Koishi Console browser runtime

The client a bridgething extension uses to reach Car Things, settings, storage, and the user's browser from its Deno process.

Public API surface for building hudhod extensions — an in-browser IDE runtime powered by WebContainers.

Portable contracts and React primitives for Octonode plugin UI extensions.

Author API for di-framework CLI extensions: command types, failures, and the extension manifest contract.

The public TypeScript SDK for Prompt Studio. It provides extension contracts, the HTTP client, and prompt helpers. The package is ESM-only; import a declared subpath.

Typed, deterministic authoring API for Axiom extensions

@agentproto/extension — AIP-40 EXTENSION.md reference implementation. A meta-doctype that lets a workspace declare its own custom doctype as an extension of an existing AIP — adding fields, tightening constraints, overriding defaults, and choosing a path

The typed extension contract and host-side registration helpers for Project Vault.

Declare a module, adapter, extension, or provider into a Voyant deployment graph, without the runtime kernel.

Contracts and CLI for building Saycode Desktop extensions.

The host contract between PeopleThread and a first-party extension rendered inside it: the host context, its React hook, and the extension UI manifest.

Framework-neutral contracts for Hubble dashboard extensions

Vertekum kernel

Spaceflow 核心能力库

Folyn Extension SDK — manifest schema, contribution points, contracts, and dev helpers. Type-only at runtime; publishable to npm.

Plugin system for xNet -- registry, sandboxed script execution, AI-powered script generation, and service integrations.

TypeScript contracts and protocol helpers for Cirrulet extensions

Build workflow extensions for ACE Studio, the all-in-one AI music studio.

Canonical schema IR, validation, dialect/capability types, and error codes for VibeORM v2