MCP For Claude Marketplace
PubNub (Real-time Messaging)

PubNub (Real-time Messaging) MCP Connector for Claude

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Enable real-time messaging, presence tracking, and message history for your AI agent using PubNub's global data stream network.

31 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

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

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).

How it works

  1. Subscribe to this server
  2. Enter your PubNub Subscribe Key, Publish Key, and UUID
  3. Start streaming data and managing real-time interactions from your MCP-compatible client

Who is this for?

  • IoT Developers — Monitor device heartbeats and send control commands via real-time channels.
  • Support Teams — Inspect chat history and user presence to provide better live assistance.
  • System Architects — Audit channel metadata and monitor keyset metrics directly from the AI interface.
real-time-syncpub-subdata-streamspresence-trackingmessaginglow-latency

31 tools expose this connector's capabilities to your AI agent.

admin_create_app

Create a new PubNub app (Admin API)

admin_get_metrics

Get usage metrics (Admin API)

admin_list_apps

List all PubNub apps (Admin API)

admin_list_keysets

List all keysets (Admin API)

delete_file

Delete a file from a channel

delete_message_history

Delete message history for channels

generate_file_upload_url

Generate a file upload URL

get_all_channels

Get all channels (App Context)

get_all_users

Get all users (App Context)

get_channel

Get a specific channel (App Context)

get_file_url

Get a file URL

get_memberships

Get memberships for a user (App Context)

get_user

Get a specific user (App Context)

get_message_history

Get message history for channels

list_files

List files in a channel

get_message_count

Get message count for channels

pam_grant_token

Grant a PAM v3 token

pam_revoke_token

Revoke a PAM v3 token

presence_get_state

Get presence state for a user in a channel

presence_heartbeat

Send presence heartbeat

presence_here_now

Get current channel occupancy (Here Now)

presence_leave

Leave a channel (Presence)

presence_set_state

Set presence state for a user in a channel

presence_where_now

Get channels a user is in (Where Now)

publish_message

Publish a message to a channel

push_manage

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

push_remove_all

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

remove_user

Remove a user (App Context)

set_channel

Set or update a channel (App Context)

set_memberships

Set or update memberships for a user (App Context)

set_user

Set or update a user (App Context)

See how to talk to your AI agent using PubNub (Real-time Messaging).

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

I've published the message to the 'alerts' channel. The timetoken for this message is 17156348210000000.

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

I retrieved the last 5 messages from 'support-chat'. They include inquiries about billing and a technical setup question from user UUID-987.

Who is currently active in the 'lobby' channel?

There are currently 3 users in the 'lobby' channel: 'admin-01', 'user-55', and 'guest-12'.

You can use the `presence_here_now` tool to see a list of all active UUIDs in a specific channel, or `presence_where_now` to find all channels a specific UUID is currently subscribed to.

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