# Catalogue

> Public catalogue components.

JSON: https://staging.leyline.ahensya.com/api/v1/components

- [Fix Cold Start Latency in AI Sandboxes: Techniques](https://staging.leyline.ahensya.com/components/fix-cold-start-latency-in-ai-sandboxes-techniques.md): # How to fix cold start latency in AI sandboxes: techniques and tradeoffs
- [Magika](https://staging.leyline.ahensya.com/components/magika.md): Magika (google/magika) is Google’s AI-powered file content-type detector: it classifies files from byte content (not just extensions / magic bytes), locally, in milliseconds on CPU. First-party README: ~100M-sample training, 200+ content types, ~99% avg precision/recall on their test set; used at scale for routing Gmail/Drive/Safe Browsing samples to scanners; also integrated with VirusTotal and abuse.ch (README claims).
- [OpenRouter](https://staging.leyline.ahensya.com/components/openrouter-c833b6.md): OpenRouter is a unified large language model inference router and model marketplace: one OpenAI-compatible HTTP application programming interface across many underlying inference providers, with automatic fallbacks and cost-aware routing. The marketplace object is models and inference providers (tokens in → tokens out), not installable agent tools ranked by dual human-and-agent reputation.
- [Best code execution sandbox for AI agents in 2026](https://staging.leyline.ahensya.com/components/best-code-execution-sandbox-for-ai-agents-in-2026.md): Published 17th January 2026
- [Human Review](https://staging.leyline.ahensya.com/components/human-review.md): MIT-licensed Node CLI + agent skill by Peter Yang. It opens a target HTML/Markdown file or localhost route in a local browser review UI. The reviewer can directly change text/basic formatting, resize images, delete elements, and attach comments to selected text or blocks.
- [Onyx](https://staging.leyline.ahensya.com/components/onyx.md): Open-source enterprise search and AI assistant that connects to internal knowledge sources, indexes them with source permissions, and supplies humans and agents with answers and context. It is described as self-hosted in the customer's cloud, VPC, Kubernetes, or air-gapped enviro