agentscope-ai-java/json-guard

JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated.

TypeScript ◇ dos MIT

View on GitHub

★78STARS

⑂0FORKS

!0ISSUES

🏆#7,121GLOBAL RANK

🔥4DAYS TRENDING

🚀

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Star History

Continuous Observations

Interactive star growth chart for agentscope-ai-java/json-guard

Momentum

+10

STARS · LAST 30 DAYS

PER DAY

#719

MOST-STARRED TypeScript

Window	7 days	30 days	90 days
Stars gained	+7	+10	+90
Per day	1	1	1
Forks gained	+1	+3	+10

json-guard gained 10 stars in the last 30 days, about 1 a day, and now has 78. It is about 1 year old and has averaged roughly 78 stars a year. It ranks #719 among TypeScript repositories and #7,121 across all languages on GitHubRepo.

Trending Record

json-guard has maintained a continuous presence across global trending indexes, peaking at #186. Below is the 30-day activity profile:

💡 Overview

json-guard is an open-source project written in TypeScript: JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated.

Engineered for speed, consistency, and developer ease, it solves common hurdles in dos, json, nodejs. 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 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.

📥 Installation

terminal

$ npm install json-guard

$ npm install json-guard # or: pnpm add json-guard

> npm install json-guard

⚙ System Requirements

Platforms

• macOS
• Linux
• Windows

Runtime & Dependencies

Node.js >= 18, npm, pnpm or bun

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

json-guard 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.

🎯 Production Use Cases

Production System Integration

Embed json-guard into TypeScript backend services to handle core application logic.

CI/CD Automated Pipelines

Run automated validation, builds, and integration suites during deployments.

Developer Tooling & Workflows

Accelerate developer onboarding with pre-configured project utilities.

Open Source Extension

Fork and customize internal modules under the repository's open MIT license.

🚀 Getting Started

Install json-guard using your package manager: `npm install json-guard`

Initialize your project workspace or configuration file for json-guard.

Import json-guard into your codebase or invoke it directly from your terminal.

Execute your test suite or run `json-guard --help` to verify successful setup.

👍 Strengths

Active community backing with 44 GitHub stars and verified adoption.

Permissive open-source distribution under the MIT license.

Built in TypeScript for high execution speed and developer familiarity.

Cross-platform compatibility across modern Linux, macOS, and Windows environments.

Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with TypeScript and modern CLI workflows.

Ecosystem extensions may require manual configuration depending on environment constraints.

Active development roadmap means breaking API changes may occur across major versions.

⇄ Alternatives & Direct Competitors

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👥 Who Should Use This

Developers and engineering teams building with TypeScript, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

agentscope-ai-java/json-guard is currently ranked #7,121 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

Rank	Repository	Language	Stars	Action
#7,115	jorgeortiz85/scala-javautils	Scala	★ 79	Compare ↗
#7,115	slidefirm/NESA-SLIDE	JavaScript	★ 79	Compare ↗
#7,115	shixian64/jm-web	JavaScript	★ 79	Compare ↗
#7,115	MangoGreenTeaz/FaultLens	Go	★ 79	Compare ↗
#7,115	kerim0x1/bettercode	TypeScript	★ 79	Compare ↗
#7,121	agentscope-ai-java/json-guard This Project	TypeScript	★ 78
#7,121	schleyfox/peach	Ruby	★ 78	Compare ↗
#7,121	f3z0/rails-ad-server	Ruby	★ 78	Compare ↗
#7,121	DanielVartanov/ruby-geometry	Ruby	★ 78	Compare ↗
#7,121	bmabey/webrat-tmbundle	—	★ 78	Compare ↗
#7,121	aquasync/ruby-ole	Ruby	★ 78	Compare ↗

Frequently Asked Questions

What does json-guard do? +

JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated.

What language is json-guard written in? +

The primary language is TypeScript. Topics include: dos, json, nodejs, security, typescript.

Is json-guard actively maintained? +

Yes, the last recorded push was on Sep 24, 2026 with 0 open issues being tracked.

How many stars does json-guard have? +

json-guard has 78 stars and 0 forks on GitHub.

How does json-guard rank among GitHub repositories? +

With 78 stars, agentscope-ai-java/json-guard is ranked #7,121 globally across all repositories tracked on GitHubRepo and #719 among TypeScript projects.

What license is json-guard distributed under? +

The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.

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💼

LinkedIn

Why json-guard is replacing paid subscriptions for engineering teams

Stop paying $50+/month for locked SaaS tools.

Over 78 developers have starred agentscope-ai-java/json-guard, an impressive TypeScript open-source project designed to JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated.

Key Engineering Advantages:
• 100% Local-First: Complete data privacy with zero tracking or telemetry.
• Zero Subscription Costs: No paywalls, per-seat fees, or API markups.
• Complete Customization: Native open-source architecture you can fork, inspect, and deploy anywhere.
• Proven Adoption: 78 GitHub stars and 0 forks.

If you're looking to streamline your engineering workflows without ballooning software expenses, this is worth checking out.

