# How to integrate Promptmate io MCP with LangChain

```json
{
  "title": "How to integrate Promptmate io MCP with LangChain",
  "toolkit": "Promptmate io",
  "toolkit_slug": "promptmate_io",
  "framework": "LangChain",
  "framework_slug": "langchain",
  "url": "https://composio.dev/toolkits/promptmate_io/framework/langchain",
  "markdown_url": "https://composio.dev/toolkits/promptmate_io/framework/langchain.md",
  "updated_at": "2026-05-12T10:22:57.575Z"
}
```

## Introduction

This guide walks you through connecting Promptmate io to LangChain using the Composio tool router. By the end, you'll have a working Promptmate io agent that can list all active promptmate app integrations, create webhook for new job completions, delete webhook with specific webhook id through natural language commands.
This guide will help you understand how to give your LangChain agent real control over a Promptmate io account through Composio's Promptmate io MCP server.
Before we dive in, let's take a quick look at the key ideas and tools involved.

## Also integrate Promptmate io with

- [OpenAI Agents SDK](https://composio.dev/toolkits/promptmate_io/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/promptmate_io/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/promptmate_io/framework/claude-code)
- [Claude Cowork](https://composio.dev/toolkits/promptmate_io/framework/claude-cowork)
- [Codex](https://composio.dev/toolkits/promptmate_io/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/promptmate_io/framework/openclaw)
- [Hermes](https://composio.dev/toolkits/promptmate_io/framework/hermes-agent)
- [CLI](https://composio.dev/toolkits/promptmate_io/framework/cli)
- [Google ADK](https://composio.dev/toolkits/promptmate_io/framework/google-adk)
- [Vercel AI SDK](https://composio.dev/toolkits/promptmate_io/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/promptmate_io/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/promptmate_io/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/promptmate_io/framework/crew-ai)

## TL;DR

Here's what you'll learn:
- Get and set up your OpenAI and Composio API keys
- Connect your Promptmate io project to Composio
- Create a Tool Router MCP session for Promptmate io
- Initialize an MCP client and retrieve Promptmate io tools
- Build a LangChain agent that can interact with Promptmate io
- Set up an interactive chat interface for testing

## What is LangChain?

LangChain is a framework for developing applications powered by language models. It provides tools and abstractions for building agents that can reason, use tools, and maintain conversation context.
Key features include:
- Agent Framework: Build agents that can use tools and make decisions
- MCP Integration: Connect to external services through Model Context Protocol adapters
- Memory Management: Maintain conversation history across interactions
- Multi-Provider Support: Works with OpenAI, Anthropic, and other LLM providers

## What is the Promptmate io MCP server, and what's possible with it?

The Promptmate io MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Promptmate io account. It provides structured and secure access to your Promptmate apps and webhooks, so your agent can perform actions like listing available AI apps, managing webhooks, and monitoring automation events on your behalf.
- Discover and list Promptmate apps: Quickly retrieve and browse all available Promptmate applications to power your AI workflows or find the right tool for your automation needs.
- Create new webhooks for automation: Direct your agent to subscribe endpoints to job or row events, enabling seamless integration with external systems or real-time workflow triggers.
- Manage and delete existing webhooks: Effortlessly remove outdated or unnecessary webhook subscriptions by specifying their unique IDs, keeping your integrations tidy and secure.
- Inspect current webhook subscriptions: Let your agent list all configured webhooks, giving you visibility into active event listeners and helping you audit or troubleshoot automations.

