A powerful way to extend Highlight’s core functionality. Built on the Model Context Protocol (MCP), plugins enable seamless integration with external services and data sources.

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Overview

Plugins in Highlight:
Plugins homepage
  • Enhance AI interactions with external data and services
  • Follow the Model Context Protocol specification
  • Can be installed from the official Highlight registry

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Installation and Setup

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MCP Server Types

There are three types of MCP servers:
  1. stdio
  2. sse
  3. http (bundled with sse)

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stdio

The stdio server is a simple server that listens for incoming connections and sends and receives messages. Most MCP servers are in this category. When you install a plugin from the registry, it will be a stdio plugin we bundled using our open source bundler code.

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sse & http

The sse server is a server that sends and receives messages via Server-Sent Events. This is a more modern protocol that is supported by most modern browsers

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From the Registry

  1. Navigate to the Plugins section in your Highlight dashboard
  2. Browse available plugins in the registry
  3. Toggle the plugin on
  4. Complete any required configuration steps
Some plugins may require additional setup, such as:
  • API keys
  • Authentication tokens
  • Custom endpoints
  • Workspace-specific configurations
Highlight Plugin Registry

Our Registry (mcpservers.com)

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Plugin Configuration

After installation, you can configure your plugin:
  1. Click on the plugin in your Connected Plugins list
  2. Review the plugin’s documentation
  3. Enter required configuration values in the setup modal
  4. Save your configuration

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Plugin Verification

To verify your plugin installation and monitor its operation:
  1. Access the plugin details page from your Connected Plugins list
  2. Check the following sections:
    • Available Tools
    • Operation Logs
    • Connection Status
Plugin Details View

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Using Plugins

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Activation

Plugins are activated using the ”@” symbol in the Highlight floaty interface:
  1. Open the Highlight floaty
  2. Type ”@” to see available plugins
  3. Select your desired plugin
  4. Enter your query or command
Plugin Activation via Floaty

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Example Use Cases

Here are some popular plugins and their capabilities:

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YouTube

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Github

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Support

If you encounter any issues or have questions:

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Best Practices

  1. Always review plugin permissions before installation
  2. Keep plugins updated to their latest versions
  3. Monitor plugin logs for potential issues