👉 Full star velocity and architectural report: https://githubrepo.cloud/repo/agentscope-ai-java/json-guard
⭐ GitHub Repository: https://github.com/agentscope-ai-java/json-guard

#OpenSource #SoftwareEngineering #DeveloperTools #Tech #Programming #TypeScript

🤖

Reddit (r/opensource, r/webdev, r/selfhosted)

Show r/opensource: json-guard – A free, self-hosted tool that lets you JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated

Hey everyone,

I wanted to share an interesting open-source project called **json-guard** (https://github.com/agentscope-ai-java/json-guard) that has been picking up heavy momentum lately (78 stars).

### What problem does it solve?
Many existing tools in this domain require expensive cloud plans or store your data on third-party servers. json-guard was built with a local-first philosophy, allowing developers to JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated without recurring subscription costs or privacy compromises.

### Tech Stack & Details:
- **Language:** TypeScript
- **License:** MIT
- **GitHub:** [agentscope-ai-java/json-guard](https://github.com/agentscope-ai-java/json-guard)
- **Live Star Momentum Tracker:** [https://githubrepo.cloud/repo/agentscope-ai-java/json-guard](https://githubrepo.cloud/repo/agentscope-ai-java/json-guard)

Has anyone here tested this in production or integrated it into existing pipelines? Would love to hear your experience and feedback!

🟧

Hacker News (Show HN)

Show HN: json-guard – JSON.parse with hard limits on nesting depth, key count, string len...

Hi HN,

json-guard is an open-source TypeScript project designed to JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated.

Rather than relying on closed cloud endpoints, it executes locally on your own machine, providing predictable latency, total privacy, and full control.

Repository: https://github.com/agentscope-ai-java/json-guard
Documentation & Metrics: https://githubrepo.cloud/repo/agentscope-ai-java/json-guard

Feedback and PRs are welcome.

✍️

Dev.to / Hashnode Tags: opensource, typescript, devtools, webdev

This GitHub repo replaces a $50 a month tool! Stop paying expensive software subscriptions. Meet json-guard (78 GitHub Stars)

---
title: This GitHub repo replaces a $50 a month tool! Stop paying expensive software subscriptions. Meet json-guard
published: true
tags: opensource, typescript, devtools, programming
---

## Stop Paying Software Subscriptions For This

Finding high-quality, production-ready open source alternatives to expensive proprietary software can save engineering teams thousands of dollars every year.

Today, we're looking at **[agentscope-ai-java/json-guard](https://github.com/agentscope-ai-java/json-guard)**, a rapidly rising repository with **78 GitHub stars** and **0 forks**.

### What is json-guard?

> JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated

Written in **TypeScript**, json-guard runs directly on your local workstation or private server, keeping your data secure and eliminating recurring license fees.

### Key Highlights
- **High Performance:** Lightweight, reliable, and built in TypeScript.
- **Privacy & Security:** Complete ownership of your environment and data.
- **Growing Momentum:** Ranked **#7,121** globally across tracked repositories on [GitHubRepo](https://githubrepo.cloud/repo/agentscope-ai-java/json-guard).

### Quick Start
To get started locally:

```bash
git clone https://github.com/agentscope-ai-java/json-guard.git
cd json-guard
```

Check out the full repository and star history analytics here:
- **GitHub:** [agentscope-ai-java/json-guard](https://github.com/agentscope-ai-java/json-guard)
- **Star Velocity Tracker:** [json-guard on GitHubRepo.cloud](https://githubrepo.cloud/repo/agentscope-ai-java/json-guard)

𝕏

X / Twitter Communities

Thread / Community Post for json-guard

Developers are sleeping on this GitHub repo 👇

agentscope-ai-java/json-guard (78 ⭐) replaces expensive monthly software subscriptions with 100% free open source code.

⚡ What it does: JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated
💻 Built with: TypeScript
🔒 100% local execution & privacy

Check live star velocity and benchmarks:
https://githubrepo.cloud/repo/agentscope-ai-java/json-guard

#opensource #developer #coding #tech #programming

🧵

Threads Topics

Topic Discussion: Open Source & Developer Tools

This GitHub repo replaces a $50/month tool! 🚀

If you want to save hours of manual work and stop paying subscriptions, check out agentscope-ai-java/json-guard.

It already has over 78 stars and lets you JSON.parse with hard limits on nesting depth, key count, string length and input size. Refuses parser bombs before they are allocated.

Drop a comment if you've tried it, or check the full star momentum report:
https://githubrepo.cloud/repo/agentscope-ai-java/json-guard

From our network

agentscope-ai-java/json-guard

Star History

Momentum

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💡 Overview

⚡ Key Features

📥 Installation

⚙ System Requirements

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Runtime & Dependencies

Architecture

🧠 How It Works

🎯 Production Use Cases

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Developer Tooling & Workflows

Open Source Extension

🚀 Getting Started

👍 Strengths

⚠️ Considerations

⇄ Alternatives & Direct Competitors

👥 Who Should Use This

🏆 Nearby in the Rankings

Frequently Asked Questions

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