Apollo IO MCP Server + Klavis AI: 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 Klavis AI, 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 Klavis AI, 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 Klavis AI
- 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
- Klavis AI installed and configured
- Compatible operating system (Cloud (klavis.ai), Self-Hosted (Docker), Python SDK, TypeScript SDK)
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 Klavis AI
- Open Klavis AI settings
- Navigate to MCP server configuration
- Add Apollo IO MCP Server server with appropriate settings
- Save and restart if needed
Examples
Once configured, you can use Apollo IO MCP Server in Klavis AI:
Enrich Contact Information
Enrich a person's profile using their email address
Ask Klavis AI: "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 Klavis AI: "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 Klavis AI: "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 Klavis AI: "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
- Launch Klavis AI
- Verify Apollo IO MCP Server is available in the tools list
- Test basic Apollo IO MCP Server functionality
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
API Authentication Failed
Symptoms: 401 Unauthorized errors, Invalid API key message
Cause: Missing or incorrect API key
Solution:
- Verify API key is correctly copied from klavis.ai dashboard
- Check API key is set in environment variable or code
- Ensure API key has not expired
- Regenerate API key if necessary
OAuth Authorization Errors
Symptoms: OAuth redirect failures, Authentication loop, Token refresh errors
Cause: OAuth credentials not configured or expired
Solution:
- Complete OAuth authorization flow for required services
- Check redirect URLs are correctly configured
- Verify OAuth app credentials in service provider settings
- Contact Klavis support for OAuth troubleshooting
Tool Call Failures
Symptoms: Tool not found errors, Execution timeouts, Rate limit errors
Cause: Tool not properly configured or service rate limits exceeded
Solution:
- Verify tool name matches available tools list
- Check service-specific rate limits and quotas
- Ensure required parameters are provided correctly
- Review Klavis API logs for detailed error messages
Context Window Overload
Symptoms: Too many tools error, Context length exceeded, Slow responses
Cause: Too many tools exposed to AI agent at once
Solution:
- Use Strata Progressive Discovery to expose tools hierarchically
- Reduce number of simultaneous MCP servers in Strata configuration
- Filter tools based on current task context
- Enable intelligent tool filtering in Strata settings
Docker Deployment Issues
Symptoms: Container fails to start, Port conflicts, Connection refused
Cause: Docker configuration or port binding errors
Solution:
- Ensure Docker is installed and running
- Check port 5000 is not already in use (or change port mapping)
- Verify Docker image pulled successfully
- Check container logs: docker logs <container-id>
Apollo IO MCP Server not appearing in Klavis AI
Symptoms: Server not listed, Tools not available
Cause: Configuration or installation issue
Solution:
- Verify configuration syntax
- Check Apollo IO MCP Server installation
- Restart Klavis AI
- Check logs for error messages
Next Steps
Now that Apollo IO MCP Server is integrated with Klavis AI:
- Explore all Apollo IO MCP Server capabilities through Klavis AI
- Check out other MCP servers that work with Klavis AI
- 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 Klavis AI MCP guide
- Join the MCP community discussions