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `PROMPTMATE_IO_CREATE_WEBHOOK` | Create webhook | Tool to create a new webhook. Use when you need to subscribe an endpoint URL to job or row events. |
| `PROMPTMATE_IO_DELETE_WEBHOOK` | Delete Webhook | Tool to delete a webhook by its unique ID. Use after confirming the webhookId to remove. |
| `PROMPTMATE_IO_GET_APP_JOB` | Get App Job Status | Tool to get the status and result of a specific app job by its ID. Use when you need to check the status or retrieve results of a previously submitted job. |
| `PROMPTMATE_IO_GET_USER_INFO` | Get User Info | Tool to get user information for the authenticated API key owner. Use when you need to retrieve details about the current user. |
| `PROMPTMATE_IO_LIST_APPS` | List PromptMate Apps | Tool to list all available apps. Use when you need to retrieve the catalogue of PromptMate apps. |
| `PROMPTMATE_IO_LIST_COUNTRIES` | List Countries | Tool to list available countries for app configuration. Use when you need to retrieve the list of supported countries. |
| `PROMPTMATE_IO_LIST_LANGUAGES` | List Available Languages | Tool to list available languages for app configuration. Use when you need to retrieve supported language options. |
| `PROMPTMATE_IO_LIST_PROJECTS` | List Projects | Tool to list all available projects. Use when you need to retrieve the list of PromptMate projects. |
| `PROMPTMATE_IO_LIST_TEMPLATES` | List Templates | Tool to list all available templates. Use when you need to retrieve the catalogue of PromptMate templates. |
| `PROMPTMATE_IO_LIST_WEBHOOKS` | List Webhooks | Tool to list all configured webhooks. Use when you need to inspect current webhook subscriptions. |
| `PROMPTMATE_IO_USE_TEMPLATE` | Use Template | Tool to use a specific template to process data. Use when you need to apply a template with optional data parameters. |

## Supported Triggers

None listed.

## Creating MCP Server - Stand-alone vs Composio SDK

The Promptmate io MCP server is an implementation of the Model Context Protocol that connects your AI agent to Promptmate io. It provides structured and secure access so your agent can perform Promptmate io operations on your behalf through a secure, permission-based interface.
With Composio's managed implementation, you don't have to create your own developer app. For production, if you're building an end product, we recommend using your own credentials. The managed server helps you prototype fast and go from 0-1 faster.

## Step-by-step Guide

### 1. Prerequisites

No description provided.

### 1. Getting API Keys for OpenAI and Composio

OpenAI API Key
- Go to the [OpenAI dashboard](https://platform.openai.com/settings/organization/api-keys) 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](https://dashboard.composio.dev?utm_source=toolkits&utm_medium=framework_docs).
- Navigate to your API settings and generate a new API key.
- Store this key securely as you'll need it for authentication.

### 2. Install dependencies

No description provided.
```python
pip install composio-langchain langchain-mcp-adapters langchain python-dotenv
```

```typescript
npm install @composio/langchain @langchain/core @langchain/openai @langchain/mcp-adapters dotenv
```

### 3. Set up environment variables

Create a .env file in your project root.
What's happening:
- COMPOSIO_API_KEY authenticates your requests to Composio's API
- COMPOSIO_USER_ID identifies the user for session management
- OPENAI_API_KEY enables access to OpenAI's language models
```bash
COMPOSIO_API_KEY=your_composio_api_key_here
COMPOSIO_USER_ID=your_composio_user_id_here
OPENAI_API_KEY=your_openai_api_key_here
```

### 4. Import dependencies

No description provided.
```python
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain.agents import create_agent
from dotenv import load_dotenv
from composio import Composio
import asyncio
import os

load_dotenv()
```

```typescript
import { Composio } from '@composio/core';
import { LangchainProvider } from '@composio/langchain';
import { MultiServerMCPClient } from "@langchain/mcp-adapters";
import { createAgent } from "langchain";
import * as readline from 'readline';
import 'dotenv/config';

dotenv.config();
```

### 5. Initialize Composio client

What's happening:
- We're loading the COMPOSIO_API_KEY from environment variables and validating it exists
- Creating a Composio instance that will manage our connection to Promptmate io tools
- Validating that COMPOSIO_USER_ID is also set before proceeding
```python
async def main():
    composio = Composio(api_key=os.getenv("COMPOSIO_API_KEY"))

    if not os.getenv("COMPOSIO_API_KEY"):
        raise ValueError("COMPOSIO_API_KEY is not set")
    if not os.getenv("COMPOSIO_USER_ID"):
        raise ValueError("COMPOSIO_USER_ID is not set")
```

```typescript
const composioApiKey = process.env.COMPOSIO_API_KEY;
const userId = process.env.COMPOSIO_USER_ID;

if (!composioApiKey) throw new Error('COMPOSIO_API_KEY is not set');
if (!userId) throw new Error('COMPOSIO_USER_ID is not set');

async function main() {
    const composio = new Composio({
        apiKey: composioApiKey as string,
        provider: new LangchainProvider()
    });
```

