Machine-readable field specifications for EU Digital Product Passports (ESPR) — 13 product categories, 1004 fields, each traced to the article of EU law that mandates it. Pure JSON, no dependencies.

TypeScript types for EU Digital Product Passports (ESPR) — templates, passports, parties, and traceability events. Types only, zero runtime, zero dependencies.

Deterministic synthetic sample-passport and EPCIS-shaped event-chain generator for the OpenDPP Digital Product Passport API — category-valid ESPR sample data for every category the public contract recognises (ESM, Node >=26).

Open JSON-LD schema for the EU Digital Product Passport. Production-tested vocabulary covering ESPR-mandated fields not yet in Schema.org or GS1.

utilities for esprs

Spanish (Puerto Rico) spelling dictionary

Pure, zero-dependency CSV → passport reference mapper for the OpenDPP Digital Product Passport API (ESM, Node >=26). Maps parsed CSV rows to the public passport-create shape; bring your own RFC-4180 parser.

MCP server for the KnowUsWell friendship quiz — let AI assistants host the two-player quiz: 16 behaviour questions, four-letter roles, 16 pair types.

n8n community node for TracePass — automate EU Digital Product Passport workflows: products, passports, EPCIS supply-chain events.

Command Line Interface and library for Communications with Espruino JavaScript Microcontrollers

sortable 64-bit base64 ids

transport abstraction and event routing

composable asset compilation

Validate GTIN, GLN & GS1 Digital Link URIs for EU Digital Product Passports. Zero dependencies. Used in production at Verisav.

websocket adapters for dsprsn

Official TypeScript SDK for the OpenDPP Digital Product Passport API — a fully-typed client generated from the public OpenAPI contract (ESM, Node >=20). Zero runtime dependencies; version-locked to the API contract.

Pure, zero-dependency GS1 Digital Link URI builders and GS1 mod-10 check-digit helpers — validate AND mint GTIN-14/GLN-13 (ESM, Node >=26). Extracted from the OpenDPP Digital Product Passport service.

Chain-agnostic Digital Product Passport domain SDK: product profiles, canonical hashing, payload projection, access levels, merkle proofs, lifecycles, ZK claim planning. Ships an EU Battery Regulation profile.

Evaluate an EU Digital Product Passport against its category field-spec — a three-tier compliance verdict with regulation-cited findings. Pure functions, no third-party runtime dependencies.

EORI number validation against the European Commission's official EOS validation web service, plus pure offline EORI syntax/parse helpers (ESM, Node >=26). From the OpenDPP Digital Product Passport service.