Claude SDK for Microsoft Foundry

This library provides convenient access to the Claude API via Microsoft Azure AI Foundry. See the documentation for more details.

For the direct Claude API at api.anthropic.com, see @anthropic-ai/sdk.

Installation

npm install @anthropic-ai/foundry-sdk

Usage

Basic Usage with API Key

import { AnthropicFoundry } from '@anthropic-ai/foundry-sdk';

const client = new AnthropicFoundry({
  apiKey: process.env.ANTHROPIC_FOUNDRY_API_KEY, // defaults to process.env.ANTHROPIC_FOUNDRY_API_KEY
  resource: 'example-resource.azure.anthropic.com', // your Azure resource
});

const message = await client.messages.create({
  model: 'claude-sonnet-5-5',
  max_tokens: 1024,
  messages: [{ role: 'user', content: 'Hello, Claude!' }],
});

console.log(message.content);

Using Azure AD Token Provider

For enhanced security, you can use Azure AD (Microsoft Entra) authentication instead of an API key:

import { AnthropicFoundry } from '@anthropic-ai/foundry-sdk';
import { getBearerTokenProvider, DefaultAzureCredential } from '@azure/identity';

const credential = new DefaultAzureCredential();
const scope = 'https://ai.azure.com/.default';
const azureADTokenProvider = getBearerTokenProvider(credential, scope);

const client = new AnthropicFoundry({
  azureADTokenProvider,
  resource: 'example-resource.azure.anthropic.com', // your Azure resource
});

const message = await client.messages.create({
  model: 'claude-sonnet-5-5',
  max_tokens: 1024,
  messages: [{ role: 'user', content: 'Hello, Claude!' }],
});

console.log(message.content);

Using Model Deployments

If you have a model deployment configured, you can specify it to have the SDK automatically construct the correct URL path:

const client = new AnthropicFoundry({
  apiKey: process.env.ANTHROPIC_FOUNDRY_API_KEY,
  resource: 'example-resource.azure.anthropic.com',
});

// The SDK will automatically use /deployments/my-claude-deployment/messages
const message = await client.messages.create({
  model: 'claude-sonnet-5-5',
  max_tokens: 1024,
  messages: [{ role: 'user', content: 'Hello!' }],
});