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PubNub MCP Server

by pubnub

signal_pubnub_message

Send lightweight, real-time notifications or presence indicators to a PubNub channel with a 30-character payload. Ideal for instant signals without storing in message history.

Instructions

Sends a PubNub Signal to a specified channel. Signals are lightweight, fast messages that do not get stored in message history and have a 30-character payload limit. Call this tool when you need to send small, real-time notifications or presence indicators.

Input Schema

NameRequiredDescriptionDefault
channelYesName of the PubNub channel (string) to send the signal to
messageYesSignal payload as a string (max 30 characters)

Input Schema (JSON Schema)

{ "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "channel": { "description": "Name of the PubNub channel (string) to send the signal to", "type": "string" }, "message": { "description": "Signal payload as a string (max 30 characters)", "type": "string" } }, "required": [ "channel", "message" ], "type": "object" }

MCP directory API

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curl -X GET 'https://glama.ai/api/mcp/v1/servers/pubnub/pubnub-mcp-server'

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