### 6. Create a Tool Router session

What's happening:
- We're creating a Tool Router session that gives your agent access to Promptmate io 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
- This approach allows the agent to dynamically load and use Promptmate io tools as needed
```python
# Create Tool Router session for Promptmate io
session = composio.create(
    user_id=os.getenv("COMPOSIO_USER_ID"),
    toolkits=['promptmate_io']
)

url = session.mcp.url
```

```typescript
const session = await composio.create(
    userId as string,
    {
        toolkits: ['promptmate_io']
    }
);

const url = session.mcp.url;
```

### 7. Configure the agent with the MCP URL

No description provided.
```python
client = MultiServerMCPClient({
    "promptmate_io-agent": {
        "transport": "streamable_http",
        "url": session.mcp.url,
        "headers": {
            "x-api-key": os.getenv("COMPOSIO_API_KEY")
        }
    }
})

tools = await client.get_tools()

agent = create_agent("gpt-5", tools)
```

```typescript
const client = new MultiServerMCPClient({
    "promptmate_io-agent": {
        transport: "http",
        url: url,
        headers: {
            "x-api-key": process.env.COMPOSIO_API_KEY
        }
    }
});

const tools = await client.getTools();

const agent = createAgent({ model: "gpt-5", tools });
```

### 8. Set up interactive chat interface

No description provided.
```python
conversation_history = []

print("Chat started! Type 'exit' or 'quit' to end the conversation.\n")
print("Ask any Promptmate io related question or task to the agent.\n")

while True:
    user_input = input("You: ").strip()

    if user_input.lower() in ['exit', 'quit', 'bye']:
        print("\nGoodbye!")
        break

    if not user_input:
        continue

    conversation_history.append({"role": "user", "content": user_input})
    print("\nAgent is thinking...\n")

    response = await agent.ainvoke({"messages": conversation_history})
    conversation_history = response['messages']
    final_response = response['messages'][-1].content
    print(f"Agent: {final_response}\n")
```

```typescript
let conversationHistory: any[] = [];

console.log("Chat started! Type 'exit' or 'quit' to end the conversation.\n");
console.log("Ask any Promptmate io related question or task to the agent.\n");

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
    prompt: 'You: '
});

rl.prompt();

rl.on('line', async (userInput: string) => {
    const trimmedInput = userInput.trim();

    if (['exit', 'quit', 'bye'].includes(trimmedInput.toLowerCase())) {
        console.log("\nGoodbye!");
        rl.close();
        process.exit(0);
    }

    if (!trimmedInput) {
        rl.prompt();
        return;
    }

    conversationHistory.push({ role: "user", content: trimmedInput });
    console.log("\nAgent is thinking...\n");

    const response = await agent.invoke({ messages: conversationHistory });
    conversationHistory = response.messages;

    const finalResponse = response.messages[response.messages.length - 1]?.content;
    console.log(`Agent: ${finalResponse}\n`);
        
        rl.prompt();
    });

    rl.on('close', () => {
        console.log('\n👋 Session ended.');
        process.exit(0);
    });
```

### 9. Run the application

No description provided.
```python
if __name__ == "__main__":
    asyncio.run(main())
```

```typescript
main().catch((err) => {
    console.error('Fatal error:', err);
    process.exit(1);
});
```

## Complete Code

```python
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain.agents import create_agent
from dotenv import load_dotenv
from composio import Composio
import asyncio
import os

load_dotenv()

async def main():
    composio = Composio(api_key=os.getenv("COMPOSIO_API_KEY"))
    
    if not os.getenv("COMPOSIO_API_KEY"):
        raise ValueError("COMPOSIO_API_KEY is not set")
    if not os.getenv("COMPOSIO_USER_ID"):
        raise ValueError("COMPOSIO_USER_ID is not set")
    
    session = composio.create(
        user_id=os.getenv("COMPOSIO_USER_ID"),
        toolkits=['promptmate_io']
    )

    url = session.mcp.url
    
    client = MultiServerMCPClient({
        "promptmate_io-agent": {
            "transport": "streamable_http",
            "url": url,
            "headers": {
                "x-api-key": os.getenv("COMPOSIO_API_KEY")
            }
        }
    })
    
    tools = await client.get_tools()
  
    agent = create_agent("gpt-5", tools)
    
    conversation_history = []
    
    print("Chat started! Type 'exit' or 'quit' to end the conversation.\n")
    print("Ask any Promptmate io related question or task to the agent.\n")
    
    while True:
        user_input = input("You: ").strip()
        
        if user_input.lower() in ['exit', 'quit', 'bye']:
            print("\nGoodbye!")
            break
        
        if not user_input:
            continue
        
        conversation_history.append({"role": "user", "content": user_input})
        print("\nAgent is thinking...\n")
        
        response = await agent.ainvoke({"messages": conversation_history})
        conversation_history = response['messages']
        final_response = response['messages'][-1].content
        print(f"Agent: {final_response}\n")

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

