@qualve/anthropic

Anthropic Claude provider for Qualve LLM tasks.

Setup

Requires Node.js v23+.

npm install @qualve/anthropic

Set the ANTHROPIC_API_KEY environment variable (or add it to .env). Get a key at https://platform.claude.com/settings/keys.

Usage

import "@qualve/anthropic";

Importing the package registers the claude provider with the Qualve task system.

Then use llm: "claude" in your task definitions:

export default {
	type: "llm",
	llm: "claude",
	system: "You are a helpful assistant.",
	prompt: "Summarize this data.",
	input: [{ name: "data", schema: mySchema }],
	output: { name: "summary", schema: summarySchema },
};

Models

| Model | Context window | Max output | | --- | --- | --- | | claude-sonnet-4-6 (default) | 1M | 64K | | claude-haiku-4-6 | 200K | 64K | | claude-opus-4-5 | 1M | 128K |

Capabilities

| Capability | Supported | | --- | --- | | Structured output (JSON schema) | Yes | | Input file descriptions in prompt | Yes (automatic) | | Thinking levels | No | | Token counting | Yes |