Everything you need in JSON land. Parse JSON with comments, stringify objects with circular references, etc...

JavaScript telemetry tooling for open/inner source projects

Lightweight k-line chart built with html5 canvas

Role and Attribute based Access Control for Node.js

LLM and code evaluators for Fabric Experiments: judge library, ModelClient contract, run aggregation.

MCP server for terminal operations and file editing

Fast single-threaded SSIM (Structural Similarity Index) metric for CI visual testing

Test your documentation site against the Agent-Friendly Documentation Spec

A CLI and library which tests helps score how vulnerable a regex pattern is to ReDoS attacks. Supported in the browser, Node and Deno.

Evaluate retrieval quality for a query by measuring semantic similarity between the query and its top results. Provides a quality score and recommendations without requiring labeled ground truth.

Lyra embedded form glue

Validate, lint, and score Agent Skills (SKILL.md) files

CLI eval example for Workglow: pull HuggingFace datasets into storage, run task workflows across models, and score the stored results.

Sentence similarity algorithm.

Library with meta data and functionality related to Holy Quran

A pure (functional) version of Joshaven Potter's string_score package which doesn't alter the String prototype.

Utility for modifying / processing the contents of Javascript objects or arrays via object notation strings or globs.

High-performance Static Application Security Testing (SAST) library for detecting security vulnerabilities through taint analysis

Diagnose broken MCP (Model Context Protocol) server configs before they break your agent silently.

Catch the slop AI coding agents leave in your code: narrative comments, swallowed exceptions, as-any casts, dead code, oversized functions. 50+ rules across 10 language targets (TypeScript, JavaScript, Expo / React Native, Python, Go, Rust, Ruby, PHP, C#,