# How to integrate Accredible certificates MCP with LangChain

```json
{
  "title": "How to integrate Accredible certificates MCP with LangChain",
  "toolkit": "Accredible certificates",
  "toolkit_slug": "accredible_certificates",
  "framework": "LangChain",
  "framework_slug": "langchain",
  "url": "https://composio.dev/toolkits/accredible_certificates/framework/langchain",
  "markdown_url": "https://composio.dev/toolkits/accredible_certificates/framework/langchain.md",
  "updated_at": "2026-05-06T07:59:08.032Z"
}
```

## Introduction

This guide walks you through connecting Accredible certificates to LangChain using the Composio tool router. By the end, you'll have a working Accredible certificates agent that can bulk create certificates for this course, download pdfs for recent issued credentials, list all available certificate templates through natural language commands.
This guide will help you understand how to give your LangChain agent real control over a Accredible certificates account through Composio's Accredible certificates MCP server.
Before we dive in, let's take a quick look at the key ideas and tools involved.

## Also integrate Accredible certificates with

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

## TL;DR

Here's what you'll learn:
- Get and set up your OpenAI and Composio API keys
- Connect your Accredible certificates project to Composio
- Create a Tool Router MCP session for Accredible certificates
- Initialize an MCP client and retrieve Accredible certificates tools
- Build a LangChain agent that can interact with Accredible certificates
- 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 Accredible certificates MCP server, and what's possible with it?

The Accredible certificates MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Accredible certificates account. It provides structured and secure access to your digital credentials platform, so your agent can perform actions like issuing certificates, managing groups, generating PDFs, and organizing templates on your behalf.
- Bulk credential creation and issuance: Let your agent create and issue batches of digital certificates or badges to multiple recipients in one go.
- Automated group and collection management: Effortlessly create, clone, or delete groups and collections to organize recipients and credentials based on your programs or courses.
- Credential evidence and reference handling: Add or remove evidence items or references to credentials, supporting richer documentation and verification for each certificate.
- PDF certificate generation and export: Quickly generate and download PDF copies of credentials, individually or in bulk, for easy offline distribution or archiving.
- Template listing and selection: Retrieve and browse all available certificate templates, so your agent can help you pick or preview designs for new credentials.

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `ACCREDIBLE_CERTIFICATES_BULK_CREATE_CREDENTIALS_V2` | Bulk Create Credentials (V2) | Tool to bulk create credentials. use when batching up to 30 credentials in one call; supports multi-status (207) responses. |
| `ACCREDIBLE_CERTIFICATES_CLONE_GROUP` | Clone Group | Tool to clone an existing group. use after confirming the source group exists and you need a copy with optional overrides. |
| `ACCREDIBLE_CERTIFICATES_CREATE_COLLECTION` | Create Collection | Tool to create a new collection. use when you need a curated set of groups. |
| `ACCREDIBLE_CERTIFICATES_CREATE_EVIDENCE_ITEM` | Create Evidence Item | Tool to create a new evidence item for a credential. use after confirming credential id. |
| `ACCREDIBLE_CERTIFICATES_CREATE_GROUP` | Create Group | Tool to create a new group. use after gathering all group details. |
| `ACCREDIBLE_CERTIFICATES_DELETE_CREDENTIAL` | Delete Credential | Tool to delete a credential. use after confirming you want to permanently remove an existing credential. executes delete on /credentials/{credential id} endpoint and returns status code. |
| `ACCREDIBLE_CERTIFICATES_DELETE_GROUP` | Delete Group | Tool to delete a group. use after confirming no credentials remain and when you need to permanently remove the group. |
| `ACCREDIBLE_CERTIFICATES_DELETE_REFERENCE` | Delete Reference | Tool to delete a specific reference by id. use after confirming both credential id and reference id. example: "delete reference 1234 from credential 'abc123'." |
| `ACCREDIBLE_CERTIFICATES_GENERATE_PD_FS_FOR_CREDENTIALS` | Generate PDFs for Credentials | Tool to generate pdfs for multiple credentials. use when you need to batch-download a zip archive of certificate pdfs for a list of published credential ids. example: "generate pdfs for credentials [10000005, 10272642]". |
| `ACCREDIBLE_CERTIFICATES_LIST_TEMPLATES` | List Templates | Tool to retrieve a list of all templates. use after authentication to fetch paginated certificate templates. |
| `ACCREDIBLE_CERTIFICATES_SEARCH_COLLECTIONS` | Search Collections | Tool to search for collections. use when you need to filter collections by ids, name, or public flag and paginate through results. e.g., "search for public collections named 'abc' on page 2." |
| `ACCREDIBLE_CERTIFICATES_UPDATE_GROUP` | Update Group | Tool to update an existing group. use when you need to modify group details after fetching its current data. |
| `ACCREDIBLE_CERTIFICATES_UPDATE_REFERENCE` | Update Reference | Tool to update a reference by id. use when you need to modify a reference's details for a credential. use after retrieving the reference id to change comments or relationship. |
| `ACCREDIBLE_CERTIFICATES_VIEW_ALL_SKILL_CATEGORIES` | View All Skill Categories | Tool to retrieve all skill categories. use when you need to list all available skill categories (e.g., to link them to groups). |

## Supported Triggers

None listed.

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

The Accredible certificates MCP server is an implementation of the Model Context Protocol that connects your AI agent to Accredible certificates. It provides structured and secure access so your agent can perform Accredible certificates 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 Accredible certificates 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 Accredible certificates 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 Accredible certificates tools as needed
```python
# Create Tool Router session for Accredible certificates
session = composio.create(
    user_id=os.getenv("COMPOSIO_USER_ID"),
    toolkits=['accredible_certificates']
)

url = session.mcp.url
```

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

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

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

No description provided.
```python
client = MultiServerMCPClient({
    "accredible_certificates-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({
    "accredible_certificates-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 Accredible certificates 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 Accredible certificates 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=['accredible_certificates']
    )

    url = session.mcp.url
    
    client = MultiServerMCPClient({
        "accredible_certificates-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 Accredible certificates 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: ['accredible_certificates']
        }
    );

    const url = session.mcp.url;
    
    const client = new MultiServerMCPClient({
        "accredible_certificates-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 Accredible certificates 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 Accredible certificates 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 Accredible certificates MCP Agent with another framework

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

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## Frequently Asked Questions

### What are the differences in Tool Router MCP and Accredible certificates MCP?

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

### Can I manage the permissions and scopes for Accredible certificates while using Tool Router?

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

---
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