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Mio MCP Server for LangChainGive LangChain instant access to 12 tools to Create Webhook, Delete Webhook, Get Account Info, and more

Built by Vinkius GDPR 12 Tools Framework

LangChain is the leading Python framework for composable LLM applications. Connect Mio through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

Ask AI about this App Connector for LangChain

The Mio app connector for LangChain is a standout in the Communication Messaging category — giving your AI agent 12 tools to work with, ready to go from day one.

Vinkius delivers Streamable HTTP and SSE to any MCP client

python
import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MultiServerMCPClient({
        "mio": {
            "transport": "streamable_http",
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
        }
    }) as client:
        tools = client.get_tools()
        agent = create_react_agent(
            ChatOpenAI(model="gpt-4o"),
            tools,
        )
        response = await agent.ainvoke({
            "messages": [{
                "role": "user",
                "content": "Using Mio, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())
Mio
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Mio MCP Server

Connect your Mio account to any AI agent and manage automated phone calls through natural conversation.

LangChain's ecosystem of 500+ components combines seamlessly with Mio through native MCP adapters. Connect 12 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.

What you can do

  • Outbound Calls — Start AI-powered phone calls with custom scripts and instructions
  • Call Logs — Browse call history with status, duration, and outcomes
  • Transcripts — Retrieve full text transcriptions of completed calls
  • AI Summaries — Get AI-generated summaries and extracted data from calls
  • Voice Selection — Choose from multiple neural voices for the AI agent
  • Webhooks — Configure event notifications for call status changes
  • Call Control — Terminate active calls in real time
  • Account — Check credit balance and account information

The Mio MCP Server exposes 12 tools through the Vinkius. Connect it to LangChain in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 12 Mio tools available for LangChain

When LangChain connects to Mio through Vinkius, your AI agent gets direct access to every tool listed below — spanning interoperability, outbound-calling, call-automation, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.

create_webhook

Add new notification

delete_webhook

Remove a webhook

get_account_info

Get user profile

get_call_details

Get specific call info

get_call_summary

Get AI call summary

get_call_transcript

Get call text log

get_credit_balance

Check account funds

list_available_voices

List AI voices

list_calls

List all call logs

list_webhooks

Get active webhooks

start_ai_call

Start an AI phone call

terminate_call

Stop active call

Connect Mio to LangChain via MCP

Follow these steps to wire Mio into LangChain. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.

01

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai
02

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token
03

Run the agent

Save the code and run python agent.py
04

Explore tools

The agent discovers 12 tools from Mio via MCP

Why Use LangChain with the Mio MCP Server

LangChain provides unique advantages when paired with Mio through the Model Context Protocol.

01

The largest ecosystem of integrations, chains, and agents. combine Mio MCP tools with 500+ LangChain components

02

Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

03

LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

04

Memory and conversation persistence let agents maintain context across Mio queries for multi-turn workflows

Mio + LangChain Use Cases

Practical scenarios where LangChain combined with the Mio MCP Server delivers measurable value.

01

RAG with live data: combine Mio tool results with vector store retrievals for answers grounded in both real-time and historical data

02

Autonomous research agents: LangChain agents query Mio, synthesize findings, and generate comprehensive research reports

03

Multi-tool orchestration: chain Mio tools with web scrapers, databases, and calculators in a single agent run

04

Production monitoring: use LangSmith to trace every Mio tool call, measure latency, and optimize your agent's performance

Example Prompts for Mio in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with Mio immediately.

01

"Start an AI call to confirm tomorrow's appointment with Sarah."

02

"Get the transcript and summary for call_890."

03

"Show available AI voices and my credit balance."

Troubleshooting Mio MCP Server with LangChain

Common issues when connecting Mio to LangChain through the Vinkius, and how to resolve them.

01

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Mio + LangChain FAQ

Common questions about integrating Mio MCP Server with LangChain.

01

How does LangChain connect to MCP servers?

Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
02

Which LangChain agent types work with MCP?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
03

Can I trace MCP tool calls in LangSmith?

Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.