How to integrate NMKR Studio MCP with Pydantic AI

This guide walks you through connecting NMKR Studio to Pydantic AI using the Composio tool router. By the end, you'll have a working NMKR Studio agent that can list your nft projects, inspect nfts, check mint prices, validate metadata, and view payout wallets through natural language commands. This guide will help you understand how to give your Pydantic AI agent real control over a NMKR Studio account through Composio's NMKR Studio MCP server. Before we dive in, let's take a quick look at the key ideas and tools involved.

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NMKR Studio is an NFT platform and API suite for Cardano project creation, asset management, minting, sales, and wallets. Use it to run NFT drops and Cardano asset workflows without building the whole blockchain backend yourself.

11 Tools

Introduction

This guide walks you through connecting NMKR Studio to Pydantic AI using the Composio tool router. By the end, you'll have a working NMKR Studio agent that can list your nft projects, inspect nfts, check mint prices, validate metadata, and view payout wallets through natural language commands.

This guide will help you understand how to give your Pydantic AI agent real control over a NMKR Studio account through Composio's NMKR Studio MCP server.

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

Also integrate NMKR Studio with

OpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

TL;DR

Here's what you'll learn:
  • How to set up your Composio API key and User ID
  • How to create a Composio Tool Router session for NMKR Studio
  • How to attach an MCP Server to a Pydantic AI agent
  • How to stream responses and maintain chat history
  • How to build a simple REPL-style chat interface to test your NMKR Studio workflows

What is Pydantic AI?

Pydantic AI is a Python framework for building AI agents with strong typing and validation. It leverages Pydantic's data validation capabilities to create robust, type-safe AI applications.

Key features include:

  • Type Safety: Built on Pydantic for automatic data validation
  • MCP Support: Native support for Model Context Protocol servers
  • Streaming: Built-in support for streaming responses
  • Async First: Designed for async/await patterns

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

The NMKR Studio MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your NMKR Studio account. It provides structured and secure access to your projects, NFTs, sales settings, wallet information, and Cardano market data, so your agent can review projects, inspect NFTs, check sale settings, monitor balances, and retrieve exchange rates on your behalf.

  • Project and NFT tracking: Have your agent list your projects, review project details and NFT state counts, and browse NFTs by lifecycle state.
  • NFT details and metadata checks: Direct your agent to retrieve a specific NFT, inspect its stored details, and verify whether its metadata is valid.
  • Pricing and sale reviews: Let the agent check current NFT prices and active sale conditions for your projects.
  • Wallet and mint coupon monitoring: Instruct your agent to list configured payout wallets and check your current Cardano mint coupon balance.
  • Token and exchange rate lookup: Have your agent retrieve blockchain token metadata and check current ADA, BTC, USD, EUR, or JPY conversion rates available through NMKR.

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:
  • Python 3.9 or higher
  • A Composio account with an active API key
  • Basic familiarity with Python and async programming
2

Getting API Keys for OpenAI and Composio

OpenAI API Key
  • Go to the OpenAI dashboard and create an API key. You'll need credits to use the models, or you can connect to another model provider.
  • 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.
3

Install dependencies

bash
pip install composio pydantic-ai python-dotenv

Install the required libraries.

What's happening:

  • composio connects your agent to external SaaS tools like NMKR Studio
  • pydantic-ai lets you create structured AI agents with tool support
  • python-dotenv loads your environment variables securely from a .env file
4

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here
OPENAI_API_KEY=your_openai_api_key

Create a .env file in your project root.

