintenance.
Renders your high-resolution star trajectory chart right inside your GitHub README or project docs.
[](https://githubrepo.cloud/repo/arcee-ai/nac?utm_source=readme_chart)Compact badges for your README header. Real-time stars, velocity, health audit, and rank.
[](https://githubrepo.cloud/repo/arcee-ai/nac?utm_source=readme_badge) [](https://githubrepo.cloud/repo/arcee-ai/nac?utm_source=readme_badge) [](https://githubrepo.cloud/repo/arcee-ai/nac?utm_source=readme_badge) [](https://githubrepo.cloud/repo/arcee-ai/nac?utm_source=readme_badge) [](https://githubrepo.cloud/repo/arcee-ai/nac?utm_source=readme_badge)Momentum
+10
STARS · LAST 30 DAYS
1
PER DAY
#1,290
MOST-STARRED Rust
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
nac gained 10 stars in the last 30 days, about 1 a day, and now has 292. It is about 1 year old and has averaged roughly 292 stars a year. It ranks #1,290 among Rust repositories and #13,433 across all languages on GitHubRepo.
Trending Record
6
DAYS ON TRENDING
#4488
BEST RANK
Oct 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
nac has maintained a continuous presence across global trending indexes, peaking at #4488. Below is the 30-day activity profile:
💡 Overview
nac is an open-source project written in Rust: Give AI agents ambitious work without losing the plot. nac is an open-source harness for long-running tasks, using a central orchestrator, threads, and structured episodes to stay aligned with your intent.
Engineered for speed, consistency, and developer ease, it solves common hurdles in agent-harness, agent-orchestration, agent-skills. 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 Rust 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
$ cargo install nac⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Rust toolchain (rustc / cargo >= 1.70)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
nac coordinates its core functionality through a modular Rust 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 nac.
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 nac using your package manager: `cargo install nac`
Initialize your project workspace or configuration file for nac.
Import nac into your codebase or invoke it directly from your terminal.
Execute your test suite or run `nac --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
arcee-ai/nac is currently ranked #13,433 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #13,414 | dsx-ai-factory/infra-controller | Rust | ★ 293 | Compare ↗ |
| #13,414 | Effect-TS/tsgo | Go | ★ 293 | Compare ↗ |
| #13,414 | NanKillBro/glassy-music-nankill | TypeScript | ★ 293 | Compare ↗ |
| #13,414 | Dodaios/Dodaios | Python | ★ 293 | Compare ↗ |
| #13,414 | OpenPort-Labs/Galaxy-Android | C++ | ★ 293 | Compare ↗ |
| #13,433 | arcee-ai/nac This Project | Rust | ★ 292 | |
| #13,433 | erlangpack/erlang-oauth | Erlang | ★ 292 | Compare ↗ |
| #13,433 | cypher/dotfiles | Vim script | ★ 292 | Compare ↗ |
| #13,433 | MarkUsProject/Markus | Ruby | ★ 292 | Compare ↗ |
| #13,433 | prey/prey-ios-client | Swift | ★ 292 | Compare ↗ |
| #13,433 | kwent/pgbouncerhero | Ruby | ★ 292 | Compare ↗ |
Frequently Asked Questions
What does nac do? +
Give AI agents ambitious work without losing the plot. nac is an open-source harness for long-running tasks, using a central orchestrator, threads, and structured episodes to stay aligned with your intent.
Is nac actively maintained in 2026? +
Yes, nac is actively maintained. The latest code push was recorded on Oct 28, 2026 (2 days ago). It holds a calculated Maintenance Health Score of 93/100 (A+ rating) with 292 stars and 28 open issues.
What language is nac written in? +
The primary language is Rust. Topics include: agent-harness, agent-orchestration, agent-skills, agentic-workflows, ai-agents.
How many stars does nac have? +
nac has 292 stars and 31 forks on GitHub.
How does nac rank among GitHub repositories? +
With 292 stars, arcee-ai/nac is ranked #13,433 globally across all repositories tracked on GitHubRepo and #1,290 among Rust projects.
What license is nac distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
