How to integrate Tapfiliate MCP with Google ADK

This guide walks you through connecting Tapfiliate to Google ADK using the Composio tool router. By the end, you'll have a working Tapfiliate agent that can list all active affiliates for this month, retrieve payout methods for affiliate jane doe, create a payment for affiliate id 12345 through natural language commands. This guide will help you understand how to give your Google ADK agent real control over a Tapfiliate account through Composio's Tapfiliate MCP server. Before we dive in, let's take a quick look at the key ideas and tools involved.

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Tapfiliate is an affiliate and referral tracking platform for businesses. It helps companies efficiently manage, track, and grow their affiliate programs.

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Introduction

This guide walks you through connecting Tapfiliate to Google ADK using the Composio tool router. By the end, you'll have a working Tapfiliate agent that can list all active affiliates for this month, retrieve payout methods for affiliate jane doe, create a payment for affiliate id 12345 through natural language commands.

This guide will help you understand how to give your Google ADK agent real control over a Tapfiliate account through Composio's Tapfiliate MCP server.

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

Also integrate Tapfiliate with

OpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenClawHermesCLILangChainVercel AI SDKMastra AILlamaIndexCrewAI

TL;DR

Here's what you'll learn:
  • Get a Tapfiliate account set up and connected to Composio
  • Install the Google ADK and Composio packages
  • Create a Composio Tool Router session for Tapfiliate
  • Build an agent that connects to Tapfiliate through MCP
  • Interact with Tapfiliate using natural language

What is Google ADK?

Google ADK (Agents Development Kit) is Google's framework for building AI agents powered by Gemini models. It provides tools for creating agents that can use external services through the Model Context Protocol.

Key features include:

  • Gemini Integration: Native support for Google's Gemini models
  • MCP Toolset: Built-in support for Model Context Protocol tools
  • Streamable HTTP: Connect to external services through streamable HTTP
  • CLI and Web UI: Run agents via command line or web interface

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

The Tapfiliate MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Tapfiliate account. It provides structured and secure access to your affiliate and referral program data, so your agent can perform actions like managing affiliates, tracking commissions, handling payments, and organizing programs on your behalf.

  • Affiliate management and insights: Instantly list all affiliates, retrieve detailed affiliate profiles, or remove affiliates as your programs evolve.
  • Commission tracking and reporting: Let your agent fetch comprehensive commission records, apply filters, and access historical payouts for monitoring performance.
  • Automated payment handling: Effortlessly list, retrieve, or create payments to credit affiliates, ensuring accurate and timely compensation.
  • Payout method discovery: Retrieve available payout options for affiliates to streamline compensation workflows and support diverse payment needs.
  • Program organization and overview: Quickly list all affiliate programs and assets, helping you stay on top of your marketing initiatives and campaign structure.

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

Step by step09 STEPS
1

Prerequisites

Before starting, make sure you have:
  • A Google API key for Gemini models
  • A Composio account and API key
  • Python 3.9 or later installed
  • Basic familiarity with Python
2

Getting API Keys for Google and Composio

Google API Key
  • Go to Google AI Studio and create an API key.
  • Copy the key and keep it safe. You will put this in GOOGLE_API_KEY.
Composio API Key and User ID
  • Log in to the Composio dashboard.
  • Go to Settings → API Keys and copy your Composio API key. Use this for COMPOSIO_API_KEY.
  • Decide on a stable user identifier to scope sessions, often your email or a user ID. Use this for COMPOSIO_USER_ID.
3

Install dependencies

bash
pip install google-adk composio python-dotenv

Inside your virtual environment, install the required packages.

What's happening:

  • google-adk is Google's Agents Development Kit
  • composio connects your agent to Tapfiliate via MCP
  • python-dotenv loads environment variables
4

Set up ADK project

bash
adk create my_agent

Set up a new Google ADK project.

What's happening:

  • This creates an agent folder with a root agent file and .env file
5

Set environment variables

bash
GOOGLE_API_KEY=your-google-api-key
COMPOSIO_API_KEY=your-composio-api-key
COMPOSIO_USER_ID=your-user-id-or-email

Save all your credentials in the .env file.

