A secure, persistent token cache for Azure Identity credentials that uses the OS secret-management API

See your Claude Code and Codex spend in MarginFront. One command wires your coding-agent usage telemetry through a local collector into MarginFront, priced per teammate, per model, with accurate prompt-cache token splitting and automatic billable tool-cal

In-process spawn subagent backend: runs a fresh child agent on ctx.agents

Sandbox-consuming implementation of the DeepSeek Harness PowerShell executor seam (confines every command via ctx.sandbox, reports denial/enforcement result facts)

Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of the same string and options, resulting in surprising performance improvements.

Simple “Least Recently Used” (LRU) cache

Memoize/cache function results

Finds the common standard cache directory

A minimal parser for the Cache-Control header.

Model-facing ask_user_question tool over the ctx.userInteraction seam

Rush plugin for generic HTTP cloud build cache

Persistent PTY session seam for the DeepSeek Harness — owner-scoped ids, backend registry, interactive sends, reads, signals, and awaited cleanup

Format and parse HTTP Cache-Control header

JSON file KV storage backend for the DeepSeek Harness storage hub

Common token types for decoding and encoding numeric and string values

Local-filesystem ctx.fileReferences provider with bounded fuzzy indexes

Model-facing owner-scoped persistent PowerShell tool backed by the Harness PTY service

The closest you can get to require something with bypassing the require cache

Wrap native HTTP requests with RFC compliant cache support

Fast, fault-tolerant, cross-platform, disk-based, data-agnostic, content-addressable cache.