Interface Types · version 8.0.1

yosh:acp

Agent Client Protocol (ACP) interface types for WebAssembly components

Install

Add these interface types to your project:

component install yosh:acp@8.0.1

Learn more about the component CLI.

Worlds

An ACP agent component: exports [`agent`] (driven by the host) and imports

An ACP layer component: bidirectional middleware that wraps a downstream

Interfaces

Displayable content blocks. Mirrors MCP's `ContentBlock` so that MCP tool

Protocol errors, modelled after JSON-RPC 2.0.

Connection initialization: capabilities, identification, and authentication.

Session lifecycle types: identifiers, MCP server configuration, modes, and

Client-side file system access (agent → client).

Client-side terminal execution (agent → client).

Tool calls, plans, and permission requests.

Prompt turns, streaming session updates, and slash commands.

Methods exported by an agent. The client calls these.

Host-capability callbacks invoked by the agent on the client side:

Metadata

Size

77.9 KiB