Shippo with Claude Agent SDK

How to integrate Shippo MCP with Claude Agent SDK

Introduction TL;DR What is Claude Agent SDK What is the Shippo MCP server Supported Tools & Triggers Creating MCP Server - Stand-alone vs Tool Router Step-by-step Guide Complete Code Conclusion How to build Shippo MCP Agent with another framework Explore Other Toolkits FAQ

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Introduction

This guide walks you through connecting Shippo to the Claude Agent SDK using the Composio tool router. By the end, you'll have a working Shippo agent that can create shipping label for new order, track shipment status by tracking number, get shipping rates for a package through natural language commands.

This guide will help you understand how to give your Claude Agent SDK agent real control over a Shippo account through Composio's Shippo MCP server.

Before we dive in, let's take a quick look at the key ideas and tools involved.

TL;DR

Here's what you'll learn:

Get and set up your Claude/Anthropic and Composio API keys
Install the necessary dependencies
Initialize Composio and create a Tool Router session for Shippo
Configure an AI agent that can use Shippo as a tool
Run a live chat session where you can ask the agent to perform Shippo operations

What is Claude Agent SDK?

The Claude Agent SDK is Anthropic's official framework for building AI agents powered by Claude. It provides a streamlined interface for creating agents with MCP tool support and conversation management.

Key features include:

Native MCP Support: Built-in support for Model Context Protocol servers
Permission Modes: Control tool execution permissions
Streaming Responses: Real-time response streaming for interactive applications
Context Manager: Clean async context management for sessions

What is the Shippo MCP server, and what's possible with it?

The Shippo MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Shippo account. It provides structured and secure access so your agent can perform Shippo operations on your behalf.

Supported Tools & Triggers

Tools

Create Shippo AddressTool to create a new address in Shippo.

Create BatchTool to create a batch of shipments for bulk label purchasing.

Create Carrier AccountTool to create a new carrier account in Shippo.

Create Customs ItemCreate a new customs item for international shipments.

Create Live RateTool to generate live shipping rates from multiple carriers for a given shipment.

Create ManifestTool to create a new shipping manifest with Shippo.

Create Merchant AddressTool to create a new address for a merchant using Shippo's Platform API.

Create Merchant BatchTool to create a batch for a merchant using the Shippo Platform API.

Create Merchant Carrier AccountTool to create a carrier account for a merchant using the Shippo Platform API.

Create Merchant Customs DeclarationTool to create a new customs declaration for a merchant using Shippo's Platform API.

Create Merchant Customs ItemTool to create a new customs item for a merchant using Shippo's Platform API.

Create Merchant OrderTool to create an order for a merchant using the Shippo Platform API.

Create Merchant ParcelTool to create a new parcel for a merchant using Shippo's Platform API.

Create Merchant RefundTool to create a refund for a merchant using the Shippo Platform API.

Create Merchant ShipmentTool to create a new shipment for a merchant using Shippo's Platform API.

Create Merchant TransactionTool to create a shipping label transaction for a merchant using the Shippo Platform API.

Create OrderTool to create a new order in Shippo.

Create ParcelTool to create a new parcel in Shippo with dimensions and weight specifications.

Create RefundTool to create a refund for a Shippo transaction.

Create Service GroupTool to create a new Shippo service group with specified pricing model and carrier service levels.

Create ShipmentTool to create a new shipment with Shippo.

Create TransactionTool to create a shipping label transaction with Shippo.

Create User Parcel TemplateTool to create a new user parcel template in Shippo with preset dimensions and weight specifications.

Create Shippo WebhookTool to create a new webhook subscription in Shippo.

Delete Default Parcel TemplateTool to clear the current default parcel template.

Delete User Parcel TemplateTool to delete a user-created parcel template.

Delete WebhookTool to delete a specific webhook from Shippo.

Get AddressTool to retrieve a previously created address from Shippo.

Get Carrier AccountTool to retrieve a carrier account by its ID.

Get Carrier Parcel TemplateTool to retrieve a specific carrier parcel template by its token.

Get Carrier Registration StatusTool to retrieve carrier registration status from Shippo.

Get Customs DeclarationTool to retrieve a customs declaration by its ID.

Get customs itemTool to retrieve a customs item from Shippo.

Get Default Parcel TemplateTool to retrieve the current default parcel template for live rates at checkout.

Get MerchantTool to retrieve a merchant from the Shippo Platform API.

Get Merchant AddressTool to retrieve a merchant address from Shippo Platform API.

Get Merchant BatchTool to retrieve a batch for a merchant from the Shippo Platform API.

Get Merchant Carrier AccountTool to retrieve a carrier account for a merchant using the Shippo Platform API.

Get Merchant Carrier Registration StatusTool to retrieve carrier registration status for a specific merchant using Shippo's Platform API.

