beginner⏱️ 12-22 minutes📅 Updated June 2026

Step-by-step guide to integrate Apollo IO MCP Server MCP server with JetBrains AI Assistant. Includes people enrichment and organization enrichment.

Apollo IO MCP Server + JetBrains AI Assistant: Complete MCP Integration

Apollo IO MCP Server is a MCP server that apollo.io mcp server. Get/enrich contact data for people and organizations agentically..

When integrated with JetBrains AI Assistant, you can:

  • Enrich contact data for individuals with comprehensive profile information
  • Enrich company data with detailed organizational information
  • Advanced people search with extensive filtering options

This guide provides step-by-step instructions to set up Apollo IO MCP Server in JetBrains AI Assistant, including configuration, examples, and troubleshooting.

What You'll Achieve

After completing this setup:

  • Apollo IO MCP Server will be fully integrated and operational
  • You can use Apollo IO MCP Server tools directly in JetBrains AI Assistant
  • All Apollo IO MCP Server capabilities will be available for your workflows
  • Access to 7 different tools

Prerequisites

Before starting, ensure you have:

  • Node.js
  • npm
  • Apollo.io API key
  • Apollo.io API key for accessing enrichment services
  • JetBrains AI Assistant installed and configured
  • Compatible operating system (Windows, macOS, Linux)

Installation

Step 1: Install Apollo IO MCP Server

Install using npm:

npm install @agentx-ai/apollo-io-mcp-server

Verify installation:

npm list @agentx-ai/apollo-io-mcp-server

Configuration

Step 2: Configure JetBrains AI Assistant

  1. Locate your configuration file:

    • Windows: Settings > Tools > AI Assistant > Model Context Protocol (MCP)
    • macOS: Preferences > Tools > AI Assistant > Model Context Protocol (MCP)
    • Linux: Settings > Tools > AI Assistant > Model Context Protocol (MCP)
  2. Add server configuration:

{
  "mcpServers": {
    "apollo-io-mcp-server": {
      "command": "npx",
      "args": ["-y", "apollo-io-mcp-server"],
      "env": {
        "APOLLO_IO_API_KEY": "your-apollo-io-api-key"
      }
    }
  }
}

  1. Restart JetBrains AI Assistant

Completely quit and restart JetBrains AI Assistant to load the new configuration.

Examples

Once configured, you can use Apollo IO MCP Server in JetBrains AI Assistant:

Enrich Contact Information

Enrich a person's profile using their email address

Ask JetBrains AI Assistant: "Enrich the contact information for [email protected] and get their professional background"

Expected Result: Complete profile with job title, company details, social profiles, and professional background

Find Marketing Decision Makers

Search for marketing managers at technology companies

Ask JetBrains AI Assistant: "Find Marketing Managers at technology companies in San Francisco with 100-500 employees"

Expected Result: List of marketing professionals with contact details, company information, and role descriptions

Company Intelligence Gathering

Get comprehensive information about a target company

Ask JetBrains AI Assistant: "Get detailed information about Salesforce including employee count, recent hires, and current job openings"

Expected Result: Company profile with metrics, employee data, hiring trends, and job postings

Competitive Analysis

Analyze competitors and find key contacts

Ask JetBrains AI Assistant: "Find all companies in the CRM software space and identify their VP of Sales contacts"

Expected Result: Competitive landscape with company profiles and key decision maker contact information

Testing Your Setup

  1. Start a new conversation in JetBrains AI Assistant
  2. Ask JetBrains AI Assistant to list available tools
  3. Try using Apollo IO MCP Server functionality

Test prompts:

  • "Type / and look for Apollo IO MCP Server tools in the command list"
  • "Ask AI Assistant to use Apollo IO MCP Server for a specific task"
  • "Check the MCP settings page for connection status indicator"

Troubleshooting

Common Issues

Apollo.io API Key Invalid

Symptoms: 401 Authentication errors, API key not recognized, Access denied messages

Cause: Invalid, expired, or missing Apollo.io API key

Solution:

