anthropicClientAdapter
Points the OpenAI SDK at Anthropic. Use it to call Claude models through
client.responses.create() or the Assistants surface.Signature
anthropicClientAdapter({
anthropic: Anthropic,
})
Install
npm install supercompat openai @anthropic-ai/sdk
Responses API
import Anthropic from '@anthropic-ai/sdk'
import {
supercompat,
anthropicClientAdapter,
completionsRunAdapter,
memoryStorageAdapter,
} from 'supercompat/openai'
const client = supercompat({
clientAdapter: anthropicClientAdapter({
anthropic: new Anthropic({ apiKey: process.env.ANTHROPIC_API_KEY }),
}),
storageAdapter: memoryStorageAdapter(),
runAdapter: completionsRunAdapter(),
})
const response = await client.responses.create({
model: 'claude-sonnet-4-6',
input: 'Summarize the strengths of Claude in one sentence.',
})
Streaming
const stream = await client.responses.create({
model: 'claude-sonnet-4-6',
input: 'Count from one to five.',
stream: true,
})
for await (const event of stream) {
if (event.type === 'response.output_text.delta') {
process.stdout.write(event.delta)
}
}
Tool use
await client.responses.create({
model: 'claude-sonnet-4-6',
input: 'What is the weather in Paris?',
tools: [
{
type: 'function',
name: 'get_weather',
parameters: {
type: 'object',
properties: { city: { type: 'string' } },
required: ['city'],
},
},
],
})
Compatible run adapters
completionsRunAdapter — recommended