How to integrate Rocketlane MCP with Claude Agent SDK

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Introduction

This guide walks you through connecting Rocketlane to the Claude Agent SDK using the Composio tool router. By the end, you'll have a working Rocketlane agent that can create a new onboarding project for acme corp, log two hours to client implementation task, archive completed projects from last quarter through natural language commands.

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

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

Also integrate Rocketlane with

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 Rocketlane
  • Configure an AI agent that can use Rocketlane as a tool
  • Run a live chat session where you can ask the agent to perform Rocketlane 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 Rocketlane MCP server, and what's possible with it?

The Rocketlane MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Rocketlane account. It provides structured and secure access to your onboarding projects, tasks, and customer data, so your agent can perform actions like creating tasks, managing companies, tracking time entries, and handling project organization on your behalf.

  • Project and company management: Easily direct your agent to create new projects or companies, retrieve detailed company info, and keep your workspace organized.
  • Task creation and deletion: Have your agent add new tasks to any project or swiftly delete outdated tasks using their unique identifiers.
  • Time entry tracking: Log time spent on tasks or projects, review details, or delete time entries for accurate billing and reporting.
  • Custom field insights: Retrieve all available custom fields or fetch specific field details to tailor onboarding workflows to your needs.
  • Project archiving and cleanup: Archive completed projects for future reference or permanently delete projects when they're no longer needed, keeping your workspace tidy.

Supported Tools & Triggers

Tools
Add Assignee To TaskAdd assignees to a task by task ID.
Add Field OptionTool to add a new option to a SINGLE_CHOICE or MULTIPLE_CHOICE field.
Add Followers To TaskTool to add followers to a task by Id.
Add Members to ProjectTool to add team members to a project using the projectId.
Add Members to ConversationAdd members to a conversation in Rocketlane.
Archive Project by IDArchives a specific project based on its unique identifier.
Create CommentTool to create a comment in Rocketlane.
Create CompanyCreates a new company (account) in Rocketlane.
Create ConversationCreates a new conversation in Rocketlane.
Create FieldTool to create a custom field in Rocketlane.
Create PhaseTool to create a new phase in a Rocketlane project.
Create ProjectTool to create a new project in Rocketlane.
Create SpaceCreates a new space for a given project in Rocketlane.
Create Space DocumentTool to create a new space document in Rocketlane.
Create TaskCreates a new task.
Create Time EntryTool to create a new time entry in Rocketlane.
Delete Comment By IDTool to delete a comment by its ID.
Delete ConversationTool to delete a conversation by its unique identifier.
Delete FieldTool to permanently delete a custom field using its unique identifier.
Delete PhasePermanently delete a phase from the project using its unique identifier (phaseId).
Delete ProjectThis tool allows users to permanently delete a project in Rocketlane.
Delete SpaceTool to permanently delete a space from a project by its ID.
Delete Space DocumentTool to permanently delete a space document by its ID.
Delete Task By IDDelete a specific task using its unique identifier (taskId).
Delete Time Entry by IDDelete a specific time entry using its unique identifier (timeEntryId).
Get All ConversationsTool to retrieve all conversations in Rocketlane.
Get All FieldsRetrieve all custom fields available in the system.
Get All Resource AllocationsTool to retrieve all resource allocations from Rocketlane.
Get All SpacesTool to retrieve all spaces for a specific project in Rocketlane.
Get All TasksTool to retrieve all tasks from Rocketlane with advanced filtering options.
Get All Time-OffsTool to retrieve all time-offs from Rocketlane with advanced filtering options.
Get CommentsTool to retrieve all comments from Rocketlane.
Get CompanyThis tool retrieves detailed information about a specific company/account in Rocketlane by its ID.
Get ConversationTool to retrieve detailed information about a conversation by its ID.
Get Field By IDRetrieve detailed information about a specific custom field using its unique identifier (fieldId).
Get Phase by IDTool to retrieve extensive information about a specific phase by its unique identifier.
Get Project by IDRetrieves detailed information about a specific project using its unique identifier.
Get Space by IDTool to retrieve detailed information about a specific space using its unique identifier.
Get Task By IdRetrieve extensive information about a specific task using the task's unique identifier (taskId).
Get Template By IDRetrieve detailed information about a specific template using its unique identifier (templateId).
Get Time EntriesTool to retrieve all time entries from Rocketlane.
Get Time Entry By IDRetrieve detailed information about a specific time entry using its unique identifier (timeEntryId).
Get Time Entry CategoriesTool to retrieve time entry categories from Rocketlane.
Get User By IDRetrieve detailed information about a specific user using their unique identifier (userId).
List CompaniesThis tool retrieves a list of all companies/accounts in Rocketlane.
List CurrenciesReturns a predefined list of commonly used currencies since Rocketlane API doesn't provide a dedicated currencies endpoint.
List Project PhasesThis tool retrieves a list of project phases from Rocketlane.
List ProjectsThis tool retrieves a list of all projects in the Rocketlane instance.
List TemplatesThis tool retrieves a list of all available templates in Rocketlane.
List UsersThis tool retrieves all users in the Rocketlane instance.
Move Task To Given PhaseTool to move a task to a different phase by task ID and phase ID.
Remove Assignees From TaskTool to remove assignees from a task by its unique identifier.
Remove Dependencies From TaskTool to remove dependencies from a task by ID.
Remove Followers From TaskTool to remove followers from a task by task ID.
Remove Members from ConversationRemove members from a conversation in Rocketlane.
Retrieve Subscription DetailsRetrieves detailed information about the current subscription.
Search InvoicesTool to retrieve all invoices from Rocketlane.
Search Time EntriesTool to search time entries with filters in Rocketlane.
Search User By EmailSearch User By Email Id.
Update CompanyThis tool updates an existing company/account in Rocketlane.
Update ConversationTool to update an existing conversation in Rocketlane by its ID.
Update FieldTool to update field information by ID.
Update Field OptionTool to update an existing option's label and color in a SINGLE_CHOICE or MULTIPLE_CHOICE field.
Update PhaseTool to update phase information by phase ID.
Update Project By IdUpdates an existing project's details using its unique identifier.
Update SpaceTool to update space details by its unique identifier.
Update Space DocumentTool to update a space document's properties by its unique identifier in Rocketlane.
Update Task by IDTool to update task details by ID.
Update Time Entry by IDUpdate existing time entry details using its unique identifier (timeEntryId).

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

What is Composio SDK?

Composio's Composio SDK 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 Composio SDK

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

How the Composio SDK works

The Composio SDK follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. 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 Rocketlane 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 Rocketlane 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 Rocketlane
    mcp_server = composio.create(
        user_id=os.getenv("USER_ID"),
        toolkits=["rocketlane"]
    )

    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 Rocketlane
  • 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 Rocketlane 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 Rocketlane
  • 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 Rocketlane 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 Rocketlane
    mcp_server = composio.create(
        user_id=os.getenv("USER_ID"),
        toolkits=["rocketlane"]
    )

    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 Rocketlane 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 Rocketlane 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 Rocketlane MCP?

With a standalone Rocketlane MCP server, the agents and LLMs can only access a fixed set of Rocketlane tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Rocketlane 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 Rocketlane tools.

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

Yes, absolutely. You can configure which Rocketlane 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 Rocketlane data and credentials are handled as safely as possible.

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