Official embedded RedDB SDK — launches a local red binary over stdio JSON-RPC. Use @reddb-io/client for remote HTTP, gRPC, and RedWire.
Ethereum TypeScript API, middleware to talk to a ethereum node using an async provider
WM bidirectional JSON-RPC WebView bridge for React (web) + React Native (wm:2 protocol)
Agent Host Protocol CLI — a thin command-line wrapper around the official @microsoft/agent-host-protocol client for managing AHP server connections, sessions, and agent interactions
Chain/transport-agnostic dApp infrastructure - RPC client/server and transports
Client libraries and shared types for communicating with DWN Servers .
JSON-RPC 2.0 bridge server over stdio that exposes Anthropic Claude via the codex-app-server protocol shape, so OpenClaw can drive Claude turns through the same harness pattern it uses for OpenAI Codex. Fork-preview package; may one day migrate to @opencl
Library-first TypeScript runtime for connecting LLM backends, tools, memory, guardrails, and flows to existing apps.
Reference implementation of the Signal K plotter extension message bus: JSON-RPC 2.0 over postMessage with wildcard event subscriptions
Developer-friendly CLI for streaming and backfilling HyperCore datasets from Quicknode
Automatic A2A Protocol Adapter for apcore Module Registry
Transport-agnostic Model Context Protocol (MCP) server primitives for VentureKit: JSON-RPC dispatch, a typed tool registry, and a Zod→JSON-Schema serializer.
Command-line and JSON-RPC tool for interacting with the ADAMANT blockchain
WebSocket based JSONRPC client
Codex CLI and umbrella runtime export for bridge, toybox, feed, remote, workbench, actions, proxy, and kits.
Core types, transports, and utilities for LSP SDK
Lightweight Monaco–LSP bridge with JSON-RPC transport