PubNub (Real-time Messaging) MCP Server for CrewAIGive CrewAI 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

GDPR Free for Subscribers

Connect your CrewAI agents to PubNub (Real-time Messaging) through Vinkius, pass the Edge URL in the `mcps` parameter and every PubNub (Real-time Messaging) tool is auto-discovered at runtime. No credentials to manage, no infrastructure to maintain.

Ask AI about this MCP Server for CrewAI

Open in ChatGPT Open in Claude Open in Perplexity

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

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

Claude

ChatGPT

Cursor

Gemini

Windsurf

VS Code

JetBrains

Vercel

+ other MCP clients

python

from crewai import Agent, Task, Crew

agent = Agent(
    role="PubNub (Real-time Messaging) Specialist",
    goal="Help users interact with PubNub (Real-time Messaging) effectively",
    backstory=(
        "You are an expert at leveraging PubNub (Real-time Messaging) tools "
        "for automation and data analysis."
    ),
    # Your Vinkius token. get it at cloud.vinkius.com
    mcps=["https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"],
)

task = Task(
    description=(
        "Explore all available tools in PubNub (Real-time Messaging) "
        "and summarize their capabilities."
    ),
    agent=agent,
    expected_output=(
        "A detailed summary of 31 available tools "
        "and what they can do."
    ),
)

crew = Crew(agents=[agent], tasks=[task])
result = crew.kickoff()
print(result)

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 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.

When paired with CrewAI, PubNub (Real-time Messaging) becomes a first-class tool in your multi-agent workflows. Each agent in the crew can call PubNub (Real-time Messaging) tools autonomously, one agent queries data, another analyzes results, a third compiles reports, all orchestrated through Vinkius with zero configuration overhead.

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 CrewAI 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 CrewAI

When CrewAI 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 CrewAI via MCP

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

Install CrewAI

Run pip install crewai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Customize the agent

Adjust the role, goal, and backstory to fit your use case

Run the crew

Run python crew.py. CrewAI auto-discovers 31 tools from PubNub (Real-time Messaging)

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

CrewAI Multi-Agent Orchestration Framework provides unique advantages when paired with PubNub (Real-time Messaging) through the Model Context Protocol.

Multi-agent collaboration lets you decompose complex workflows into specialized roles, one agent researches, another analyzes, a third generates reports, each with access to MCP tools

CrewAI's native MCP integration requires zero adapter code: pass Vinkius Edge URL directly in the `mcps` parameter and agents auto-discover every available tool at runtime

Built-in task delegation and shared memory mean agents can pass context between steps without manual state management, enabling multi-hop reasoning across tool calls

Sequential and hierarchical crew patterns map naturally to real-world workflows: enumerate subdomains → analyze DNS history → check WHOIS records → compile findings into actionable reports

PubNub (Real-time Messaging) + CrewAI Use Cases

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

Automated multi-step research: a reconnaissance agent queries PubNub (Real-time Messaging) for raw data, then a second analyst agent cross-references findings and flags anomalies. all without human handoff

Scheduled intelligence reports: set up a crew that periodically queries PubNub (Real-time Messaging), analyzes trends over time, and generates executive briefings in markdown or PDF format

Multi-source enrichment pipelines: chain PubNub (Real-time Messaging) tools with other MCP servers in the same crew, letting agents correlate data across multiple providers in a single workflow

Compliance and audit automation: a compliance agent queries PubNub (Real-time Messaging) against predefined policy rules, generates deviation reports, and routes findings to the appropriate team

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

Ready-to-use prompts you can give your CrewAI 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 CrewAI

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

MCP tools not discovered

Ensure the Edge URL is correct. CrewAI connects lazily when the crew starts. check console output.

Agent not using tools

Make the task description specific. Instead of "do something", say "Use the available tools to list contacts".

Timeout errors

CrewAI has a 10s connection timeout by default. Ensure your network can reach the Edge URL.

Rate limiting or 429 errors

Vinkius enforces per-token rate limits. Check your subscription tier and request quota in the dashboard. Upgrade if you need higher throughput.

PubNub (Real-time Messaging) + CrewAI FAQ

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

How does CrewAI discover and connect to MCP tools?

CrewAI connects to MCP servers lazily. when the crew starts, each agent resolves its MCP URLs and fetches the tool catalog via the standard tools/list method. This means tools are always fresh and reflect the server's current capabilities. No tool schemas need to be hardcoded.

Can different agents in the same crew use different MCP servers?

Yes. Each agent has its own mcps list, so you can assign specific servers to specific roles. For example, a reconnaissance agent might use a domain intelligence server while an analysis agent uses a vulnerability database server.

What happens when an MCP tool call fails during a crew run?

CrewAI wraps tool failures as context for the agent. The LLM receives the error message and can decide to retry with different parameters, fall back to a different tool, or mark the task as partially complete. This resilience is critical for production workflows.

Can CrewAI agents call multiple MCP tools in parallel?

CrewAI agents execute tool calls sequentially within a single reasoning step. However, you can run multiple agents in parallel using process=Process.parallel, each calling different MCP tools concurrently. This is ideal for workflows where separate data sources need to be queried simultaneously.

Can I run CrewAI crews on a schedule (cron)?

Yes. CrewAI crews are standard Python scripts, so you can invoke them via cron, Airflow, Celery, or any task scheduler. The crew.kickoff() method runs synchronously by default, making it straightforward to integrate into existing pipelines.