How to integrate Replicate MCP with ChatGPT

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How to integrate Replicate 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 Replicate 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 Replicate with

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Replicate 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 Replicate 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 Replicate 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 Replicate

  • Run Stable Diffusion to generate an image
  • List all your uploaded files on Replicate
  • Get README documentation for a model
  • Show example predictions for a specific model

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
Get Account InformationTool to get authenticated account information.
Cancel PredictionTool to cancel a prediction that is still running.
Get model collectionTool to get a specific collection of models by its slug.
List model collectionsTool to list all collections of models.
Create ModelTool to create a new Replicate model with specified owner, name, visibility, and hardware.
Create PredictionTool to create a prediction for a Replicate Deployment.
Create DeploymentTool to create a new deployment with specified model, version, hardware, and scaling parameters.
Delete DeploymentTool to delete a deployment from your account.
Get Deployment DetailsTool to get deployment details by owner and name.
List deploymentsTool to list all deployments associated with the account.
Create FileTool to create or upload a file to Replicate.
Delete FileTool to delete a file by its ID.
Get File DetailsTool to get details of a file by its ID.
List FilesTool to retrieve a paginated list of uploaded files.
Get PredictionTool to get the status and output of a prediction by its ID.
List Available HardwareTool to list available hardware SKUs for models and deployments.
List model examplesTool to list example predictions for a specific model.
Get Model DetailsTool to get details of a specific model by owner and name.
List Public ModelsTool to list public models with pagination and sorting.
Create Model PredictionTool to create a prediction using an official Replicate model.
Get Model READMETool to get the README content for a model in Markdown format.
Get Model VersionTool to get a specific version of a model.
List Model VersionsTool to list all versions of a specific model.
Create PredictionTool to create a prediction to run a model by version ID.
List All PredictionsTool to list all predictions for the authenticated user or organization with pagination.
Search Models and CollectionsTool to search for models, collections, and docs using text queries (beta).
Cancel TrainingTool to cancel an ongoing training operation in Replicate.
Create Training JobTool to create a training job for a specific model version.
List Training JobsTool to list all training jobs for the authenticated user or organization with pagination.
Update Model MetadataTool to update metadata for a model including description, URLs, and README.
Get Webhook Signing SecretTool to get the signing secret for the default webhook.

How to build Replicate MCP Agent with another framework

FAQ

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

With a standalone Replicate MCP server, the agents and LLMs can only access a fixed set of Replicate tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Replicate 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 Replicate tools.

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

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

Used by agents from

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

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