How do I use Apollo.io MCP Server?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type `@` followed by the MCP server name and your instructions, e.g., "`@Apollo.io MCP Server` Find marketing managers at OpenAI and show their company's tech stack" That's it! The server will respond to your query, and you can continue using it as needed. Here is a [step-by-step guide with screenshots](https://glama.ai/blog/2025-07-08-how-to-install-and-use-mcp-servers).

Apollo.io MCP Server

A comprehensive Model Context Protocol (MCP) server for Apollo.io API integration. Enables AI assistants to enrich company data, search for people and organizations, manage contacts and accounts, and more.

Features

🔍 Enrichment Tools

People Enrichment - Enrich person data by name/email/domain
Organization Enrichment - Get company size, tech stack, department breakdown, funding, revenue

🌐 Global Search Tools

People Search - Search Apollo's 275M+ person database
Organization Search - Search Apollo's 70M+ company database

👥 Contact Management (Your Apollo Account)

Search Contacts - Find contacts you've saved
Create Contact - Add new contacts
Update Contact - Modify existing contacts
View Contact - Get contact details
Get Person Email - Reveal email addresses

🏢 Account Management (Your Apollo Account)

Search Accounts - Find accounts (companies) you've saved
Create Account - Add new accounts (requires master key)
Update Account - Modify existing accounts
View Account - Get account details

💼 Other Tools

Organization Job Postings - Get job listings for a company
Employees of Company - Find employees by company name/URL

Installation

# Clone or download the repository cd apollo-mcp-server # Install dependencies npm install # Build the TypeScript npm run build

Configuration

1. Set up API Keys

Create a .env file in the project root:

APOLLO_API_KEY=your_standard_api_key_here APOLLO_MASTER_API_KEY=your_master_api_key_here

Get your API keys from Apollo.io Settings → API

2. Configure with OpenCode

Add to your opencode.json:

{ "$schema": "https://opencode.ai/config.json", "mcp": { "apollo": { "type": "local", "command": ["node", "/Users/ognjenbabic/apollo-mcp-server/dist/index.js"], "environment": { "APOLLO_API_KEY": "your_key_here", "APOLLO_MASTER_API_KEY": "your_master_key_here" }, "enabled": true } } }

Or use environment variables:

{ "mcp": { "apollo": { "type": "local", "command": ["node", "/Users/ognjenbabic/apollo-mcp-server/dist/index.js"], "environment": { "APOLLO_API_KEY": "{env:APOLLO_API_KEY}", "APOLLO_MASTER_API_KEY": "{env:APOLLO_MASTER_API_KEY}" }, "enabled": true } } }

3. Configure with Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{ "mcpServers": { "apollo": { "command": "node", "args": ["/Users/ognjenbabic/apollo-mcp-server/dist/index.js"], "env": { "APOLLO_API_KEY": "your_key_here", "APOLLO_MASTER_API_KEY": "your_master_key_here" } } } }

Usage Examples

With OpenCode

Once configured, you can interact with Apollo through natural language:

"Use apollo to enrich plauti.com - give me company size, tech stack, and department breakdown"

"Search for marketing managers at apollo.io using apollo"

"Find employees of Stripe using apollo"

"Create a contact in apollo for John Doe at example.com"

Direct Tool Usage

Organization Enrichment

{ "tool": "organization_enrichment", "arguments": { "domain": "plauti.com" } }

Returns:

Company size (employee count)
Tech stack (technologies used)
Department breakdown
Industry, revenue, funding
Location, phone, social profiles

People Search

{ "tool": "people_search", "arguments": { "person_titles": ["VP of Marketing", "Marketing Manager"], "q_organization_domains_list": ["apollo.io"], "per_page": 10 } }

Employees of Company

{ "tool": "employees_of_company", "arguments": { "company": "Stripe", "website_url": "https://stripe.com", "person_titles": ["Engineer", "Developer"] } }

Available Tools (15 Total)

Tool	Description	Credit Cost
`people_enrichment`	Enrich person data	1 credit
`organization_enrichment`	Enrich company data	1 credit
`people_search`	Search global people database	Free
`organization_search`	Search global company database	Free
`search_contacts`	Search your contacts	Free
`create_contact`	Add new contact	1 credit
`update_contact`	Update contact	Free
`view_contact`	View contact details	Free
`search_accounts`	Search your accounts	Free
`create_account`	Add new account	1 credit
`update_account`	Update account	Free
`view_account`	View account details	Free
`organization_job_postings`	Get job postings	Free
`get_person_email`	Reveal email	1 credit
`employees_of_company`	Find employees	Free*

*Note: Uses search credits if enriching results

Apollo.io Terminology

Person - Anyone in Apollo's global database (275M+ people)
Contact - A person you've explicitly saved to your Apollo account
Organization - Any company in Apollo's global database (70M+ companies)
Account - A company you've explicitly saved to your Apollo account

Development

# Install dependencies npm install # Build TypeScript npm run build # Watch mode (auto-rebuild on changes) npm run dev # Start the server npm start

API Documentation

Full Apollo.io API documentation: https://docs.apollo.io/reference/

Troubleshooting

"APOLLO_API_KEY environment variable is required"

Ensure .env file exists with your API key
Or pass via command line: node dist/index.js --api-key=your_key

"Master API key required for account creation"

Account creation requires a master API key
Get one from Apollo.io Settings → API → Generate Master Key

Rate Limits

Apollo uses fixed-window rate limiting
Check your limits: https://docs.apollo.io/reference/rate-limits
View usage: https://docs.apollo.io/reference/view-api-usage-stats

License

MIT

Support

For Apollo.io API issues:

Documentation: https://docs.apollo.io
Support: https://app.apollo.io/support

For MCP server issues:

Check the MCP documentation: https://modelcontextprotocol.io
Review OpenCode docs: https://opencode.ai/docs/mcp-servers

Apollo.io MCP Server

Apollo.io MCP Server

Features

🔍 Enrichment Tools

🌐 Global Search Tools

👥 Contact Management (Your Apollo Account)

🏢 Account Management (Your Apollo Account)

💼 Other Tools

Installation

Configuration

1. Set up API Keys

2. Configure with OpenCode

3. Configure with Claude Desktop

Usage Examples

With OpenCode

Direct Tool Usage

Organization Enrichment

People Search

Employees of Company

Available Tools (15 Total)

Apollo.io Terminology

Development

API Documentation

Troubleshooting

"APOLLO_API_KEY environment variable is required"

"Master API key required for account creation"

Rate Limits

License

Support

Resources

New MCP Servers

Latest Blog Posts

MCP directory API