
Apollo.io MCP
β 4from Inferensys
MCP server for Apollo.io, search leads, enrich contacts, manage sequences & CRM from Claude Code, Cursor, or any MCP client. 45+ tool calls covering the full Apollo.io API.
Apollo.io MCP Server
A Model Context Protocol (MCP) server for the Apollo.io API -- giving AI coding assistants like Claude Code, Cursor, and any MCP-compatible client direct access to Apollo.io's sales intelligence platform.
Search leads, enrich contacts with verified emails and phone numbers, manage CRM records, run email sequences, track outreach, manage deals, tasks, notes, labels, and more -- all through natural language via 45 ready-to-use tools.
Why Use This?
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AI-native prospecting -- Ask your AI assistant to "find CTOs at Series B fintech companies in NYC" and get results instantly
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Automated enrichment -- Enrich leads with verified emails and phone numbers without leaving your editor
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CRM operations -- Create, update, search, and delete contacts, accounts, deals, tasks, and notes through conversation
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Sequence management -- Add contacts to email sequences and monitor outreach performance
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Full pipeline visibility -- Access contact stages, account stages, opportunity stages, labels, and team members
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Credit-aware -- Every tool description includes credit cost so your AI avoids unexpected charges
Tools (45)
People Search & Enrichment
Tool Description Cost
search_people Search Apollo's 270M+ contact database by title, company, location, seniority, tech stack, funding stage FREE
enrich_person Get verified email, phone number, and full profile for a person 1 credit
bulk_enrich_people Enrich up to 10 people in a single request 1 credit/person
Company / Organization Data
Tool Description Cost
search_organizations Search companies by name, industry, employee count, revenue 1 credit/page
enrich_organization Get detailed company info (tech stack, funding, size) by domain 1 credit
get_organization Get organization details by Apollo ID FREE
get_organization_job_postings Get current job postings for a company 1 credit
CRM -- Contacts
Tool Description Cost
create_contact Create a contact with automatic deduplication FREE
update_contact Update an existing contact FREE
get_contact Retrieve a contact by ID FREE
search_contacts Search your saved contacts FREE
delete_contact Permanently delete a contact FREE
bulk_create_contacts Create up to 100 contacts at once FREE
bulk_update_contacts Update up to 100 contacts at once FREE
CRM -- Accounts
Tool Description Cost
create_account Create a company record in your CRM FREE
update_account Update an existing account FREE
search_accounts Search your saved accounts FREE
CRM -- Opportunities/Deals
Tool Description Cost
search_opportunities Search deals in your pipeline by keyword, stage, or owner FREE
get_opportunity Get a single deal by ID FREE
create_opportunity Create a new deal with name, amount, stage, contacts FREE
update_opportunity Update deal details, stage, or amount FREE
CRM -- Tasks
Tool Description Cost
search_tasks Search tasks by keyword, assignee, or completion status FREE
get_task Get a single task by ID FREE
create_task Create a call, email, linkedin, or other task FREE
update_task Update task details or mark as completed FREE
CRM -- Notes
Tool Description Cost
search_notes Search notes by keyword or contact FREE
create_note Create a note, optionally attached to a contact FREE
delete_note Delete a note FREE
Email Sequences & Outreach
Tool Description Cost
search_sequences Search email sequences/campaigns FREE
add_contacts_to_sequence Add contacts to an email sequence FREE
update_sequence_status Remove or pause contacts in a sequence FREE
search_outreach_emails Search sent outreach emails with open/click tracking FREE
get_email_activities Get opens, clicks, and replies for an email FREE
list_email_accounts List connected sending email accounts FREE
Labels & Tags
Tool Description Cost
list_labels List all labels/tags in your workspace FREE
create_label Create a new label for contacts or accounts FREE
update_label Rename an existing label FREE
delete_label Delete a label FREE
Pipeline Stages
Tool Description Cost
list_contact_stages List contact pipeline stages (Cold, Approaching, etc.) FREE
list_account_stages List account pipeline stages FREE
list_opportunity_stages List deal pipeline stages (Lead, Qualified, Won, etc.) FREE
Team & Users
Tool Description Cost
search_users Search team members by name or email FREE
Activity Tracking
Tool Description Cost
search_activities Search activity logs (emails, calls, clicks, replies) FREE
search_phone_calls Search phone call records and outcomes FREE
Custom Fields & Metadata
Tool Description Cost
list_fields List all available fields for contacts/accounts FREE
create_custom_field Create a custom field (text, number, dropdown, etc.) FREE
list_custom_fields_deprecated List custom fields via legacy endpoint FREE
News, Usage & Health
Tool Description Cost
search_news_articles Search recent news about target companies Credits
get_api_usage_stats Check API credit usage and remaining balance FREE
health_check Verify API key and check Apollo API health FREE
License
MIT
Contact
Need help integrating MCP servers into your workflow? Reach out at [emailΒ protected]. We help companies build agentic workflows seemlessly that saves time and operational cost.
Built by Inferensys. Contact Us: https://inferensys.com/contact
git clone https://github.com/Chainscore/apollo-io-mcp.git
cd apollo-io-mcp
npm install
npm run buildBefore it works, you'll need: APOLLO_API_KEY
Quick Start
1. Clone & Build
git clone https://github.com/Chainscore/apollo-io-mcp.git
cd apollo-io-mcp
npm install
npm run build
2. Get Your Apollo API Key
Get your API key from Apollo.io Settings > Integrations > API.
3. Add to Your MCP Client
Claude Code (~/.claude/settings.json):
{
"mcpServers": {
"apollo-io": {
"command": "node",
"args": ["/path/to/apollo-io-mcp/dist/index.js"],
"env": {
"APOLLO_API_KEY": "your_key_here"
}
}
}
}
Cursor (.cursor/mcp.json):
{
"mcpServers": {
"apollo-io": {
"command": "node",
"args": ["/path/to/apollo-io-mcp/dist/index.js"],
"env": {
"APOLLO_API_KEY": "your_key_here"
}
}
}
}
Usage Tips
-
Verify your setup -- Start with
health_checkorget_api_usage_stats(both FREE) to confirm your API key works -
Save credits -- Use
search_people(FREE) for prospecting before enriching withenrich_person(1 credit) -
Prefer people search --
search_peopleis free whilesearch_organizationscosts 1 credit/page -
Auto-cleaned domains -- Pass
https://www.google.com,www.google.com, or@google.com-- all resolve togoogle.com -
Built-in deduplication -- Contact creation enforces dedup so you never accidentally create duplicates
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Pipeline workflow -- Use
list_contact_stages/list_opportunity_stagesto get stage IDs, then filter contacts and deals by stage -
Task management -- Create tasks with
create_task, assign to team members found viasearch_users -
Label organization -- Create labels with
create_label, then apply them when creating/updating contacts
Requirements
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Node.js 18+
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Apollo.io API key (get one here)
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An MCP-compatible client (Claude Code, Cursor, etc.)
No common issues documented yet. If you hit a problem, the repository's GitHub Issues page is the best place to look.