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Anthropic SDK

Use AllMCP tools directly in the Anthropic Python SDK via the built-in MCP client.

Install

Section titled “Install”
install
pip install anthropic

No extra MCP package needed — the Anthropic SDK includes MCP client support.

Minimal example

Section titled “Minimal example”
agent.py
import anthropic


client = anthropic.Anthropic(api_key="YOUR_ANTHROPIC_KEY")


response = client.beta.messages.create(
    model="claude-sonnet-4-6",
    max_tokens=4096,
    mcp_servers=[
        {
            "type": "url",
            "url": "https://go.allmcp.co/mcp/",
            "name": "allmcp",
            "authorization_token": "YOUR_ALLMCP_KEY",
        }
    ],
    messages=[
        {"role": "user", "content": "List my Bitrix24 contacts"}
    ],
    betas=["mcp-client-2025-11-20"],
)


print(response.content)

Multi-user setup

Section titled “Multi-user setup”

Pass user_id in the URL to scope tools to a specific user:

agent.py
response = client.beta.messages.create(
    model="claude-sonnet-4-6",
    max_tokens=4096,
    mcp_servers=[
        {
            "type": "url",
            "url": f"https://go.allmcp.co/mcp/?user_id={user_id}",
            "name": "allmcp",
            "authorization_token": "YOUR_ALLMCP_KEY",
        }
    ],
    messages=[{"role": "user", "content": "Show me my CRM pipeline"}],
    betas=["mcp-client-2025-11-20"],
)

Multi-turn conversations

Section titled “Multi-turn conversations”
agent.py
import anthropic


client = anthropic.Anthropic(api_key="YOUR_ANTHROPIC_KEY")


mcp_config = {
    "type": "url",
    "url": "https://go.allmcp.co/mcp/",
    "name": "allmcp",
    "authorization_token": "YOUR_ALLMCP_KEY",
}


messages = []


def chat(user_message: str) -> str:
    messages.append({"role": "user", "content": user_message})


    response = client.beta.messages.create(
        model="claude-sonnet-4-6",
        max_tokens=4096,
        mcp_servers=[mcp_config],
        messages=messages,
        betas=["mcp-client-2025-11-20"],
    )


    assistant_message = response.content[0].text
    messages.append({"role": "assistant", "content": assistant_message})
    return assistant_message




print(chat("Connect my Bitrix24"))
print(chat("Now list my top 10 deals by amount"))

Beta header

Section titled “Beta header”

Once a provider is connected, its tools are available to the model through AllMCP, and you don’t wire up any of the tools by hand.

Provider pages

Section titled “Provider pages”
Bitrix24 tools Full tool table for Bitrix24.
Google Sheets tools Full tool table for Google Sheets.
amoCRM tools Full tool table for amoCRM.
All providers Browse every provider you can connect.
Section titled “Related”
Agent frameworks overview
Browse all providers See every provider you can connect and the tools each one offers.