@haikit/anthropic

Model adapter for Claude.

import { anthropic } from "@haikit/anthropic";
createHai({ model: anthropic({ model: "claude-haiku-5-5", effort: "medium" }), … });

With no model, it uses claude-haiku-5-5, the fastest and cheapest Claude model; pass any other model ID, such as claude-sonnet-5-5, to change it. effort defaults to medium.

Note it imports only @haikit/core, never @haikit/server. Adapters implement an interface the contract layer declares — that is what keeps the runtime swappable, and what lets an app ship its own adapter without forking anything (see examples/*/src/server/scripted.ts).

The agent loop is hand-written rather than using the SDK's tool runner: an elicit turn must stop mid-turn, return an HTTP response, and resume from a different request. An in-process iterator cannot cross that boundary.