```typescript
import { Composio } from '@composio/core';
import { LangchainProvider } from '@composio/langchain';
import { MultiServerMCPClient } from "@langchain/mcp-adapters";  
import { createAgent } from "langchain";
import * as readline from 'readline';
import 'dotenv/config';

const composioApiKey = process.env.COMPOSIO_API_KEY;
const userId = process.env.COMPOSIO_USER_ID;

if (!composioApiKey) throw new Error('COMPOSIO_API_KEY is not set');
if (!userId) throw new Error('COMPOSIO_USER_ID is not set');

async function main() {
    const composio = new Composio({
        apiKey: composioApiKey as string,
        provider: new LangchainProvider()
    });

    const session = await composio.create(
        userId as string,
        {
            toolkits: ['promptmate_io']
        }
    );

    const url = session.mcp.url;
    
    const client = new MultiServerMCPClient({
        "promptmate_io-agent": {
            transport: "http",
            url: url,
            headers: {
                "x-api-key": process.env.COMPOSIO_API_KEY
            }
        }
    });
    
    const tools = await client.getTools();
  
    const agent = createAgent({ model: "gpt-5", tools });
    
    let conversationHistory: any[] = [];
    
    console.log("Chat started! Type 'exit' or 'quit' to end the conversation.\n");
    console.log("Ask any Promptmate io related question or task to the agent.\n");
    
    const rl = readline.createInterface({
        input: process.stdin,
        output: process.stdout,
        prompt: 'You: '
    });

    rl.prompt();

    rl.on('line', async (userInput: string) => {
        const trimmedInput = userInput.trim();
        
        if (['exit', 'quit', 'bye'].includes(trimmedInput.toLowerCase())) {
            console.log("\nGoodbye!");
            rl.close();
            process.exit(0);
        }
        
        if (!trimmedInput) {
            rl.prompt();
            return;
        }
        
        conversationHistory.push({ role: "user", content: trimmedInput });
        console.log("\nAgent is thinking...\n");
        
        const response = await agent.invoke({ messages: conversationHistory });
        conversationHistory = response.messages;
        
        const finalResponse = response.messages[response.messages.length - 1]?.content;
        console.log(`Agent: ${finalResponse}\n`);
        
        rl.prompt();
    });

    rl.on('close', () => {
        console.log('\nSession ended.');
        process.exit(0);
    });
}

