How to integrate Apollo MCP with ChatGPT

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How to integrate Apollo MCP with ChatGPT

ChatGPT is one of the most popular AI tools today, with capabilities ranging from deep research and image generation to writing, coding, and everyday productivity.

In this guide, I will explain the easiest and most secure way to connect your Apollo account to ChatGPT via Composio Connect, so it can summarize unread updates from this morning, create draft replies to urgent messages, fetch contact details for recent senders, and more without ever putting your account credentials at risk.

Also integrate Apollo with

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Apollo integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more.
  • 1,000+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
  • Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand.
  • Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation.

Prerequisites

  • A ChatGPT account with Plus subscription or higher (Business, Enterprise, Edu, or Pro). We will use ChatGPT Web.
  • Access to the Apollo workspace you want to connect.
  • Composio MCP.

Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account.

Step-by-step: Connect Apollo to ChatGPT

1. Enable Developer Mode

In ChatGPT, go to Settings > Apps > Advanced settings and turn on Developer Mode.

ChatGPT settings showing Developer Mode toggle

2. Add the MCP server

Click Create app, then paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT create app flow with Composio MCP URL

3. Authorize in your browser

A browser window will open automatically. Sign in to authorize ChatGPT to access your Composio account.

Composio authorization screen for ChatGPT MCP setup

4. Start using Composio

Composio tools are now available in ChatGPT chats and Deep Research. In every new chat, click the + icon at the bottom, click More, and select Composio to enable tools for that conversation.

What you can do after connecting Apollo

  • Bulk enrich profiles for new leads
  • Add contacts to outreach sequence now
  • Create a new sales deal for Acme
  • List all opportunity stages in pipeline

Security + privacy notes (important)

  • Use least-privilege access: Only grant permissions you actually need.
  • Review OAuth permissions before approving: Make sure requested scopes match what you expect Composio and ChatGPT to do.
  • Keep write actions human-reviewed: For actions like sending messages, creating labels, or editing drafts, keep manual confirmation enabled.
  • Be careful with sensitive data: Avoid using this setup with highly sensitive information unless allowed by your personal, company, or client policies.

Supported Tools & Triggers

Tools
Add Contacts to SequenceAdds contacts to a specified apollo email sequence by initiating an asynchronous background job and returning its details.
Bulk organization enrichmentEnriches data for up to 10 organizations simultaneously by providing a list of their base company domains (e.
Bulk people enrichmentUse to enrich multiple person profiles simultaneously with comprehensive data from apollo's database.
Bulk update account stageBulk updates the stage for specified existing apollo.
Create an Apollo accountCreates a new account in apollo.
Create Apollo contactCreates a new contact in apollo.
Create Apollo dealCreates a new sales opportunity (deal) in apollo.
Create Apollo TaskCreates a distinct apollo.
Get LabelsRetrieves all labels from apollo.
Get opportunity stagesRetrieves all configured opportunity (deal) stages from the apollo.
Get Organization Job PostingsRetrieves paginated job postings for a specified organization by its id, optionally filtering by domain; ensure `organization id` is a valid identifier.
Get typed custom fieldsRetrieves all typed custom field definitions available in the apollo.
List Apollo account stagesRetrieves all available apollo.
List apollo contact stagesRetrieves all available contact stages from an apollo account, including their unique ids and names.
List Apollo dealsRetrieves a list of deals from apollo, using apollo's default sort order if 'sort by field' is omitted.
List email accountsRetrieves all email accounts and their details for the authenticated user; takes no parameters.
List Apollo UsersRetrieves a list of all users (teammates) associated with the apollo account, supporting pagination via `page` and `per page` parameters.
Enrich organization dataFetches comprehensive organization enrichment data from apollo.
Search organizations in ApolloSearches apollo's database for organizations using various filters; consumes credits (unavailable on free plans), retrieves a maximum of 50,000 records, and uses `page` (1-500) and `per page` (1-100) for pagination.
Enrich person with ApolloEnriches and retrieves information for a person from apollo.
Apollo people searchSearches apollo's contact database for people using various filters; results are limited to 50,000 records and this action does not enrich contact data.
Search Apollo AccountsSearches for accounts within your existing apollo.
Search Apollo contactsSearches apollo contacts using keywords, stage ids (from 'list contact stages' action), or sorting (max 50,000 records; `sort ascending` requires `sort by field`).
Search sequencesSearches for sequences (e.
Search tasksSearches for tasks in apollo.
Update an Apollo accountUpdates specified attributes of an existing account in apollo.
Update Apollo contactUpdates specified attributes of an existing apollo.
Update contact ownershipUpdates the ownership of specified apollo contacts to a given apollo user, who must be part of the same team.
Update contact stageUpdates the stage for one or more existing contacts in apollo.
Update contact status in sequenceUpdates a contact's status within a designated apollo sequence, but cannot set the status to 'active'.
Update Apollo dealUpdates specified fields of an existing apollo.

How to build Apollo MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and Apollo MCP?

With a standalone Apollo MCP server, the agents and LLMs can only access a fixed set of Apollo tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Apollo and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with ChatGPT?

Yes, you can. ChatGPT fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Apollo tools.

Can I manage the permissions and scopes for Apollo while using Tool Router?

Yes, absolutely. You can configure which Apollo scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Apollo data and credentials are handled as safely as possible.

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Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai

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