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How to connect Black Forest Labs with ChatGPT

Connect ChatGPT to Black Forest Labs MCP. Generate a product image with flux, edit a portrait using a text prompt, and more using natural language, with authentication handled for you.

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Black Forest Labs provides hosted FLUX models for generating and editing images and videos. It offers fast, flexible media creation with asynchronous processing and fine-tuning support.

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How to connect Black Forest Labs 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 Black Forest Labs account to ChatGPT via Composio Connect, so it can generate images, edit visual content, create videos, poll jobs, and check credits through natural language commands without ever putting your account credentials at risk.

Also integrate Black Forest Labs with

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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 Black Forest Labs 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

  • A ChatGPT account. We will use the ChatGPT desktop app, and the steps are the same on the web.
  • Access to the Black Forest Labs workspace you want to connect.
  • Composio plugin.

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 Black Forest Labs 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 Black Forest Labs messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize Black Forest Labs.

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 Black Forest Labs

  • Generate a product image with FLUX
  • Edit a portrait using a text prompt
  • Check remaining Black Forest Labs credits

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 Black Forest Labs action and event your agent gets out of the box.

Deblur Image

Submit a paid asynchronous deblurring of an authorized image.

Edit Video

Submit a paid asynchronous prompt-directed edit of an authorized source video.

Erase Image Object

Submit a paid asynchronous removal of a masked object from an authorized image.

Generate Fine-Tuned Image

Submit a paid asynchronous FLUX fine-tuned image generation using an existing LoRA.

Generate or Edit FLUX.2 Klein Image

Submit a paid asynchronous FLUX.

Generate or Edit Image

Submit a paid asynchronous FLUX 3 image generation or authorized reference-image edit.

Generate Video

Submit a paid asynchronous FLUX 3 video task from text, authorized keyframes, a source video, or a prior draft cache.

Get Credit Balance

Return the connected BFL project's current credit balance so funds can be checked before a paid generation or editing request.

Get Fine-Tune

Return details for one BFL fine-tune by ID; an absent or inaccessible fine-tune is reported as not found without distinguishing access denial.

Get Generation Result

Fetch one status update for an asynchronous BFL task using its exact returned polling URL or task ID.

List Fine-Tunes

Return all fine-tunes accessible to the connected BFL project in one unpaginated response.

Outpaint Image

Submit a paid asynchronous expansion of an authorized image onto a larger canvas of at most 4,194,304 pixels.

Upscale Video

Submit a paid asynchronous upscale for the first 20 seconds of an authorized video, with an optional content prompt and 1.

Virtual Try-On

Submit a paid asynchronous virtual try-on using authorized person and garment images.

FRAMEWORKS

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Atomic Agent

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FAQ

Frequently asked questions

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

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

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