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How to connect BrainGraph with ChatGPT

Connect ChatGPT to BrainGraph MCP. Search graph for onboarding process docs, summarize meeting recordings from last week, and more using natural language, with authentication handled for you.

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BrainGraph builds a searchable knowledge graph from documents, recordings, web pages, and other source material. It provides structured, grounded knowledge to improve AI reasoning and retrieval.

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How to connect BrainGraph MCP with ChatGPT

ChatGPT can take action across your apps and files, stay with a project for hours, and turn a goal into finished materials like sheets, slides, and docs, not just answers.

In this guide, I will explain the easiest and most secure way to connect your BrainGraph account to ChatGPT via Composio Connect, so it can index documents, search your graph, summarize linked content, create nodes and relations, and update node metadata through natural language commands without ever putting your account credentials at risk.

Also integrate BrainGraph with

Claude CoworkHermesAtomic Agent

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's BrainGraph integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more.
  • 1,500+ 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

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 BrainGraph to ChatGPT

1. Install the Composio plugin

Click the button. ChatGPT opens the Composio plugin page. Click Install plugin.

Install in ChatGPT

Composio plugin page in ChatGPT with the Install plugin button

You can also find it inside ChatGPT: go to Settings, open Plugins, search the marketplace for Composio, and click Install plugin.

2. Authenticate

After you install, ChatGPT asks you to authenticate with Composio. Log in and click Allow access to authorize ChatGPT to use your Composio account.

Composio login and Allow access screen for ChatGPT

3. Start using Composio

That is it. Composio tools are now available in ChatGPT. Type @Composio followed by your request, for example @Composio find unread BrainGraph messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize BrainGraph.

Option 2: Add Composio as an MCP server

If you cannot use the plugin marketplace, add Composio as a custom MCP server instead.

1. Open the MCP settings

In ChatGPT, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab.

ChatGPT settings showing the Plugins page with the MCP tab selected

2. Add the server

Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT Add server dialog with the name Composio, type Streamable HTTP, and the Composio MCP URL

Then click Save. The Composio server now appears in your MCP plugins list.

ChatGPT Plugins page showing the Composio MCP server added to the list

3. Authenticate

Click Authenticate on the Composio entry, log in via Composio, and click Allow access. Composio tools are then available in ChatGPT the same way as with the plugin.

What you can do after connecting BrainGraph

  • Search graph for onboarding process docs
  • Summarize meeting recordings from last week
  • Find citations for product architecture decisions

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.
TOOLS

Supported Tools

Every BrainGraph action and event your agent gets out of the box.

Get Document Progress

Get the current transcription, processing, and analysis status for a BrainGraph document.

Ingest Web Page

Fetch readable content from a public web page and queue it for BrainGraph ingestion.

Ingest YouTube Video

Submit a YouTube video for metadata, transcript, and speaker processing; the result may only confirm that processing was queued.

List Brains

List the connected BrainGraph account's knowledge brains and identify the default brain for filtering or targeting other tools.

List Documents

List BrainGraph documents newest first, optionally filtering by filename or notes, failed ingestion status, and brain.

List Graph Patterns

Find recurring relationship-chain patterns in the connected BrainGraph knowledge graph, subject to a minimum occurrence count.

Resolve Entity

Resolve an entity name to a canonical BrainGraph record.

Search Brain

Search facts in the connected account's BrainGraph knowledge graph using a natural-language question, optionally restricted to selected brains.

Transcribe Audio

Upload an audio file or submit a direct public audio URL for diarized transcription and graph ingestion.

Upload Document

Upload a document file supplied by the caller or plain text and queue it for BrainGraph ingestion.

FRAMEWORKS

How to build BrainGraph MCP Agent with another framework

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Claude Cowork

Use BrainGraph MCP with Claude Cowork

Hermes logo

Hermes

Use BrainGraph MCP with Hermes

Atomic Agent logo

Atomic Agent

Use BrainGraph MCP with Atomic Agent

FAQ

Frequently asked questions

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

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 BrainGraph tools.

Yes, absolutely. You can configure which BrainGraph 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.

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 BrainGraph data and credentials are handled as safely as possible.

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