PubNub (Real-time Messaging) MCP Server for LlamaIndexGive LlamaIndex instant access to 31 tools to Admin Create App, Admin Get Metrics, Admin List Apps, and more

Name: PubNub (Real-time Messaging)
Price: 29 USD
Availability: InStock
Rating: 5.0 (1 reviews)
Author: Vinkius

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LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add PubNub (Real-time Messaging) as an MCP tool provider through Vinkius and your agents can query, analyze, and act on live data alongside your existing indexes.

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The PubNub (Real-time Messaging) MCP Server for LlamaIndex is a standout in the Communication Messaging category — giving your AI agent 31 tools to work with, ready to go from day one.

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python

import asyncio
from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    mcp_client = BasicMCPClient("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
    mcp_tool_spec = McpToolSpec(client=mcp_client)
    tools = await mcp_tool_spec.to_tool_list_async()

    agent = FunctionAgent(
        tools=tools,
        llm=OpenAI(model="gpt-4o"),
        system_prompt=(
            "You are an assistant with access to PubNub (Real-time Messaging). "
            "You have 31 tools available."
        ),
    )

    response = await agent.run(
        "What tools are available in PubNub (Real-time Messaging)?"
    )
    print(response)

asyncio.run(main())

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* 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 PubNub (Real-time Messaging) MCP Server

Connect your PubNub account to any AI agent to orchestrate real-time communication, monitor user presence, and manage data streams through natural language.

LlamaIndex agents combine PubNub (Real-time Messaging) tool responses with indexed documents for comprehensive, grounded answers. Connect 31 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.

What you can do

Real-time Messaging — Publish JSON payloads to any channel and retrieve historical message logs with precise timetokens.
Presence Monitoring — Track who is online (here_now), see which channels a user is in (where_now), and manage custom presence states.
User & Channel Metadata — Manage App Context by creating and retrieving user profiles, channel metadata, and memberships.
Message Management — Count messages sent after specific timestamps or purge history for compliance and storage management.
File Sharing — Generate upload URLs and manage files stored within the PubNub network.
Admin & Push — Monitor keyset metrics, manage applications, and configure mobile push notifications (APNS/FCM).

The PubNub (Real-time Messaging) MCP Server exposes 31 tools through the Vinkius. Connect it to LlamaIndex in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 31 PubNub (Real-time Messaging) tools available for LlamaIndex

When LlamaIndex connects to PubNub (Real-time Messaging) through Vinkius, your AI agent gets direct access to every tool listed below — spanning real-time-sync, pub-sub, data-streams, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

admin

Admin create app on PubNub (Real-time Messaging)

Create a new PubNub app (Admin API)

admin

Admin get metrics on PubNub (Real-time Messaging)

Get usage metrics (Admin API)

admin

Admin list apps on PubNub (Real-time Messaging)

List all PubNub apps (Admin API)

admin

Admin list keysets on PubNub (Real-time Messaging)

List all keysets (Admin API)

delete

Delete file on PubNub (Real-time Messaging)

Delete a file from a channel

delete

Delete message history on PubNub (Real-time Messaging)

Delete message history for channels

generate

Generate file upload url on PubNub (Real-time Messaging)

Generate a file upload URL

get

Get all channels on PubNub (Real-time Messaging)

Get all channels (App Context)

get

Get all users on PubNub (Real-time Messaging)

Get all users (App Context)

get

Get channel on PubNub (Real-time Messaging)

Get a specific channel (App Context)

get

Get file url on PubNub (Real-time Messaging)

Get a file URL

get

Get memberships on PubNub (Real-time Messaging)

Get memberships for a user (App Context)

get

Get message count on PubNub (Real-time Messaging)

Get message count for channels

get

Get message history on PubNub (Real-time Messaging)

Get message history for channels

get

Get user on PubNub (Real-time Messaging)

Get a specific user (App Context)

list

List files on PubNub (Real-time Messaging)

List files in a channel

pam

Pam grant token on PubNub (Real-time Messaging)

Grant a PAM v3 token

pam

Pam revoke token on PubNub (Real-time Messaging)

Revoke a PAM v3 token

presence

Presence get state on PubNub (Real-time Messaging)

Get presence state for a user in a channel

presence

Presence heartbeat on PubNub (Real-time Messaging)

