Shared OpenFeature JS components (server and web)

Fork of eslint rule that sorts keys in objects (https://eslint.org/docs/rules/sort-keys) with autofix enabled

Ellipsizes a string at the nearest whitespace character near the end of allowed length

A JavaScript implementation of the JSON Object Signing and Encryption (JOSE) for current web browsers and node.js-based servers

Fill keys in a destination that are defined on the source

Convert an object's keys to snake case

High Performance In-Memory Cache for Node.js

Sort objecy keys by length

Magic MCP is now the 21st MCP. This package is a compatibility proxy kept for old configs - new setups should use `npx @21st-dev/cli@latest init`. Setup: https://21st.dev/mcp

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The agentic meta-harness — freeze the model, evolve the harness. An open runtime that routes each query to the cost-optimal model, evolves its own harness (planner/context/reviewer/retry/tool/memory/score policy) and autonomously repairs code, then orches

Translation between JavaScript values and Buffers

Map and Set with automatic key interning

Simple flow library

Create an array of the owned/enumerable keys of an input object.

Key signing and verification for rotated credentials

A `Map` subclass with support for multiple keys for one entry.

Helpers for generating and transforming key material

Generic logger interface

Right pad a string with zeros or a specified string. Fastest implementation.