Reverse-engineered Fujitsu FGL Type A wired bus protocol — for older Fujitsu/General air conditioners (2000-2010 era), wired remotes (EZ-0001HSEFR and similar). Full spec + Python tools.

Walrasian intent schema for Hashlock Markets — dynamic preference functions for sealed-bid RFQ clearing. JSON Schema definition + TypeScript types for intent-based trading. Part of the Hashlock-Tech protocol stack.

OrangeCheck Protocol (OCP) — the canonical spec, NIP, registry, and conformance vectors. Proof of Bitcoin stake for the open web.

Machine Payments Protocol for Solana — specification

ARCP specification — Agent Runtime Control Protocol. Transport-agnostic, schema-first protocol for secure, observable, streaming-native execution of tools, jobs, workflows, and agent-to-agent interactions. Complements MCP: where MCP defines what exists, ARCP defines how execution happens.