Safely execute untrusted Javascript in your Javascript, and execute synchronous code that uses async functions

🔒 Secure Code Evaluation for NodeJs

AgentTrace is a lightweight observability library to trace and evaluate agentic systems.

A tiny, safe, fast JavaScript library for decimal arithmetic expressions.

Safely execute untrusted code with ESM syntax support, dynamic injection of ESM modules from URL or plain JS code, and granular access control based on whitelisting for each JS object.

A maybe slightly safer-ish wrapper around eval Function constructors

json serializable rule engine / boolean expression evaluator

This library helps in achieving AngularJs equivalents of $parse, $eval and $watch in Angular.

Prompts and evaluation data for LLMs on real world coding and writing tasks

Chessort is a Chess puzzle game where you sort moves based on the chess engine's evaluation.

🌴 An engine that can compile and evaluate expressions written in typescript

Evaluate code in a sandboxed environment everywhere with TryItOnline.

expression eval

Frontend for evaluating humans on chemistry questions

📦 Dynamically require and execute modules at runtime in React Native (Metro Bundler).

Tiny library for fully evaluating CSS properties and variables on a target element.

Zero-config LLM cost & quality monitoring for Node.js - automatically log AI API calls and collect user feedback for analysis using Coolhand.

Convert JS functions to runnable strings. With parameter serialization!

‘Bring the revelations from the edge of a shell .’ 🦪🦉

Expansible cli that computes the stdin