What's happening:

  • GOOGLE_API_KEY authenticates with Google's Gemini models
  • COMPOSIO_API_KEY authenticates with Composio
  • COMPOSIO_USER_ID identifies the user for session management
6

Import modules and validate environment

python
import os
import warnings

from composio import Composio
from dotenv import load_dotenv
from google.adk.agents.llm_agent import Agent
from google.adk.tools.mcp_tool.mcp_session_manager import StreamableHTTPConnectionParams
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset

load_dotenv()

warnings.filterwarnings("ignore", message=".*BaseAuthenticatedTool.*")

GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
COMPOSIO_USER_ID = os.getenv("COMPOSIO_USER_ID")

if not GOOGLE_API_KEY:
    raise ValueError("GOOGLE_API_KEY is not set in the environment.")
if not COMPOSIO_API_KEY:
    raise ValueError("COMPOSIO_API_KEY is not set in the environment.")
if not COMPOSIO_USER_ID:
    raise ValueError("COMPOSIO_USER_ID is not set in the environment.")
What's happening:
  • os reads environment variables
  • Composio is the main Composio SDK client
  • GoogleProvider declares that you are using Google ADK as the agent runtime
  • Agent is the Google ADK LLM agent class
  • McpToolset lets the ADK agent call MCP tools over HTTP
7

Create Composio client and Tool Router session

python
composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=COMPOSIO_USER_ID,
    toolkits=["tapfiliate"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url,
print(f"Composio MCP URL: {COMPOSIO_MCP_URL}")
What's happening:
  • Authenticates to Composio with your API key
  • Declares Google ADK as the provider
  • Spins up a short-lived MCP endpoint for your user and selected toolkit
  • Stores the MCP HTTP URL for the ADK MCP integration
8

Set up the McpToolset and create the Agent

python
composio_toolset = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url=COMPOSIO_MCP_URL,
        headers={"x-api-key": COMPOSIO_API_KEY}
    )
)

root_agent = Agent(
    model="gemini-2.5-flash",
    name="composio_agent",
    description="An agent that uses Composio tools to perform actions.",
    instruction=(
        "You are a helpful assistant connected to Composio. "
        "You have the following tools available: "
        "COMPOSIO_SEARCH_TOOLS, COMPOSIO_MULTI_EXECUTE_TOOL, "
        "COMPOSIO_MANAGE_CONNECTIONS, COMPOSIO_REMOTE_BASH_TOOL, COMPOSIO_REMOTE_WORKBENCH. "
        "Use these tools to help users with Tapfiliate operations."
    ),
    tools=[composio_toolset],
)

print("\nAgent setup complete. You can now run this agent directly ;)")
What's happening:
  • Connects the ADK agent to the Composio MCP endpoint through McpToolset
  • Uses Gemini as the model powering the agent
  • Lists exact tool names in instruction to reduce misnamed tool calls
9

Run the agent

bash
# Run in CLI mode
adk run my_agent

# Or run in web UI mode
adk web

Execute the agent from the project root. The web command opens a web portal where you can chat with the agent.

What's happening:

  • adk run runs the agent in CLI mode
  • adk web . opens a web UI for interactive testing

Complete Code

Here's the complete code to get you started with Tapfiliate and Google ADK:

python
import os
import warnings

from composio import Composio
from composio_google import GoogleProvider
from dotenv import load_dotenv
from google.adk.agents.llm_agent import Agent
from google.adk.tools.mcp_tool.mcp_session_manager import StreamableHTTPConnectionParams
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset

load_dotenv()
warnings.filterwarnings("ignore", message=".*BaseAuthenticatedTool.*")

GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
COMPOSIO_USER_ID = os.getenv("COMPOSIO_USER_ID")

if not GOOGLE_API_KEY:
    raise ValueError("GOOGLE_API_KEY is not set in the environment.")
if not COMPOSIO_API_KEY:
    raise ValueError("COMPOSIO_API_KEY is not set in the environment.")
if not COMPOSIO_USER_ID:
    raise ValueError("COMPOSIO_USER_ID is not set in the environment.")

composio_client = Composio(api_key=COMPOSIO_API_KEY, provider=GoogleProvider())

composio_session = composio_client.create(
    user_id=COMPOSIO_USER_ID,
    toolkits=["tapfiliate"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url


composio_toolset = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url=COMPOSIO_MCP_URL,
        headers={"x-api-key": COMPOSIO_API_KEY}
    )
)

root_agent = Agent(
    model="gemini-2.5-flash",
    name="composio_agent",
    description="An agent that uses Composio tools to perform actions.",
    instruction=(
        "You are a helpful assistant connected to Composio. "
        "You have the following tools available: "
        "COMPOSIO_SEARCH_TOOLS, COMPOSIO_MULTI_EXECUTE_TOOL, "
        "COMPOSIO_MANAGE_CONNECTIONS, COMPOSIO_REMOTE_BASH_TOOL, COMPOSIO_REMOTE_WORKBENCH. "
        "Use these tools to help users with Tapfiliate operations."
    ),  
    tools=[composio_toolset],
)

print("\nAgent setup complete. You can now run this agent directly ;)")

Conclusion

You've successfully integrated Tapfiliate with the Google ADK through Composio's MCP Tool Router. Your agent can now interact with Tapfiliate using natural language commands.

