A lightweight utility to generate a secure pseudonymous ID using HMAC-SHA256, ideal for anonymizing users while preserving uniqueness.

Sprint Signals error logger for React Native / Expo. init() once, captures native JS crashes with iOS/Android device context. Pseudonymous, PII-safe.

Sprint Signals error logger for Node services. init() once at boot, captureException() around boundaries. Pseudonymous, PII-safe.

Sprint Signals error logger for browser apps (Next.js, Vite, CRA, Astro). Import { init, capture } and call init(key) once — no script tag. Pseudonymous, PII-safe.

A lightweight utility to generate a secure pseudonymous ID using HMAC-SHA256, ideal for anonymizing users while preserving uniqueness.

Per-subject auditability: end users hold their own key and independently verify what agents did on their account — a pseudonymous, platform-scoped subject_tag receipt slice — without seeing anyone else's.

Requested-attributes charter — a coarse, capped, k-anon-guarded privacy mini-spec for optional background attributes on pseudonymous feedback. The first concrete instance of the personal-properties/disclosure model. Pure functions, web ≡ mobile.

encrypted, verified, pseudonymous communication over a shared hyperlog

Supply-chain provenance: co-signed custody chains for physical goods. Each handoff (factory→shipper→customs→retailer) is a 2-party co-signed receipt, multi-party events are N-party swarm receipts, and item history is a pseudonymous verifiable slice — no p

Signature based authentication client, as used in the PrimeTrust and Shares projects

IndexedDB-based persisting LRU cache for the browser

MCP server for Supericons: multilingual semantic SVG icon search and recommendations for AI coding agents.

Hello Aigent reference subscriber — an MCP server that lets any agent subscribe to any Hello Aigent feed, fetch signed updates, verify them, and act.

user-sovereign auth

Golf for AI agents — every US course free, plus open contribution (OpenShot/Moments), portable identity & tournaments. The open data layer for golf.

Platty CLI for repository static analysis and documentation workflows.

Python's deque data structure for JavaScript

Call a Function on a given Date

Error objects for JavaScript

A standard format for agent experience data: every step your production AI takes and what comes back, in one published, versioned record. Behavioural measurements on top, no evals, captured out of band. The same package observes a buzz community you don't