Simulate API failures, throttling, and chaos — all from your command line.
⚡ Executive Summary & Quick Facts
Authoritative Sourcedev-proxy is dev-proxy is an open-source project written in C#: Simulate API failures, throttling, and chaos — all from your command line.. It provides a free, self-hosted open-source alternative to OpenAI API & ChatGPT.
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), dotnet/dev-proxy has accumulated 842 GitHub stars and 90 forks. It is written in C#, licensed under MIT, and ranks #9,495 globally. It is actively maintained with the latest commit recorded on Nov 9, 2026.”
| Repository | dotnet/dev-proxy ↗ |
|---|---|
| Primary Category | api mocking |
| Language & Stack | C# |
| Software License | MIT |
| Community Traction | ★ 842 stars · ⑂ 90 forks · #9,495 globally |
| Maintenance | ● Active (Last commit: Nov 9, 2026) · 77 open issues |
| Replaces SaaS | Open Source OpenAI API & ChatGPT Alternative (Pay-per-token pricing with zero private data guarantees) → |
| Target Audience | Developers and engineering teams building with C#, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 93/100 · Grade A+Yes, dev-proxy is actively maintained. Continuous telemetry recorded the last code commit on Nov 9, 2026 (4 days ago). Supported by 842 stars and 90 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
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Renders your high-resolution star trajectory chart right inside your GitHub README or project docs.
[](https://githubrepo.cloud/repo/dotnet/dev-proxy?utm_source=readme_chart)Compact badges for your README header. Real-time stars, velocity, health audit, and rank.
[](https://githubrepo.cloud/repo/dotnet/dev-proxy?utm_source=readme_badge) [](https://githubrepo.cloud/repo/dotnet/dev-proxy?utm_source=readme_badge) [](https://githubrepo.cloud/repo/dotnet/dev-proxy?utm_source=readme_badge) [](https://githubrepo.cloud/repo/dotnet/dev-proxy?utm_source=readme_badge) [](https://githubrepo.cloud/repo/dotnet/dev-proxy?utm_source=readme_badge)Momentum
+10
STARS · LAST 30 DAYS
1
PER DAY
#485
MOST-STARRED C#
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +4 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +0 | +10 |
dev-proxy gained 10 stars in the last 30 days, about 1 a day, and now has 842. It is about 4 years old and has averaged roughly 211 stars a year. It ranks #485 among C# repositories and #9,495 across all languages on GitHubRepo.
Trending Record
43
DAYS ON TRENDING
#1777
BEST RANK
Sep 25, 2026
FIRST APPEARANCE
Active
STATUS TODAY
dev-proxy has maintained a continuous presence across global trending indexes, peaking at #1777. Below is the 30-day activity profile:
💡 Overview
dev-proxy is an open-source project written in C#: Simulate API failures, throttling, and chaos — all from your command line.
Engineered for speed, consistency, and developer ease, it solves common hurdles in api-testing, chaos-engineering, dev-proxy. 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 C# 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/dotnet/dev-proxy.git
cd dev-proxy⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C# environment and standard tooling
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
dev-proxy coordinates its core functionality through a modular C# 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
Command-Line Automation
Execute automated build, deployment, and maintenance tasks directly from the terminal.
CI/CD Workflow Integration
Run non-interactive validation checks in GitHub Actions, GitLab CI, or local pre-commit hooks.
Developer Environment Setup
Standardize local engineering workstations with single-binary utility commands.
Scripting & Pipeline Orchestration
Chain complex multi-stage scripts with reliable error reporting and exits.
🚀 Getting Started
Install dev-proxy using your package manager: `git clone https://github.com/dotnet/dev-proxy.git`
Initialize your project workspace or configuration file for dev-proxy.
Import dev-proxy into your codebase or invoke it directly from your terminal.
Execute your test suite or run `dev-proxy --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C#, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
dotnet/dev-proxy is currently ranked #9,495 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #9,487 | WPBP/WordPress-Plugin-Boilerplate-Powered | PHP | ★ 843 | Compare ↗ |
| #9,487 | googlefonts/fontations | Rust | ★ 843 | Compare ↗ |
| #9,487 | EranBoudjnah/CleanArchitectureForAndroid | Kotlin | ★ 843 | Compare ↗ |
| #9,487 | basecamp/upright | Ruby | ★ 843 | Compare ↗ |
| #9,487 | okf-memory/okf-agent-memory | Go | ★ 843 | Compare ↗ |
| #9,495 | dotnet/dev-proxy This Project | C# | ★ 842 | |
| #9,495 | ku1ik/rainbow | Ruby | ★ 842 | Compare ↗ |
| #9,495 | matburt/mobileorg-android | Java | ★ 842 | Compare ↗ |
| #9,495 | ical4j/ical4j | Java | ★ 842 | Compare ↗ |
| #9,495 | splunk/attack_data | Python | ★ 842 | Compare ↗ |
| #9,495 | ml-explore/mlx-swift-lm | Swift | ★ 842 | Compare ↗ |
Frequently Asked Questions
What does dev-proxy do? +
Simulate API failures, throttling, and chaos — all from your command line.
Is dev-proxy actively maintained in 2026? +
Yes, dev-proxy is actively maintained. The latest code push was recorded on Nov 9, 2026 (4 days ago). It holds a calculated Maintenance Health Score of 93/100 (A+ rating) with 842 stars and 77 open issues.
What language is dev-proxy written in? +
The primary language is C#. Topics include: api-mocking, api-testing, chaos-engineering, dev-proxy, developer-tools.
How many stars does dev-proxy have? +
dev-proxy has 842 stars and 90 forks on GitHub.
How does dev-proxy rank among GitHub repositories? +
With 842 stars, dotnet/dev-proxy is ranked #9,495 globally across all repositories tracked on GitHubRepo and #485 among C# projects.
What license is dev-proxy distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
