How to integrate Clientary MCP with Claude Code

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Introduction

Manage your Clientary directly from Claude Code with zero worries about OAuth hassles, API-breaking issues, or reliability and security concerns.

You can do this in two different ways:

  1. Via Rube - Direct and easiest approach
  2. Via Composio SDK - Programmatic approach with more control

Why Rube?

Rube is a universal MCP server with access to 850+ SaaS apps. It ensures just-in-time tool loading so Claude can access the tools it needs, a remote workbench for programmatic tool calling and handling large tool responses out of the LLM context window, ensuring the LLM context window remains clean.

Connect Clientary to Claude Code with Rube

1. Get the MCP URL

Copy and paste the below command in Claude Code to add Rube MCP.

Terminal

2. Authenticate Rube

Run /mcp to view Rube

bash
/mcp
Run /mcp to view Rube in Claude Code
Click on Rube to authenticate
Authentication flow complete

3. Ensure it's connected

Run /mcp again to verify the connection. Now, do whatever you want with Claude Code and Clientary.

Rube connected successfully

Supported Tools & Triggers

Tools
Create ClientTool to create a new client record in Clientary.
Create ContactTool to create a new contact within a specified client.
Create ExpenseTool to create a new expense record in Clientary to track expenditures within your account.
Create LeadTool to create a new lead record in Clientary.
Create ProjectTool to create a new project in Clientary with name and rate.
Create TaskTool to create a new task in Clientary.
Delete ClientTool to remove a client and all associated projects, invoices, estimates, and contacts.
Delete LeadTool to permanently delete a lead and all associated Estimates and Contacts.
Delete PaymentTool to remove an existing payment from an invoice.
Delete Payment ProfileTool to remove a specific payment profile from a client's account.
Delete Recurring ScheduleTool to remove a recurring schedule by its identifier.
Get ClientTool to fetch details for a specific client using its ID.
Get ContactTool to retrieve a single contact by its ID.
Get EstimateTool to retrieve details for a single estimate by ID.
Get ExpenseTool to retrieve details for a single expense record in Clientary.
Get Hour EntryTool to obtain details about a specific time entry in Clientary.
Get InvoiceTool to retrieve detailed information for a specific invoice by ID.
Get LeadTool to retrieve a single lead by its ID.
Get ProjectTool to retrieve a single project by its identifier.
Get StaffTool to retrieve a single staff member by their ID.
Get TaskTool to retrieve a specific task by its ID.
List Client ContactsTool to retrieve all contacts for a specific client with pagination support.
List Client ExpensesTool to retrieve all expenses for a specific client within an optional date range.
List Client InvoicesTool to retrieve all invoices for a specific client with pagination support (30 results per page).
List Client ProjectsTool to retrieve all projects associated with a specific client with pagination support (10 results per page).
List ClientsTool to retrieve all clients with pagination support (10 results per page).
List ExpensesTool to retrieve expenses by date range (defaults to current fiscal year).
List LeadsTool to retrieve all leads with pagination support.
List PaymentsTool to retrieve all payments with pagination support (30 results per page).
List Project EstimatesTool to retrieve estimates scoped to a particular project with pagination support (30 results per page).
List Project ExpensesTool to retrieve all expenses for a specific project within an optional date range.
List Project HoursTool to retrieve all time tracking entries logged against a specific project.
List Project InvoicesTool to retrieve all invoices linked to a specific project with pagination support (30 results per page).
List ProjectsTool to retrieve all projects with pagination support (10 results per page).
List StaffTool to retrieve all staff members for an account.
List TasksTool to retrieve all tasks with pagination support (50 results per page).
Send Invoice MessageTool to send an invoice message to recipients via email.
Update ClientTool to update an existing client record in Clientary with partial or complete field modifications.
Update ExpenseTool to update an existing expense record in Clientary with partial or complete field modifications.
Update Hour EntryTool to modify an existing time entry in Clientary with partial or complete field updates.
Update ProjectTool to update an existing project in Clientary with partial or complete field modifications.
Update TaskTool to update an existing task in Clientary with partial or complete field modifications.

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

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

Connecting Clientary via Tool Router

Tool Router is the underlying tech that powers Rube. It's a universal gateway that does everything Rube does but with much more programmatic control. You can programmatically generate an MCP URL with the app you need (here Clientary) for even more tool search precision. It's secure and reliable.

