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How to connect Cohere MCP with ChatGPT

Connect ChatGPT to Cohere MCP. Generate product descriptions with cohere generate, classify customer messages with cohere classify, and more using natural language, with authentication handled for you.

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Cohere is an enterprise provider of language and multimodal AI models for generation, embeddings, and classification. Use Cohere for high-quality text generation, scalable embeddings, reranking, and classification across workflows.

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How to connect Cohere 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 Cohere account to ChatGPT via Composio Connect, so it can generate text, create embeddings, classify inputs, rerank results, and summarize content through natural language commands without ever putting your account credentials at risk.

Also integrate Cohere 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 Cohere 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 Cohere 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 Cohere messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize Cohere.

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 Cohere

  • Generate product descriptions with Cohere generate
  • Classify customer messages with Cohere classify
  • Create embeddings for search using Cohere embeddings

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 Cohere action and event your agent gets out of the box.

Cancel Batch

Cancel one in-progress Cohere batch.

Cancel Embed Job

Irreversibly cancel one active Cohere asynchronous embed job by ID.

Chat

Generate one non-streaming Cohere chat response from an ordered conversation, optionally using documents, tools, structured output, or reasoning controls.

Check API Key

Check whether the connected Cohere API key is valid and return its organization and owner identifiers when available.

Create Batch

Start one asynchronous Cohere batch from an existing validated batch request dataset and return immediately without polling.

Create Dataset

Upload a Cohere dataset and start asynchronous validation.

Create Embed Job

Start one asynchronous Cohere embedding job for a validated embed-input dataset and return immediately without polling.

Delete Dataset

Permanently delete a Cohere dataset by ID.

Detokenize Tokens

Convert ordered Cohere token IDs back to text using the tokenizer for an explicit matching model.

Embed Inputs

Create v2 embeddings from exactly one input form: text strings, image data URIs, or structured multimodal content.

Get Batch

Retrieve one asynchronous Cohere batch's status and counters by batch ID.

Get Dataset

Retrieve one Cohere dataset by ID, including its asynchronous validation state, schema, files, parsing details, and metrics.

Get Dataset Usage

Read the organization's Cohere dataset-storage consumption in bytes.

Get Embed Job

Retrieve one Cohere asynchronous embedding job's current status, model, and input and output dataset identifiers by job ID.

Get Model

Retrieve a Cohere model's endpoint compatibility, context size, features, tokenizer, and default sampling parameters by model name.

List Batches

Return one page of asynchronous Cohere batches and their statuses without creating or cancelling work.

List Datasets

Return one offset-based page of Cohere datasets, optionally filtered by type, validation status, or creation time.

List Embed Jobs

List Cohere asynchronous embedding jobs and their current statuses.

List Models

Discover Cohere model names and capabilities, optionally filtered to an endpoint or its default model.

Rerank Documents

Rank text documents by relevance to a query and return the highest-scoring source documents.

Tokenize Text

Convert text into token IDs with an explicit Cohere model.

Transcribe Audio

Transcribe an uploaded audio file to text with a Cohere transcription model.

FRAMEWORKS

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Atomic Agent

Use Cohere MCP with Atomic Agent

FAQ

Frequently asked questions

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

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

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