  • Generate new API key from Apollo.io settings
  • Verify APOLLO_IO_API_KEY environment variable is set
  • Check API key has appropriate permissions
  • Ensure no extra spaces or characters in key

Rate Limiting Errors

Symptoms: 429 Too Many Requests, API quota exceeded, Rate limit messages

Cause: Exceeded Apollo.io API rate limits

Solution:

  • Check your Apollo.io plan limits and usage
  • Implement delays between requests
  • Upgrade Apollo.io plan for higher limits
  • Optimize queries to use fewer API calls

Claude Desktop Not Detecting Server

Symptoms: No tools showing up, MCP server not connected, Configuration ignored

Cause: Incorrect claude_desktop_config.json setup

Solution:

  • Verify JSON syntax in configuration file
  • Check file is in correct location for your OS
  • Restart Claude Desktop after configuration changes
  • Test server with MCP inspector first

Search Results Empty or Limited

Symptoms: No search results, Limited contact data, Enrichment fails

Cause: Search criteria too restrictive or data not available

Solution:

  • Broaden search criteria and filters
  • Try different search parameters
  • Check if company/person exists in Apollo database
  • Verify search syntax and parameter format

NPM Installation Errors

Symptoms: Package not found, Installation failures, Dependency errors

Cause: NPM registry issues or network connectivity

Solution:

  • Clear NPM cache: npm cache clean --force
  • Try alternative registry: npm install --registry https://registry.npmjs.org/
  • Check internet connectivity and proxy settings
  • Update NPM: npm install -g npm@latest

MCP Server Not Connecting

Symptoms: Server status shows disconnected, Tools not appearing in chat, Connection timeout

Cause: Server configuration incorrect or server not starting

Solution:

  • Verify server command is correct and executable
  • Check environment variables are set properly
  • View MCP logs: Help > Show Log in Explorer > mcp folder
  • Test server command in terminal manually

Remote Server Not Supported

Symptoms: HTTP server not connecting, SSE transport errors

Cause: AI Assistant only supports stdio transport for client connections

Solution:

  • Use mcp-remote proxy for remote servers
  • Configuration: npx -y mcp-remote@latest https://server-url/endpoint
  • This wraps HTTP/SSE in stdio transport

Import from Claude Not Working

Symptoms: No servers imported, Configuration empty after import

Cause: Claude Desktop config file not found or in unexpected location

Solution:

  • Verify Claude Desktop is installed
  • Check config exists at ~/Library/Application Support/Claude/claude_desktop_config.json (macOS)
  • Or %APPDATA%/Claude/claude_desktop_config.json (Windows)
  • Manually copy configuration if auto-import fails

External Client Cannot Connect to IDE Server

Symptoms: Client shows MCP server unavailable, Connection refused

Cause: IDE MCP server not enabled or client not configured

Solution:

  • Enable MCP Server in Settings > Tools > MCP Server
  • Use Auto-Configure for supported clients
  • Restart both IDE and external client
  • Check firewall allows local connections

Brave Mode Commands Not Running

Symptoms: Terminal commands require confirmation, Workflow interrupted by prompts

Cause: Brave mode not enabled

Solution:

  • Enable in Settings > Tools > MCP Server
  • Check "Run shell commands without confirmation (brave mode)"
  • Use with caution - commands run without confirmation

Apollo IO MCP Server not appearing in JetBrains AI Assistant

Symptoms: Server not listed, Tools not available

Cause: Configuration or installation issue

Solution:

  • Verify configuration syntax
  • Check Apollo IO MCP Server installation
  • Restart JetBrains AI Assistant
  • Check logs for error messages

Next Steps

Now that Apollo IO MCP Server is integrated with JetBrains AI Assistant:

  • Explore all Apollo IO MCP Server capabilities through JetBrains AI Assistant
  • Check out other MCP servers that work with JetBrains AI Assistant
  • Join the MCP community for tips and support
  • Consider contributing to Apollo IO MCP Server development

Need Help?

Related Resources

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Apollo IO MCP Server + JetBrains AI Assistant: MCP Setup Guide (2026)