Get Merchant Customs DeclarationTool to retrieve a specific customs declaration for a merchant using Shippo's Platform API.

Get Merchant Customs ItemTool to retrieve a customs item for a merchant using the Shippo Platform API.

Get Merchant ManifestTool to retrieve a manifest for a merchant from the Shippo Platform API.

Get Merchant OrderTool to retrieve an order for a merchant from the Shippo Platform API.

Get Merchant ParcelTool to retrieve a parcel for a merchant from the Shippo Platform API.

Get Merchant RateTool to retrieve a specific shipping rate for a merchant using the Shippo Platform API.

Get Merchant RefundTool to retrieve a merchant refund from Shippo Platform API.

Get Merchant ShipmentTool to retrieve a shipment for a merchant from the Shippo Platform API.

Get Merchant Tracking StatusTool to retrieve tracking status for a merchant from Shippo Platform API.

Get Merchant TransactionTool to retrieve a shipping label transaction for a merchant from the Shippo Platform API.

Get OrderTool to retrieve an order from Shippo.

Get ParcelTool to retrieve a parcel by its ID.

Get RateTool to retrieve a specific shipping rate by its ID.

Get RefundTool to retrieve a refund by its ID from Shippo.

Get ShipmentTool to retrieve a shipment by its ID.

Get Shippo AccountTool to retrieve a Shippo Account from the Shippo Platform API.

Get Tracking StatusTool to retrieve tracking status for a shipment from Shippo.

Get TransactionTool to retrieve a shipping label transaction by its ID.

Get User Parcel TemplateTool to retrieve a specific user-created parcel template by its object ID.

Get WebhookTool to retrieve a specific webhook subscription from Shippo.

List AddressesTool to list all addresses in the Shippo account with pagination support.

List Carrier AccountsTool to list all carrier accounts configured in the Shippo account with pagination support.

List Carrier Parcel TemplatesTool to list all carrier parcel templates available for creating shipments.

List Customs DeclarationsTool to list all customs declarations in the Shippo account with pagination support.

List Customs ItemsTool to list all customs items with pagination support.

List ManifestsTool to list all shipping manifests from Shippo.

List Merchant AddressesTool to list all addresses for a specific merchant using the Shippo Platform API.

List Merchant Carrier AccountsTool to list all carrier accounts for a specific merchant using the Shippo Platform API.

List Merchant Customs DeclarationsTool to list all customs declarations for a specific merchant using the Shippo Platform API.

List Merchant Customs ItemsTool to list all customs items for a specific merchant using the Shippo Platform API.

List Merchant ManifestsTool to list all manifests for a specific merchant using Shippo's Platform API.

List Merchant ParcelsTool to list all parcels for a specific merchant using the Shippo Platform API.

List MerchantsTool to list all merchants using the Shippo Platform API with pagination support.

List Merchant Shipment Rates by CurrencyTool to retrieve available shipping rates for a merchant's shipment filtered by currency code using the Shippo Platform API.

List Merchant ShipmentsTool to list all shipments for a specific merchant using Shippo's Platform API.

List Merchant TransactionsTool to list all shipping label transactions for a merchant using the Shippo Platform API.

List OrdersTool to list all orders in the Shippo account with pagination support.

List RefundsTool to retrieve a list of all refunds from Shippo.

List Service GroupsTool to retrieve all service groups configured in Shippo.

List Shipment RatesTool to retrieve available shipping rates for a specific shipment.

List Shipment Rates by CurrencyTool to retrieve available shipping rates for a specific shipment filtered by currency code.

List ShipmentsTool to list all shipments in the Shippo account with pagination support.

List Shippo AccountsTool to list all Managed Shippo Accounts.

List User Parcel TemplatesTool to list all user-created parcel templates.

Purchase Merchant BatchTool to purchase a batch for a merchant via the Shippo Platform API.

Remove Shipments From BatchTool to remove shipments from a batch for a merchant using the Shippo Platform API.

Update Carrier AccountTool to update an existing carrier account in Shippo.

Update Default Parcel TemplateTool to update the default parcel template for live rates at checkout in Shippo.

Update MerchantTool to update an existing merchant in Shippo Platform API.

Update Merchant Carrier AccountTool to update a carrier account for a merchant in Shippo Platform API.

Update Service GroupTool to update an existing Shippo service group.

Update User Parcel TemplateTool to update an existing user parcel template with new weight and carrier template settings.

Update WebhookTool to update an existing webhook in Shippo.

Validate AddressTool to validate an address using the Shippo API.

Validate Merchant AddressTool to validate a merchant address using the Shippo Platform API.

What is the Composio tool router, and how does it fit here?

What is Tool Router?