Send presence heartbeat

presence

Presence here now on PubNub (Real-time Messaging)

Get current channel occupancy (Here Now)

presence

Presence leave on PubNub (Real-time Messaging)

Leave a channel (Presence)

presence

Presence set state on PubNub (Real-time Messaging)

Set presence state for a user in a channel

presence

Presence where now on PubNub (Real-time Messaging)

Get channels a user is in (Where Now)

publish

Publish message on PubNub (Real-time Messaging)

Publish a message to a channel

push

Push manage on PubNub (Real-time Messaging)

Manage or list push notification channels for a device (APNS v2)

push

Push remove all on PubNub (Real-time Messaging)

Remove all push notification channels for a device (APNS v2)

remove

Remove user on PubNub (Real-time Messaging)

Remove a user (App Context)

set

Set channel on PubNub (Real-time Messaging)

Set or update a channel (App Context)

set

Set memberships on PubNub (Real-time Messaging)

Set or update memberships for a user (App Context)

set

Set user on PubNub (Real-time Messaging)

Set or update a user (App Context)

Connect PubNub (Real-time Messaging) to LlamaIndex via MCP

Follow these steps to wire PubNub (Real-time Messaging) into LlamaIndex. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

Install dependencies

Run pip install llama-index-tools-mcp llama-index-llms-openai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save to agent.py and run: python agent.py

Explore tools

The agent discovers 31 tools from PubNub (Real-time Messaging)

Why Use LlamaIndex with the PubNub (Real-time Messaging) MCP Server

LlamaIndex provides unique advantages when paired with PubNub (Real-time Messaging) through the Model Context Protocol.

Data-first architecture: LlamaIndex agents combine PubNub (Real-time Messaging) tool responses with indexed documents for comprehensive, grounded answers

Query pipeline framework lets you chain PubNub (Real-time Messaging) tool calls with transformations, filters, and re-rankers in a typed pipeline

Multi-source reasoning: agents can query PubNub (Real-time Messaging), a vector store, and a SQL database in a single turn and synthesize results

Observability integrations show exactly what PubNub (Real-time Messaging) tools were called, what data was returned, and how it influenced the final answer

PubNub (Real-time Messaging) + LlamaIndex Use Cases

Practical scenarios where LlamaIndex combined with the PubNub (Real-time Messaging) MCP Server delivers measurable value.

Hybrid search: combine PubNub (Real-time Messaging) real-time data with embedded document indexes for answers that are both current and comprehensive

Data enrichment: query PubNub (Real-time Messaging) to augment indexed data with live information before generating user-facing responses

Knowledge base agents: build agents that maintain and update knowledge bases by periodically querying PubNub (Real-time Messaging) for fresh data

Analytical workflows: chain PubNub (Real-time Messaging) queries with LlamaIndex's data connectors to build multi-source analytical reports

Example Prompts for PubNub (Real-time Messaging) in LlamaIndex

Ready-to-use prompts you can give your LlamaIndex agent to start working with PubNub (Real-time Messaging) immediately.

"Publish a message to the 'alerts' channel saying 'System update scheduled for midnight'."

"Get the last 5 messages from the 'support-chat' channel."

"Who is currently active in the 'lobby' channel?"

Troubleshooting PubNub (Real-time Messaging) MCP Server with LlamaIndex

Common issues when connecting PubNub (Real-time Messaging) to LlamaIndex through Vinkius, and how to resolve them.

BasicMCPClient not found

Install: pip install llama-index-tools-mcp

PubNub (Real-time Messaging) + LlamaIndex FAQ

Common questions about integrating PubNub (Real-time Messaging) MCP Server with LlamaIndex.

How does LlamaIndex connect to MCP servers?

Use the MCP client adapter to create a connection. LlamaIndex discovers all tools and wraps them as query engine tools compatible with any LlamaIndex agent.

Can I combine MCP tools with vector stores?

Yes. LlamaIndex agents can query PubNub (Real-time Messaging) tools and vector store indexes in the same turn, combining real-time and embedded data for grounded responses.

Does LlamaIndex support async MCP calls?

Yes. LlamaIndex's async agent framework supports concurrent MCP tool calls for high-throughput data processing pipelines.

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