What's happening:

  • COMPOSIO_API_KEY authenticates your agent to Composio's API
  • USER_ID associates your session with your account for secure tool access
  • OPENAI_API_KEY to access OpenAI LLMs
5

Import dependencies

python
import asyncio
import os
from dotenv import load_dotenv
from composio import Composio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerStreamableHTTP

load_dotenv()
What's happening:
  • We load environment variables and import required modules
  • Composio manages connections to NMKR Studio
  • MCPServerStreamableHTTP connects to the NMKR Studio MCP server endpoint
  • Agent from Pydantic AI lets you define and run the AI assistant
6

Create a Tool Router Session

python
async def main():
    api_key = os.getenv("COMPOSIO_API_KEY")
    user_id = os.getenv("USER_ID")
    if not api_key or not user_id:
        raise RuntimeError("Set COMPOSIO_API_KEY and USER_ID in your environment")

    # Create a Composio Tool Router session for NMKR Studio
    composio = Composio(api_key=api_key)
    session = composio.create(
        user_id=user_id,
        toolkits=["nmkr_studio"],
    )
    url = session.mcp.url
    if not url:
        raise ValueError("Composio session did not return an MCP URL")
What's happening:
  • We're creating a Tool Router session that gives your agent access to NMKR Studio tools
  • The create method takes the user ID and specifies which toolkits should be available
  • The returned session.mcp.url is the MCP server URL that your agent will use
7

Initialize the Pydantic AI Agent

python
# Attach the MCP server to a Pydantic AI Agent
nmkr_studio_mcp = MCPServerStreamableHTTP(url, headers={"x-api-key": COMPOSIO_API_KEY})
agent = Agent(
    "openai:gpt-5",
    toolsets=[nmkr_studio_mcp],
    instructions=(
        "You are a NMKR Studio assistant. Use NMKR Studio tools to help users "
        "with their requests. Ask clarifying questions when needed."
    ),
)
What's happening:
  • The MCP client connects to the NMKR Studio endpoint
  • The agent uses GPT-5 to interpret user commands and perform NMKR Studio operations
  • The instructions field defines the agent's role and behavior
8

Build the chat interface

python
# Simple REPL with message history
history = []
print("Chat started! Type 'exit' or 'quit' to end.\n")
print("Try asking the agent to help you with NMKR Studio.\n")

while True:
    user_input = input("You: ").strip()
    if user_input.lower() in {"exit", "quit", "bye"}:
        print("\nGoodbye!")
        break
    if not user_input:
        continue

    print("\nAgent is thinking...\n", flush=True)

    async with agent.run_stream(user_input, message_history=history) as stream_result:
        collected_text = ""
        async for chunk in stream_result.stream_output():
            text_piece = None
            if isinstance(chunk, str):
                text_piece = chunk
            elif hasattr(chunk, "delta") and isinstance(chunk.delta, str):
                text_piece = chunk.delta
            elif hasattr(chunk, "text"):
                text_piece = chunk.text
            if text_piece:
                collected_text += text_piece
        result = stream_result

    print(f"Agent: {collected_text}\n")
    history = result.all_messages()
What's happening:
  • The agent reads input from the terminal and streams its response
  • NMKR Studio API calls happen automatically under the hood
  • The model keeps conversation history to maintain context across turns
9

Run the application

python
if __name__ == "__main__":
    asyncio.run(main())
What's happening:
  • The asyncio loop launches the agent and keeps it running until you exit

Complete Code

Here's the complete code to get you started with NMKR Studio and Pydantic AI:

python
import asyncio
import os
from dotenv import load_dotenv
from composio import Composio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerStreamableHTTP

load_dotenv()

async def main():
    api_key = os.getenv("COMPOSIO_API_KEY")
    user_id = os.getenv("USER_ID")
    if not api_key or not user_id:
        raise RuntimeError("Set COMPOSIO_API_KEY and USER_ID in your environment")

    # Create a Composio Tool Router session for NMKR Studio
    composio = Composio(api_key=api_key)
    session = composio.create(
        user_id=user_id,
        toolkits=["nmkr_studio"],
    )
    url = session.mcp.url
    if not url:
        raise ValueError("Composio session did not return an MCP URL")

    # Attach the MCP server to a Pydantic AI Agent
    nmkr_studio_mcp = MCPServerStreamableHTTP(url, headers={"x-api-key": COMPOSIO_API_KEY})
    agent = Agent(
        "openai:gpt-5",
        toolsets=[nmkr_studio_mcp],
        instructions=(
            "You are a NMKR Studio assistant. Use NMKR Studio tools to help users "
            "with their requests. Ask clarifying questions when needed."
        ),
    )