Composio's Tool Router helps agents find the right tools for a task at runtime. You can plug in multiple toolkits (like Gmail, HubSpot, and GitHub), and the agent will identify the relevant app and action to complete multi-step workflows. This can reduce token usage and improve the reliability of tool calls. Read more here: Getting started with Tool Router

The tool router generates a secure MCP URL that your agents can access to perform actions.

How the Tool Router works

The Tool Router follows a three-phase workflow:

Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Prerequisites

Before starting, make sure you have:

Composio API Key and Claude/Anthropic API Key
Primary know-how of Claude Agents SDK
A Shippo account
Some knowledge of Python

Getting API Keys for Claude/Anthropic and Composio

Claude/Anthropic API Key

Go to the Anthropic Console and create an API key. You'll need credits to use the models.
Keep the API key safe.

Composio API Key

Log in to the Composio dashboard.
Navigate to your API settings and generate a new API key.
Store this key securely as you'll need it for authentication.

Install dependencies

pip install composio-anthropic claude-agent-sdk python-dotenv

Install the Composio SDK and the Claude Agents SDK.

What's happening:

composio-anthropic provides Composio integration for Anthropic
claude-agent-sdk is the core agent framework
python-dotenv loads environment variables

Set up environment variables

bash

COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here
ANTHROPIC_API_KEY=your_anthropic_api_key_here

Create a .env file in your project root.

What's happening:

COMPOSIO_API_KEY authenticates with Composio
USER_ID identifies the user for session management
ANTHROPIC_API_KEY authenticates with Anthropic/Claude

Import dependencies

import asyncio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions
import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

What's happening:

We're importing all necessary libraries including the Claude Agent SDK and Composio
The load_dotenv() function loads environment variables from your .env file
This setup prepares the foundation for connecting Claude with Shippo functionality

Create a Composio instance and Tool Router session

async def chat_with_remote_mcp():
    api_key = os.getenv("COMPOSIO_API_KEY")
    if not api_key:
        raise RuntimeError("COMPOSIO_API_KEY is not set")

    composio = Composio(api_key=api_key)

    # Create Tool Router session for Shippo
    mcp_server = composio.create(
        user_id=os.getenv("USER_ID"),
        toolkits=["shippo"]
    )

    url = mcp_server.mcp.url

    if not url:
        raise ValueError("Session URL not found")

What's happening:

The function checks for the required COMPOSIO_API_KEY environment variable
We're creating a Composio instance using our API key
The create method creates a Tool Router session for Shippo
The returned url is the MCP server URL that your agent will use

Configure Claude Agent with MCP

# Configure remote MCP server for Claude
options = ClaudeAgentOptions(
    permission_mode="bypassPermissions",
    mcp_servers={
        "composio": {
            "type": "http",
            "url": url,
            "headers": {
                "x-api-key": os.getenv("COMPOSIO_API_KEY")
            }
        }
    },
    system_prompt="You are a helpful assistant with access to Shippo tools via Composio.",
    max_turns=10
)

What's happening:

We're configuring the Claude Agent options with the MCP server URL
permission_mode="bypassPermissions" allows the agent to execute operations without asking for permission each time
The system prompt instructs the agent that it has access to Shippo
max_turns=10 limits the conversation length to prevent excessive API usage

Create client and start chat loop

# Create client with context manager
async with ClaudeSDKClient(options=options) as client:
    print("\nChat started. Type 'exit' or 'quit' to end.\n")

    # Main chat loop
    while True:
        user_input = input("You: ").strip()
        if user_input.lower() in {"exit", "quit"}:
            print("Goodbye!")
            break

        # Send query
        await client.query(user_input)

        # Receive and print response
        print("Claude: ", end="", flush=True)
        async for message in client.receive_response():
            if hasattr(message, "content"):
                for block in message.content:
                    if hasattr(block, "text"):
                        print(block.text, end="", flush=True)
        print()

What's happening:

The Claude SDK client is created using the async context manager pattern
The agent processes each query and streams the response back in real-time
The chat loop continues until the user types 'exit' or 'quit'

Run the application

if __name__ == "__main__":
    asyncio.run(chat_with_remote_mcp())

What's happening:

This entry point runs the async chat_with_remote_mcp() function using asyncio.run()
The application will start, create the MCP connection, and begin the interactive chat session

Complete Code

Here's the complete code to get you started with Shippo and Claude Agent SDK:

import asyncio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions
import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

async def chat_with_remote_mcp():
    api_key = os.getenv("COMPOSIO_API_KEY")
    if not api_key:
        raise RuntimeError("COMPOSIO_API_KEY is not set")

    composio = Composio(api_key=api_key)

    # Create Tool Router session for Shippo
    mcp_server = composio.create(
        user_id=os.getenv("USER_ID"),
        toolkits=["shippo"]
    )

    url = mcp_server.mcp.url

    if not url:
        raise ValueError("Session URL not found")

