How to integrate Linear MCP with ChatGPT

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How to integrate Linear 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 Linear 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 Linear with

Why use Composio over default connectors?

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

  • Create a new bug for team Mobile
  • Add a comment to issue LIN-123
  • List all cycles for the Design team
  • Download the latest attachment from issue LIN-456

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
Triggers
Create linear attachmentCreates a new attachment and associates it with a specific, existing linear issue.
Create a commentCreates a new comment on a specified linear issue.
Create linear issueCreates a new issue in a specified linear project and team, requiring a title and description, and allowing for optional properties like assignee, state, priority, cycle, and due date.
Get create issue default paramsFetches a linear team's default issue estimate and state, useful for pre-filling new issue forms.
Create a labelCreates a new label in linear for a specified team, used to categorize and organize issues.
Delete issueArchives an existing linear issue by its id, which is linear's standard way of deleting issues; the operation is idempotent.
Get all teamsRetrieves all teams from the linear workspace without requiring any parameters.
Download issue attachmentsDownloads a specific attachment from a linear issue; the `file name` must include the correct file extension.
Get current userGets the currently authenticated user's id, name, email, and other profile information.
Get cycles by team IDRetrieves all cycles for a specified linear team id; cycles are time-boxed work periods (like sprints) and the team id must correspond to an existing team.
Get Linear issueRetrieves an existing linear issue's comprehensive details, including title, description, attachments, and comments.
Get all cyclesRetrieves all cycles (time-boxed iterations for work) from the linear account; no filters are applied.
List Linear issuesLists non-archived linear issues; if project id is not specified, issues from all accessible projects are returned.
Get labels by teamRetrieves all labels associated with a given team id in linear; the team id must refer to an existing team.
List linear projectsRetrieves all projects from the linear account.
List Linear statesRetrieves all workflow states for a specified team in linear, representing the stages an issue progresses through in that team's workflow.
Get teams by projectRetrieves all teams, including their members, and filters each team's associated projects by the provided 'project id'.
List Linear usersLists all users in the linear workspace with their ids, names, emails, and active status.
Remove label from Linear issueRemoves a specified label from an existing linear issue using their ids; successful even if the label isn't on the issue.
Run Query or MutationWildcard action that executes any graphql query or mutation against the linear api.
Update issueUpdates an existing linear issue using its `issue id`; requires at least one other attribute for modification, and all provided entity ids (for state, assignee, labels, etc.

How to build Linear MCP Agent with another framework

FAQ

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

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

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

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

Used by agents from

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Context
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Agent.ai
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