How the Tool Router works

The Tool Router 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:
  • Claude Pro, Max, or API billing enabled Anthropic account
  • Composio API Key
  • A Clientary account
  • Basic knowledge of Python or TypeScript

Install Claude Code

bash
# macOS, Linux, WSL
curl -fsSL https://claude.ai/install.sh | bash

# Windows PowerShell
irm https://claude.ai/install.ps1 | iex

# Windows CMD
curl -fsSL https://claude.ai/install.cmd -o install.cmd && install.cmd && del install.cmd

To install Claude Code, use one of the following methods based on your operating system:

Set up Claude Code

bash
cd your-project-folder
claude

Open a terminal, go to your project folder, and start Claude Code:

  • Claude Code will open in your terminal
  • Follow the prompts to sign in with your Anthropic account
  • Complete the authentication flow
  • Once authenticated, you can start using Claude Code
Claude Code initial setup showing sign-in prompt
Claude Code terminal after successful login

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here

Create a .env file in your project root with the following variables:

  • COMPOSIO_API_KEY authenticates with Composio (get it from Composio dashboard)
  • USER_ID identifies the user for session management (use any unique identifier)

Install Composio library

pip install composio-core python-dotenv

Install the Composio Python library to create MCP sessions.

  • composio-core provides the core Composio functionality
  • python-dotenv loads environment variables from your .env file

Generate Composio MCP URL

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["clientary"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http clientary-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Create a script to generate a Composio MCP URL for Clientary. This URL will be used to connect Claude Code to Clientary.

What's happening:
  • We import the Composio client and load environment variables
  • Create a Composio instance with your API key
  • Call create() to create a Tool Router session for Clientary
  • The returned mcp.url is the MCP server URL that Claude Code will use
  • The script prints this URL so you can copy it

Run the script and copy the MCP URL

python generate_mcp_url.py

Run your Python script to generate the MCP URL.

  • The script connects to Composio and creates a Tool Router session
  • It prints the MCP URL and the exact command you need to run
  • Copy the entire claude mcp add command from the output

Add Clientary MCP to Claude Code

bash
claude mcp add --transport http clientary-composio "YOUR_MCP_URL_HERE" --headers "X-API-Key:YOUR_COMPOSIO_API_KEY"

# Then restart Claude Code
exit
claude

In your terminal, add the MCP server using the command from the previous step. The command format is:

  • claude mcp add registers a new MCP server with Claude Code
  • --transport http specifies that this is an HTTP-based MCP server
  • The server name (clientary-composio) is how you'll reference it
  • The URL points to your Composio Tool Router session
  • --headers includes your Composio API key for authentication

After running the command, close the current Claude Code session and start a new one for the changes to take effect.

Verify the installation

bash
claude mcp list

Check that your Clientary MCP server is properly configured.

  • This command lists all MCP servers registered with Claude Code
  • You should see your clientary-composio entry in the list
  • This confirms that Claude Code can now access Clientary tools

If everything is wired up, you should see your clientary-composio entry listed:

Claude Code MCP list showing the toolkit MCP server

Authenticate Clientary

The first time you try to use Clientary tools, you'll be prompted to authenticate.

  • Claude Code will detect that you need to authenticate with Clientary
  • It will show you an authentication link
  • Open the link in your browser (or copy/paste it)
  • Complete the Clientary authorization flow
  • Return to the terminal and start using Clientary through Claude Code

Once authenticated, you can ask Claude Code to perform Clientary operations in natural language. For example:

  • "Create new invoice for a client"
  • "List all active projects this month"
  • "Send payment reminder to overdue clients"

Complete Code

Here's the complete code to get you started with Clientary and Claude Code:

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["clientary"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http clientary-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Conclusion

You've successfully integrated Clientary with Claude Code using Composio's MCP server. Now you can interact with Clientary directly from your terminal using natural language commands.

Key features of this setup:

  • Terminal-native experience without switching contexts
  • Natural language commands for Clientary operations
  • Secure authentication through Composio's managed MCP
  • Tool Router for dynamic tool discovery and execution

Next steps:

  • Try asking Claude Code to perform various Clientary operations
  • Add more toolkits to your Tool Router session for multi-app workflows
  • Integrate this setup into your development workflow for increased productivity

You can extend this by adding more toolkits, implementing custom workflows, or building automation scripts that leverage Claude Code's capabilities.

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FAQ

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

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

Can I use Tool Router MCP with Claude Code?

Yes, you can. Claude Code 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 Clientary tools.

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

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

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