How do I get my ON24 API credentials?

Log in to your ON24 account and navigate to the API Management section in the Analytics or Integration menu to generate your Client ID, API Key, and Secret.

Can I see attendee viewing time?

Yes! Use the `get_attendee_engagement` tool with the event ID and attendee email to retrieve detailed engagement metrics including total minutes watched.

Does this support multi-registration tracking?

Yes, you can list registrants for any specific event using `list_event_registrants` and check individual registration statuses.

ON24 Virtual Events MCP Server for LangChain 10 tools — connect in under 2 minutes

Name: ON24 Virtual Events
Availability: InStock
Author: Vinkius

python.langchain.com/docs/integrations/tools/mcp

Built by Vinkius GDPR 10 Tools Framework

LangChain is the leading Python framework for composable LLM applications. Connect ON24 Virtual Events through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

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({
        "on24-virtual-events": {
            "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 ON24 Virtual Events, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

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 ON24 Virtual Events MCP Server

Connect your ON24 account to your AI agent and gain deep insights into your webinar and virtual event performance through natural conversation and real-time data access.

LangChain's ecosystem of 500+ components combines seamlessly with ON24 Virtual Events through native MCP adapters. Connect 10 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

Event Oversight — List all upcoming and past webinars and retrieve detailed scheduling and configuration metadata.
Registrant Tracking — Access complete lists of individuals who have registered for specific events and check their profile details.
Attendee Analytics — Monitor who actually attended your events and retrieve granular engagement and viewing time metrics.
Engagement Intelligence — Access results from event surveys and polls to understand audience sentiment.
Q&A Monitoring — List all questions asked by attendees and their respective answers during live sessions.
Performance Reporting — Fetch high-level event analytics including total views, conversions, and impact scores.
Deep Inspection — Fetch complete metadata for specific events, registrants, or surveys using their unique IDs.

The ON24 Virtual Events MCP Server exposes 10 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.

How to Connect ON24 Virtual Events to LangChain via MCP

Follow these steps to integrate the ON24 Virtual Events MCP Server with LangChain.

Install dependencies

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

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save the code and run python agent.py

Explore tools

The agent discovers 10 tools from ON24 Virtual Events via MCP

Why Use LangChain with the ON24 Virtual Events MCP Server

LangChain provides unique advantages when paired with ON24 Virtual Events through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine ON24 Virtual Events MCP tools with 500+ LangChain components

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

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

Memory and conversation persistence let agents maintain context across ON24 Virtual Events queries for multi-turn workflows

ON24 Virtual Events + LangChain Use Cases

Practical scenarios where LangChain combined with the ON24 Virtual Events MCP Server delivers measurable value.

RAG with live data: combine ON24 Virtual Events tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query ON24 Virtual Events, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain ON24 Virtual Events tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every ON24 Virtual Events tool call, measure latency, and optimize your agent's performance

ON24 Virtual Events MCP Tools for LangChain (10)

These 10 tools become available when you connect ON24 Virtual Events to LangChain via MCP:

get_attendee_engagement

Get attendee engagement stats

get_event_details

Get specific event info

get_event_qa_log

Get event Q&A log

get_event_summary_analytics

Get event performance summary

get_registrant_details

Get registrant info

get_survey_responses

Get survey response data

list_event_attendees

List event attendees

list_event_registrants

List event registrants

list_event_surveys

List event surveys

list_virtual_events

List all virtual events

Example Prompts for ON24 Virtual Events in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with ON24 Virtual Events immediately.

"List all my webinars from last month."

"How many people attended the 'Annual Summit' event?"

"Show me the survey results for the 'Developer Workshop' webinar."

Troubleshooting ON24 Virtual Events MCP Server with LangChain

Common issues when connecting ON24 Virtual Events to LangChain through the Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

ON24 Virtual Events + LangChain FAQ

Common questions about integrating ON24 Virtual Events MCP Server with LangChain.

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.

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.