main().catch((err) => {
    console.error('Fatal error:', err);
    process.exit(1);
});
```

## Conclusion

You've successfully built a LangChain agent that can interact with Promptmate io through Composio's Tool Router.
Key features of this implementation:
- Dynamic tool loading through Composio's Tool Router
- Conversation history maintenance for context-aware responses
- Async Python provides clean, efficient execution of agent workflows
You can extend this further by adding error handling, implementing specific business logic, or integrating additional Composio toolkits to create multi-app workflows.

## How to build Promptmate io MCP Agent with another framework

- [OpenAI Agents SDK](https://composio.dev/toolkits/promptmate_io/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/promptmate_io/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/promptmate_io/framework/claude-code)
- [Claude Cowork](https://composio.dev/toolkits/promptmate_io/framework/claude-cowork)
- [Codex](https://composio.dev/toolkits/promptmate_io/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/promptmate_io/framework/openclaw)
- [Hermes](https://composio.dev/toolkits/promptmate_io/framework/hermes-agent)
- [CLI](https://composio.dev/toolkits/promptmate_io/framework/cli)
- [Google ADK](https://composio.dev/toolkits/promptmate_io/framework/google-adk)
- [Vercel AI SDK](https://composio.dev/toolkits/promptmate_io/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/promptmate_io/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/promptmate_io/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/promptmate_io/framework/crew-ai)

## Related Toolkits

- [Composio](https://composio.dev/toolkits/composio) - Composio is an integration platform that connects AI agents with hundreds of business tools. It streamlines authentication and lets you trigger actions across services—no custom code needed.
- [Composio search](https://composio.dev/toolkits/composio_search) - Composio search is a unified web search toolkit spanning travel, e-commerce, news, financial markets, images, and more. It lets you and your apps tap into up-to-date web data from a single, easy-to-integrate service.
- [Perplexityai](https://composio.dev/toolkits/perplexityai) - Perplexityai delivers natural, conversational AI models for generating human-like text. Instantly get context-aware, high-quality responses for chat, search, or complex workflows.
- [Browser tool](https://composio.dev/toolkits/browser_tool) - Browser tool is a virtual browser integration that lets AI agents interact with the web programmatically. It enables automated browsing, scraping, and action-taking from any AI workflow.
- [Ai ml api](https://composio.dev/toolkits/ai_ml_api) - Ai ml api is a suite of AI/ML models for natural language and image tasks. It provides fast, scalable access to advanced AI capabilities for your apps and workflows.
- [Aivoov](https://composio.dev/toolkits/aivoov) - Aivoov is an AI-powered text-to-speech platform offering 1,000+ voices in over 150 languages. Instantly turn written content into natural, human-like audio for any application.
- [All images ai](https://composio.dev/toolkits/all_images_ai) - All-Images.ai is an AI-powered image generation and management platform. It helps you create, search, and organize images effortlessly with advanced AI capabilities.
- [Anthropic administrator](https://composio.dev/toolkits/anthropic_administrator) - Anthropic administrator is an API for managing Anthropic organizational resources like members, workspaces, and API keys. It helps you automate admin tasks and streamline resource management across your Anthropic organization.
- [Api labz](https://composio.dev/toolkits/api_labz) - Api labz is a platform offering a suite of AI-driven APIs and workflow tools. It helps developers automate tasks and build smarter, more efficient applications.
- [Apipie ai](https://composio.dev/toolkits/apipie_ai) - Apipie ai is an AI model aggregator offering a single API for accessing top AI models from multiple providers. It helps developers build cost-efficient, latency-optimized AI solutions without juggling multiple integrations.
- [Astica ai](https://composio.dev/toolkits/astica_ai) - Astica ai provides APIs for computer vision, NLP, and voice synthesis. Integrate advanced AI features into your app with a single API key.
- [Bigml](https://composio.dev/toolkits/bigml) - BigML is a machine learning platform that lets you build, train, and deploy predictive models from your data. Its intuitive interface and robust API make machine learning accessible and efficient.
- [Botbaba](https://composio.dev/toolkits/botbaba) - Botbaba is a platform for building, managing, and deploying conversational AI chatbots across messaging channels. It streamlines chatbot automation, making it easier to integrate AI into customer interactions.
- [Botpress](https://composio.dev/toolkits/botpress) - Botpress is an open-source platform for building, deploying, and managing chatbots. It helps teams automate conversations and deliver rich, interactive messaging experiences.
- [Chatbotkit](https://composio.dev/toolkits/chatbotkit) - Chatbotkit is a platform for building and managing AI-powered chatbots using robust APIs and SDKs. It lets you easily add conversational AI to your apps for better user engagement.
- [Cody](https://composio.dev/toolkits/cody) - Cody is an AI assistant built for businesses, trained on your company's knowledge and data. It delivers instant answers and insights, tailored for your team.
- [Context7 MCP](https://composio.dev/toolkits/context7_mcp) - Context7 MCP delivers live, version-specific code docs and examples right from the source. It helps developers and AI agents instantly retrieve authoritative programming info—no more out-of-date docs.
- [Customgpt](https://composio.dev/toolkits/customgpt) - CustomGPT.ai lets you build and deploy chatbots tailored to your own data and business needs. Get precise and context-aware AI conversations without writing code.
- [Datarobot](https://composio.dev/toolkits/datarobot) - Datarobot is a machine learning platform that automates model development, deployment, and monitoring. It empowers organizations to quickly gain predictive insights from large datasets.
- [Deepgram](https://composio.dev/toolkits/deepgram) - Deepgram is an AI-powered speech recognition platform for accurate audio transcription and understanding. It enables fast, scalable speech-to-text with advanced audio intelligence features.

## Frequently Asked Questions

### What are the differences in Tool Router MCP and Promptmate io MCP?

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

### Can I use Tool Router MCP with LangChain?

Yes, you can. LangChain 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 Promptmate io tools.

### Can I manage the permissions and scopes for Promptmate io while using Tool Router?

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

---
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