Apache Pinot + Claude Desktop App: Complete MCP Integration

Apache Pinot is a MCP server that MCP server for Apache Pinot real-time analytics database with SQL query capabilities and metadata access.

When integrated with Claude Desktop App, you can:

• List and inspect Apache Pinot tables
• View and analyze table segments
• Retrieve and analyze table schemas

This guide provides step-by-step instructions to set up Apache Pinot in Claude Desktop App, including configuration, examples, and troubleshooting.

What You'll Achieve

After completing this setup:

• Apache Pinot will be fully integrated and operational
• You can use Apache Pinot tools directly in Claude Desktop App
• All Apache Pinot capabilities will be available for your workflows
• Access to 5 different tools

Prerequisites

Before starting, ensure you have:

• Apache Pinot broker hostname
• Apache Pinot broker port
• Claude Desktop App installed and configured
• Compatible operating system (Windows, macOS, Linux)

Installation

Step 1: Install Apache Pinot

Configuration

Step 2: Configure Claude Desktop App

1. Locate your configuration file:

   • Windows: %APPDATA%\\Claude\\claude_desktop_config.json
   • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
   • Linux: ~/.config/Claude/claude_desktop_config.json

2. Add server configuration:

{
  "mcpServers": {
    "apache-pinot": {
      "command": "apache pinot",
      "args": [""/path/to/mcp-pinot-repo""],
      "env": {
        "PINOT_BROKER_HOST": "localhost",
        "PINOT_BROKER_PORT": "9000"
      }
    }
  }
}

3. Restart Claude Desktop App

Completely quit and restart Claude Desktop App to load the new configuration.

Examples

Once configured, you can use Apache Pinot in Claude Desktop App:

List All Tables

Get overview of available Pinot tables

Ask Claude Desktop App: "Show me all the tables available in the Pinot cluster"

Expected Result: List of table names with basic metadata and schema information

Execute Analytics Query

Run SQL query for real-time analytics

Ask Claude Desktop App: "SELECT COUNT(*) FROM events WHERE timestamp > now() - 3600000"

Expected Result: Query results showing event count for last hour

Analyze Table Structure

Get detailed schema information for a table

Ask Claude Desktop App: "Show me the schema and structure of the user_events table"

Expected Result: Table schema with column names, types, and index information

Generate Data Visualization

Create histogram plots from query results

Ask Claude Desktop App: "Create a histogram showing user activity distribution by hour"

Expected Result: Histogram visualization with data aggregated by time buckets

Testing Your Setup

1. Start a new conversation in Claude Desktop App
2. Ask Claude Desktop App to list available tools
3. Try using Apache Pinot functionality

Test prompts:

• "Can you list the available tools from Apache Pinot?"
• "Please use Apache Pinot to {example_task}"

Troubleshooting

Common Issues

uv Command Not Found

Symptoms: Command not found error, uv: command not found

Cause: uv package manager not installed

Solution:

• Install uv using: curl -LsSf https://astral.sh/uv/install.sh | sh
• Restart terminal or source shell configuration
• Verify installation with: uv --version

Pinot Connection Failed

Symptoms: Connection refused, Broker unreachable, Network timeout

Cause: Invalid Pinot broker configuration or cluster not running

Solution:

• Verify PINOT_BROKER_HOST and PINOT_BROKER_PORT in .env file
• Check Pinot cluster is running and accessible
• Test connection: telnet <broker_host> <broker_port>
• Ensure firewall allows connections to Pinot broker

Environment Variables Not Loaded

Symptoms: Config missing errors, Default values being used

Cause: .env file not found or incorrectly formatted

Solution:

• Create .env file in repository root directory
• Copy from .env.example and modify values
• Ensure no spaces around = in variable assignments
• Restart MCP server after configuration changes

Claude Desktop Not Recognizing Server

Symptoms: Server not appearing, Connection errors in Claude

Cause: Incorrect claude_desktop_config.json configuration

Solution:

• Verify path to uv binary in command field
• Ensure correct path to mcp-pinot repository
• Restart Claude Desktop after configuration changes
• Check Claude Desktop logs for error messages

Server Not Appearing

Symptoms: No server in interface, Tools not available

Cause: Configuration file error or server installation issue

Solution:

• Validate JSON syntax using online validator
• Check configuration file location
• Verify server installation
• Restart Claude Desktop completely

Server Error on Startup

Symptoms: Error messages in logs, Server fails to start

Cause: Missing dependencies or environment variables

Solution:

• Check server requirements are met
• Verify environment variables are set
• Check system logs for detailed errors

Apache Pinot not appearing in Claude Desktop App

Symptoms: Server not listed, Tools not available

Cause: Configuration or installation issue

Solution:

• Verify configuration syntax
• Check Apache Pinot installation
• Restart Claude Desktop App
• Check logs for error messages

Next Steps

Now that Apache Pinot is integrated with Claude Desktop App:

• Explore all Apache Pinot capabilities through Claude Desktop App
• Check out other MCP servers that work with Claude Desktop App
• Join the MCP community for tips and support
• Consider contributing to Apache Pinot development

Need Help?

• Search for Apache Pinot documentation
• Check the Claude Desktop App MCP guide
• Join the MCP community discussions