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How to connect Honcho MCP with ChatGPT Work

Connect ChatGPT Work to Honcho MCP. Retrieve agent memory for customer session, list recent context entries for user, and more using natural language, with authentication handled for you.

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Honcho is a memory, context, and theory-of-mind infrastructure for stateful AI agents. It provides durable agent memory and contextual tooling to keep conversations coherent.

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How to connect Honcho MCP with ChatGPT Work

ChatGPT Work is an agent inside ChatGPT built for your most ambitious work. It takes action across your apps and files, stays with a project for hours, and turns 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 Honcho account to ChatGPT Work via Composio Connect, so it can store agent memories, retrieve your session context, summarize conversation history, update agent state, and manage persona profiles through natural language commands without ever putting your account credentials at risk.

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Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Honcho integration lets ChatGPT Work 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

  • A ChatGPT account with access to ChatGPT Work (rolling out across Pro, Enterprise, Edu, Plus, and Business plans). We will use the ChatGPT desktop app, which is available on every plan.
  • Access to the Honcho 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 Honcho to ChatGPT Work

1. Open the MCP settings

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

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

3. Authenticate

Click Authenticate, log in via Composio, and click Allow access to authorize ChatGPT Work to use your Composio account.

Composio login and Allow access screen for ChatGPT Work MCP setup

4. Start using Composio

That is it - Composio tools are now available in ChatGPT Work. Ask it to work with your Honcho account and it will run the actions you authorize.

What you can do after connecting Honcho

  • Retrieve agent memory for customer session
  • List recent context entries for user
  • Create new memory from conversation note

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 Work 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 Honcho action and event your agent gets out of the box.

Chat With Peer

Run usage-bearing agentic search and reasoning over a peer's learned representation to answer a question.

Create Conclusions

Store a batch of 1-100 explicit conclusions about peers, optionally tied to sessions.

Create Messages

Add a batch of 1-100 attributed messages to a Honcho session.

Delete Session

Permanently delete one known session and its session-scoped data.

Get Message

Return one message by its exact ID within a session.

Get or Create Peer

Return a peer by ID within a workspace, creating it with the supplied metadata and configuration when absent.

Get or Create Session

Return a session by ID, or create it with initial peers, metadata, and configuration when absent.

Get or Create Workspace

Return a workspace by ID, or create it with metadata and configuration when absent.

Get Peer Representation

Return a curated subset of conclusions representing a peer.

List Conclusions

Return one page of stored conclusions in a workspace; use Search Conclusions for semantic retrieval.

List Messages

Return one page of messages in a session; use Get Message for exact-ID retrieval.

List Peers

Return one page of peers in a workspace.

List Sessions

Return one page of sessions in a workspace.

List Workspaces

Return one page of Honcho workspaces visible to the connected admin key.

Search Conclusions

Semantically search stored conclusions in a workspace.

Search Messages

Semantically search messages at workspace, peer, or session scope.

FRAMEWORKS

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FAQ

Frequently asked questions

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

Yes, you can. ChatGPT Work 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 Honcho tools.

Yes, absolutely. You can configure which Honcho 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 Honcho data and credentials are handled as safely as possible.

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