Never keep an agent waiting. A free, open-source Mac menu bar app for Claude Code, Codex and Cursor: see which session needs you and answer it with one keystroke.
⚡ Executive Summary & Quick Facts
Authoritative Sourcemuster is muster is an open-source project written in Swift: Never keep an agent waiting. A free, open-source Mac menu bar app for Claude Code, Codex and Cursor: see which session needs you and answer it with one keystroke.. It provides a free, self-hosted open-source alternative to Cursor.
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), josefchen/muster has accumulated 73 GitHub stars and 1 forks. It is written in Swift, licensed under MIT, and ranks #23,438 globally. It is actively maintained with the latest commit recorded on Oct 21, 2026.”
| Repository | josefchen/muster ↗ |
|---|---|
| Primary Category | ai agents |
| Language & Stack | Swift |
| Software License | MIT |
| Community Traction | ★ 73 stars · ⑂ 1 forks · #23,438 globally |
| Maintenance | ● Active (Last commit: Oct 21, 2026) · 0 open issues |
| Replaces SaaS | Open Source Cursor Alternative ($20/month per user) → |
| Target Audience | Developers and engineering teams building with Swift, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 90/100 · Grade AYes, muster is actively maintained. Continuous telemetry recorded the last code commit on Oct 21, 2026 (12 days ago). Supported by 73 stars and 1 community forks, this repository holds a calculated health index of 90/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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[](https://githubrepo.cloud/repo/josefchen/muster?utm_source=readme_badge) [](https://githubrepo.cloud/repo/josefchen/muster?utm_source=readme_badge) [](https://githubrepo.cloud/repo/josefchen/muster?utm_source=readme_badge) [](https://githubrepo.cloud/repo/josefchen/muster?utm_source=readme_badge) [](https://githubrepo.cloud/repo/josefchen/muster?utm_source=readme_badge)Momentum
+10
STARS · LAST 30 DAYS
1
PER DAY
#1,020
MOST-STARRED Swift
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
muster gained 10 stars in the last 30 days, about 1 a day, and now has 73. It is about 1 year old and has averaged roughly 73 stars a year. It ranks #1,020 among Swift repositories and #23,438 across all languages on GitHubRepo.
Trending Record
6
DAYS ON TRENDING
#6996
BEST RANK
Oct 26, 2026
FIRST APPEARANCE
Active
STATUS TODAY
muster has maintained a continuous presence across global trending indexes, peaking at #6996. Below is the 30-day activity profile:
💡 Overview
muster is an open-source project written in Swift: Never keep an agent waiting. A free, open-source Mac menu bar app for Claude Code, Codex and Cursor: see which session needs you and answer it with one keystroke.
Engineered for speed, consistency, and developer ease, it solves common hurdles in ai-agents, ai-coding, anthropic. 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 Swift 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
$ git clone https://github.com/josefchen/muster.git
cd muster⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Swift 5.9+ / Xcode 15+ (macOS/Linux)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
muster coordinates its core functionality through a modular Swift 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 muster.
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 muster using your package manager: `git clone https://github.com/josefchen/muster.git`
Initialize your project workspace or configuration file for muster.
Import muster into your codebase or invoke it directly from your terminal.
Execute your test suite or run `muster --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Swift, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
josefchen/muster is currently ranked #23,438 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #23,404 | RAC-Native/rac1-native-game | C++ | ★ 74 | Compare ↗ |
| #23,404 | 0xS4N4TG/papercut-explainer | TypeScript | ★ 74 | Compare ↗ |
| #23,404 | JamesZhaoY/logicc2api | JavaScript | ★ 74 | Compare ↗ |
| #23,404 | lvt1693/mashloop | JavaScript | ★ 74 | Compare ↗ |
| #23,404 | byizmysh/IZ2S-Platform | JavaScript | ★ 74 | Compare ↗ |
| #23,438 | josefchen/muster This Project | Swift | ★ 73 | |
| #23,438 | johnl/news-sniffer | Ruby | ★ 73 | Compare ↗ |
| #23,438 | openhood/paypal | Ruby | ★ 73 | Compare ↗ |
| #23,438 | dcbriccetti/talking-puffin | Scala | ★ 73 | Compare ↗ |
| #23,438 | atd/station | Ruby | ★ 73 | Compare ↗ |
| #23,438 | foca/undress | Ruby | ★ 73 | Compare ↗ |
Frequently Asked Questions
What does muster do? +
Never keep an agent waiting. A free, open-source Mac menu bar app for Claude Code, Codex and Cursor: see which session needs you and answer it with one keystroke.
Is muster actively maintained in 2026? +
Yes, muster is actively maintained. The latest code push was recorded on Oct 21, 2026 (12 days ago). It holds a calculated Maintenance Health Score of 90/100 (A rating) with 73 stars and 0 open issues.
What language is muster written in? +
The primary language is Swift. Topics include: ai-agents, ai-coding, anthropic, appkit, claude.
How many stars does muster have? +
muster has 73 stars and 1 forks on GitHub.
How does muster rank among GitHub repositories? +
With 73 stars, josefchen/muster is ranked #23,438 globally across all repositories tracked on GitHubRepo and #1,020 among Swift projects.
What license is muster distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
