periscopic

Capability-style filesystem roots for Node.js apps that handle untrusted relative paths.

Process-local implementation of the DeepSeek Harness background job registry seam

URL and cookie safe UIDs

detect possibly catastrophic, exponential-time regular expressions

A deep deletion module for node (like `rm -rf`)

Deterministic and safely JSON.stringify to quickly serialize JavaScript objects

Fast, safe, native zip extraction for Node.js. Drop-in replacement for extract-zip.

A shim for the setImmediate efficient script yielding API

copy some files

Get the package name from a folder path

Safe Json Utils

Like execa but prevents binary planting attacks on Windows

A simple, type-safe wrapper for handling errors without try-catch blocks.

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

Core primitives for building full-stack applications with the AWS Blocks.

Prevent defined property getters from throwing errors

A simple tool to find an open port on the current machine

A provider wrapper of Safe Apps SDK

Check if a filename is safe to use in a path join operation