Session-projection seam: the merge-extensible projection type table, the provider contract, and the ctx.sessionProjections registry serving whole current values of log-derived per-session state

Radios allow users to select a single option from a list of mutually exclusive options.

Dynamic package definition registry, host-half sandbox lifecycle, and invoke handler table for model-mounted dual-half packages

Scoped-context registration primitive (scope tags, scope-filtered event dispatch) for the DeepSeek Harness

Deterministic, framework-independent Factory event replay.

Limit the complexity of your GraphQL queries based on depth.

Reads / writes floats / doubles from / to buffers in both modern and ancient browsers.

Underscore mixins for deeply nested objects

An optimised way to copy'ing an object. A small and simple integration

Utilities for determining if characters belong to character classes defined by the XML specs.

Throttle the parallelism of an asynchronous (promise returning) function / functions

A TypeScript SSE proxy for MCP servers that use stdio transport.

This package provides utilities for creating schema for different types, along with serialization information.

base library for oclif CLIs

Tools for developing with gRPC on Node.js

A package to seed your database using Drizzle ORM

Simple Semver and SemverRange classes

SST CLI fork with a parallel Go build pipeline

Full-functionality evolution bundle — DEFAULT install: host automation + model tools, all profile-root (community build)

Concrete ctx.sessionQuery backend with SQLite FTS5 search