ata-core

ata-core / ata-validator

Public

Ultra-fast JSON Schema validator powered by simdjson. 2,067x faster compilation, 793x faster first validation, ReDoS-immune (RE2). Lazy compilation + schema cache. Standard Schema V1.

ata-validator.com fast json-schema napi native schema
94
2
100% credibility
Found Mar 30, 2026 at 94 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
C++
AI Summary

A blazing-fast library for validating structured data against predefined rules, designed for high-volume applications with near-instant checks and detailed feedback.

How It Works

1
🔍 Discover speedy data checker

You hear about a super-fast tool that checks if incoming information matches your exact rules, perfect for busy apps handling lots of user data.

2
📦 Add it to your project

You bring the checker into your app with a simple download, and it's ready to use right away without any hassle.

3
✏️ Describe perfect data

You simply write down what good information looks like, like names being letters or ages being numbers, in a clear list.

4
📥 Feed in your data

You hand over single pieces or big batches of incoming info, like user forms or log files, to see if they fit your rules.

5
⚡ Get lightning results

In a blink, it tells you yes or no, and if no, exactly what's wrong, so you can fix or reject bad data instantly.

🎉 Handle data effortlessly

Your app now zips through mountains of information securely and smoothly, keeping everything running fast and reliable.

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Star Growth

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AI-Generated Review

What is ata-validator?

ata-validator is an ultra-fast JSON Schema validator powered by simdjson and C++, handling standard Schema V1 for Node.js and native apps. It validates objects, JSON strings, Buffers, and NDJSON batches with lazy compilation, schema cache, and RE2 ReDoS-immune regex. Users get 2,067x faster compilation, 793x faster first validation, and multi-core parallel modes hitting 13M items/sec.

Why is it gaining traction?

Crushes ajv on cold starts (0.1ms vs 23ms), serverless, and high-throughput pipelines, with V8-optimized paths at 16M ops/sec valid/10M invalid. ReDoS immunity via RE2, zero-copy Buffer support, and standalone JS bundles for near-zero startup hook perf-obsessed devs. Fastify/tRPC plugins drop route compile from 6ms to 0.5ms.

Who should use this?

Fastify or tRPC backend devs validating API payloads at scale. Serverless Lambda authors fighting cold-start latency. Data engineers batch-processing NDJSON logs or streams. C++ teams embedding schema validation without JS runtimes.

Verdict

Strong pick for perf-critical JSON validation if ajv bottlenecks hurt – benchmarks deliver, docs cover usage edge-to-edge. But 94 stars and 1.0% credibility signal early maturity; test thoroughly before prod.

(198 words)

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