Apollo IO MCP Server + Roo Code: 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 Roo Code, 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 Roo Code, 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 Roo Code
• 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
• Roo Code 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 Roo Code

1. Locate your configuration file:

   • Windows: %USERPROFILE%\.roo\mcp_settings.json
   • macOS: ~/.roo/mcp_settings.json
   • Linux: ~/.roo/mcp_settings.json

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"
      }
    }
  }
}

3. Restart Roo Code

Completely quit and restart Roo Code to load the new configuration.

Examples

Once configured, you can use Apollo IO MCP Server in Roo Code:

Enrich Contact Information

Enrich a person's profile using their email address

Ask Roo Code: "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 Roo Code: "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 Roo Code: "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 Roo Code: "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 Roo Code
2. Ask Roo Code to list available tools
3. Try using Apollo IO MCP Server functionality

Test prompts:

• "Type @ and verify Apollo IO MCP Server appears in the tools list"
• "Ask: "Use Apollo IO MCP Server to help with my task""
• "Check Roo Code output panel for server connection status"

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 not appearing in tools list, Connection timeout, MCP tools unavailable

Cause: Incorrect configuration or server not starting

Solution:

• Verify mcp_settings.json syntax is correct
• Check that Node.js and npx are installed and in PATH
• View Roo Code output panel for error messages
• Test server command manually in terminal: npx -y {server_id}
• Ensure environment variables are properly set

Permission Denied Errors

Symptoms: Cannot execute commands, File access denied, Terminal commands blocked

Cause: Roo Code requires explicit permission for file and command operations

Solution:

• Review and approve permission requests when prompted
• Check VS Code workspace trust settings
• Enable necessary permissions in Roo Code settings
• Verify file and folder permissions on your system

API Key or Model Issues

Symptoms: Authentication failed, Model not responding, No AI completions

Cause: AI model API key not configured or invalid

Solution:

• Verify API key is correctly set in Roo Code settings
• Check API key has sufficient credits/quota
• Test with a different AI model provider
• Review Roo Code output panel for API error details

Custom Mode Not Working with MCP

Symptoms: MCP tools not available in custom mode, Mode cannot access server

Cause: Custom mode configuration does not include MCP tool permissions

Solution:

• Edit custom mode configuration to include MCP tools
• Add "Use MCP" to available tools in mode definition
• Ensure mode has appropriate permissions for external tools
• Test with default mode first to verify MCP server works

Extension Conflicts

Symptoms: Roo Code not responding, VS Code performance issues, Unexpected behavior

Cause: Conflicts with other AI coding extensions

Solution:

• Disable other AI coding extensions (Cline, Continue, etc.)
• Restart VS Code after disabling conflicting extensions
• Check VS Code extension logs for conflict errors
• Use only one AI coding assistant extension at a time

Apollo IO MCP Server not appearing in Roo Code

Symptoms: Server not listed, Tools not available

Cause: Configuration or installation issue

Solution:

• Verify configuration syntax
• Check Apollo IO MCP Server installation
• Restart Roo Code
• Check logs for error messages

Next Steps

Now that Apollo IO MCP Server is integrated with Roo Code:

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

Need Help?

• Search for Apollo IO MCP Server documentation
• Check the Roo Code MCP guide
• Join the MCP community discussions