    # Configure remote MCP server for Claude
    options = ClaudeAgentOptions(
        permission_mode="bypassPermissions",
        mcp_servers={
            "composio": {
                "type": "http",
                "url": url,
                "headers": {
                    "x-api-key": os.getenv("COMPOSIO_API_KEY")
                }
            }
        },
        system_prompt="You are a helpful assistant with access to Shippo tools via Composio.",
        max_turns=10
    )

    # Create client with context manager
    async with ClaudeSDKClient(options=options) as client:
        print("\nChat started. Type 'exit' or 'quit' to end.\n")

        # Main chat loop
        while True:
            user_input = input("You: ").strip()
            if user_input.lower() in {"exit", "quit"}:
                print("Goodbye!")
                break

            # Send query
            await client.query(user_input)

            # Receive and print response
            print("Claude: ", end="", flush=True)
            async for message in client.receive_response():
                if hasattr(message, "content"):
                    for block in message.content:
                        if hasattr(block, "text"):
                            print(block.text, end="", flush=True)
            print()

if __name__ == "__main__":
    asyncio.run(chat_with_remote_mcp())

Conclusion

You've successfully built a Claude Agent SDK agent that can interact with Shippo through Composio's Tool Router.

Key features:

Native MCP support through Claude's agent framework
Streaming responses for real-time interaction
Permission bypass for smooth automated workflows

You can extend this by adding more toolkits, implementing custom business logic, or building a web interface around the agent.

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FAQ

What are the differences in Tool Router MCP and Shippo MCP?

With a standalone Shippo MCP server, the agents and LLMs can only access a fixed set of Shippo tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Shippo and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Claude Agent SDK?

Yes, you can. Claude Agent SDK fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Shippo tools.

Can I manage the permissions and scopes for Shippo while using Tool Router?

Yes, absolutely. You can configure which Shippo scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Shippo data and credentials are handled as safely as possible.

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Harsha GaddipatiCo-founder, Slashy

Karan skipped his own birthday party to fix our critical issue. It was 10 pm and he diverted his Waymo to help us instead. This really sets the bar, shows you the commitment you need to have when users rely on your software.

Abhi AryaCo-founder, Opennote

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it has immensely helped in keeping new users on the platform.

Nirman DaveCEO, Zams

We chose Composio over Pipedream because it delivered depth where it mattered. It supported niche tools and tricky edge cases that other platforms simply ignored. Giving us confidence to scale without compromising.

Ryan YuFounder, Extra Thursday

As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down in the complexities of managing agent auth would have been a death sentence for Extra Thursday.

Tomisin JenrolaFounder & CEO, SwarmZero

Before partnering with Composio, adding tool integrations was a slow, resource-intensive process. Each integration could take weeks or months of engineering time, and maintaining them meant constantly keeping up with API changes.

Jerome LeclancheCo-Founder, Ingram Technologies

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

Harsha GaddipatiCo-founder, Slashy

Abhi AryaCo-founder, Opennote

Nirman DaveCEO, Zams

Ryan YuFounder, Extra Thursday

Tomisin JenrolaFounder & CEO, SwarmZero

Jerome LeclancheCo-Founder, Ingram Technologies

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

Harsha GaddipatiCo-founder, Slashy

Abhi AryaCo-founder, Opennote

Nirman DaveCEO, Zams

Ryan YuFounder, Extra Thursday

Tomisin JenrolaFounder & CEO, SwarmZero

Jerome LeclancheCo-Founder, Ingram Technologies

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

How to integrate Shippo MCP with Claude Agent SDK

Table of Contents

Connect Shippo without Auth hassles

Introduction

TL;DR

What is Claude Agent SDK?

What is the Shippo MCP server, and what's possible with it?

Supported Tools & Triggers

What is the Composio tool router, and how does it fit here?

What is Tool Router?

How the Tool Router works

Step-by-step Guide

Prerequisites

Getting API Keys for Claude/Anthropic and Composio

Install dependencies

Set up environment variables

Import dependencies

Create a Composio instance and Tool Router session

Configure Claude Agent with MCP

Create client and start chat loop

Run the application

Complete Code

Conclusion

How to build Shippo MCP Agent with another framework

OpenAI Agents SDK

Google ADK

LangChain

Vercel AI SDK

Mastra AI

LlamaIndex

CrewAI

Claude Code

Codex

Explore Other Toolkits

Addresszen

Asin data api

Baselinker

FAQ

What are the differences in Tool Router MCP and Shippo MCP?

Can I use Tool Router MCP with Claude Agent SDK?

Can I manage the permissions and scopes for Shippo while using Tool Router?

How safe is my data with Composio Tool Router?

Used by agents from

Never worry about agent reliability