Anthropic Claude

pip install cycls

import cycls

@cycls.app(pip=["anthropic"], copy=[".env"])
async def app(context):
    from anthropic import AsyncAnthropic

    client = AsyncAnthropic()

    async with client.messages.stream(
        model="claude-sonnet-4-20250514",
        max_tokens=1024,
        messages=context.messages
    ) as stream:
        async for text in stream.text_stream:
            yield text

app.local()

ANTHROPIC_API_KEY=sk-ant-...

python app.py

import cycls

@cycls.app(pip=["claude-agent-sdk"], copy=[".env"])
async def app(context):
    from claude_agent_sdk import (
        ClaudeSDKClient,
        ClaudeAgentOptions,
        AssistantMessage,
        TextBlock,
        ToolUseBlock,
        ThinkingBlock,
        ResultMessage,
    )

    async with ClaudeSDKClient(
        options=ClaudeAgentOptions(
            allowed_tools=["Read", "Edit", "Glob", "Grep", "Bash", "WebSearch"],
            permission_mode="acceptEdits",
        )
    ) as client:
        await client.query(context.last_message)

        async for message in client.receive_response():
            if isinstance(message, AssistantMessage):
                for block in message.content:
                    if isinstance(block, TextBlock):
                        yield block.text
                    elif isinstance(block, ThinkingBlock):
                        yield {"type": "thinking", "thinking": block.thinking}
                    elif isinstance(block, ToolUseBlock):
                        yield {"type": "thinking", "thinking": f"Using tool: {block.name}"}

            elif isinstance(message, ResultMessage):
                yield {"type": "thinking", "thinking": "Tool completed"}

app.local()

ANTHROPIC_API_KEY=sk-ant-...

import cycls
import os

cycls.api_key = os.getenv("CYCLS_API_KEY")

@cycls.app(pip=["anthropic"], copy=[".env"])
async def app(context):
    from anthropic import AsyncAnthropic

    client = AsyncAnthropic()

    async with client.messages.stream(
        model="claude-sonnet-4-20250514",
        max_tokens=1024,
        messages=context.messages
    ) as stream:
        async for text in stream.text_stream:
            yield text

app.deploy()