Key takeaways:

  • The Tool Router approach dynamically routes requests to the appropriate Tapfiliate tools
  • Environment variables keep your credentials secure and separate from code
  • Clear agent instructions reduce tool calling errors
  • The ADK web UI provides an interactive interface for testing and development

You can extend this setup by adding more toolkits to the toolkits array in your session configuration.

TOOLS

Supported Tools

Every Tapfiliate action and event your agent gets out of the box.

Retrieve an Affiliate

Tool to retrieve details of a specific affiliate.

Cancel a Payment

Tool to cancel a specific payment.

List all commissions

Tool to retrieve all commissions.

Create an Affiliate

Tool to create a new affiliate account.

Create Affiliate Group

Tool to create a new affiliate group.

Create Affiliate Note

Tool to create a note for an affiliate.

Create Affiliate Prospect

Tool to create an affiliate prospect.

Delete affiliate meta data

Tool to delete metadata by key for an affiliate.

Delete an affiliate prospect

Tool to delete a specific affiliate prospect.

Delete an affiliate

Tool to delete a specific affiliate.

Get Affiliate Balances

Tool to retrieve an affiliate's balances across multiple currencies.

Get Affiliate Meta Data by Key

Tool to retrieve specific metadata value by key for an affiliate.

Get Affiliate Prospect

Tool to retrieve details of a specific affiliate prospect.

Retrieve a Program

Tool to retrieve details of a specific program.

List affiliate custom fields

Tool to get custom fields configured for affiliates.

List all affiliate groups

Tool to list all affiliate groups.

List Affiliate Meta Data

Tool to retrieve metadata for a specific affiliate.

List affiliate notes

Tool to list notes for a specific affiliate.

List affiliate's payments

Tool to list all payments for a specific affiliate.

List Affiliate Programs

Tool to list all programs (affiliations) associated with a specific affiliate.

List Affiliate Prospects

Tool to list all affiliate prospects.

List all affiliates

Tool to list all affiliates.

List all balances

Tool to list all outstanding affiliate balances.

List conversions

Tool to list all conversions.

List all customers

Tool to list all customers with optional filtering by program, customer ID, affiliate, or date range.

List program affiliates

Tool to list all affiliates in a specific program.

List program bonuses

Tool to list all bonuses for a specific program.

List program commission types

Tool to list commission types for a specific program.

List program MLM levels

Tool to list MLM levels for a program.

Create a Payment

Tool to create a payment.

List all payments

Tool to list all payments.

Retrieve a Payment

Tool to retrieve details of a specific payment.

List all payout methods

Tool to retrieve a list of all payout methods for an affiliate.

List all programs

Tool to list all programs.

Remove affiliate group from affiliate

Tool to remove affiliate group from an affiliate.

Set Affiliate Group

Tool to set the affiliate group for a specific affiliate.

Set Affiliate Meta Data

Tool to update (replace) metadata for an affiliate.

Set Affiliate Metadata by Key

Tool to set or update a specific metadata field for an affiliate by key.

Set Affiliate Parent

Tool to set a parent affiliate relationship for a child affiliate.

Update Affiliate Group

Tool to update an affiliate group's details.

FRAMEWORKS

How to build Tapfiliate MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Tapfiliate MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Tapfiliate MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Tapfiliate MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Tapfiliate MCP with Claude Cowork

Codex logo

Codex

Use Tapfiliate MCP with Codex

OpenClaw logo

OpenClaw

Use Tapfiliate MCP with OpenClaw

Hermes logo

Hermes

Use Tapfiliate MCP with Hermes

CLI logo

CLI

Use Tapfiliate MCP with CLI

LangChain logo

LangChain

Use Tapfiliate MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Tapfiliate MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Tapfiliate MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Tapfiliate MCP with LlamaIndex

CrewAI logo

CrewAI

Use Tapfiliate MCP with CrewAI

FAQ

Frequently asked questions

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

Yes, you can. Google ADK 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 Tapfiliate tools.

Yes, absolutely. You can configure which Tapfiliate 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.

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 Tapfiliate data and credentials are handled as safely as possible.

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