    # Simple REPL with message history
    history = []
    print("Chat started! Type 'exit' or 'quit' to end.\n")
    print("Try asking the agent to help you with NMKR Studio.\n")

    while True:
        user_input = input("You: ").strip()
        if user_input.lower() in {"exit", "quit", "bye"}:
            print("\nGoodbye!")
            break
        if not user_input:
            continue

        print("\nAgent is thinking...\n", flush=True)

        async with agent.run_stream(user_input, message_history=history) as stream_result:
            collected_text = ""
            async for chunk in stream_result.stream_output():
                text_piece = None
                if isinstance(chunk, str):
                    text_piece = chunk
                elif hasattr(chunk, "delta") and isinstance(chunk.delta, str):
                    text_piece = chunk.delta
                elif hasattr(chunk, "text"):
                    text_piece = chunk.text
                if text_piece:
                    collected_text += text_piece
            result = stream_result

        print(f"Agent: {collected_text}\n")
        history = result.all_messages()

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

Conclusion

You've built a Pydantic AI agent that can interact with NMKR Studio through Composio's Tool Router. With this setup, your agent can perform real NMKR Studio actions through natural language. You can extend this further by:
  • Adding other toolkits like Gmail, HubSpot, or Salesforce
  • Building a web-based chat interface around this agent
  • Using multiple MCP endpoints to enable cross-app workflows (for example, Gmail + NMKR Studio for workflow automation)
This architecture makes your AI agent "agent-native", able to securely use APIs in a unified, composable way without custom integrations.
TOOLS

Supported Tools

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

Get Exchange Rates

Return NMKR's current BTC, USD, EUR, and JPY conversion rates for a supported coin; omitting coin requests the provider's ADA default.

Get Mint Coupon Balance

Return the connected account's Cardano mint-coupon balance, effective time, and documented mint-purchase address.

Get NFT

Return one NFT's details using either its NMKR NFT UID or the combination of project UID and NFT name.

Get Project

Return details and NFT state counts for an NMKR Studio project identified by its project UID.

Get Project Pricelist

Return the currently valid NFT prices configured for an NMKR Studio project, optionally including all prices exposed by NMKR.

Get Project Sale Conditions

Return the active sale conditions configured for an NMKR Studio project.

Get Token Metadata

Return metadata for a blockchain token identified by policy ID and hex-encoded token name.

List Payout Wallets

Return payout wallets already configured on the connected NMKR Studio account; this tool does not add, validate, or expose wallet secrets.

List Project NFTs

Return one page of NFTs in a project filtered by lifecycle state, with a continuation cursor for additional pages.

List Projects

Return one page of projects owned by the connected NMKR Studio account, including identifiers needed by project and NFT tools.

Validate NFT Metadata

Check whether the metadata already stored for an NFT is valid; this read-only form does not submit or update metadata.

FRAMEWORKS

How to build NMKR Studio MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use NMKR Studio MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use NMKR Studio MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use NMKR Studio MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use NMKR Studio MCP with Claude Cowork

Codex logo

Codex

Use NMKR Studio MCP with Codex

OpenClaw logo

OpenClaw

Use NMKR Studio MCP with OpenClaw

Hermes logo

Hermes

Use NMKR Studio MCP with Hermes

CLI logo

CLI

Use NMKR Studio MCP with CLI

Google ADK logo

Google ADK

Use NMKR Studio MCP with Google ADK

LangChain logo

LangChain

Use NMKR Studio MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use NMKR Studio MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use NMKR Studio MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use NMKR Studio MCP with LlamaIndex

CrewAI logo

CrewAI

Use NMKR Studio MCP with CrewAI

FAQ

Frequently asked questions

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

Yes, you can. Pydantic AI 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 NMKR Studio tools.

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

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