Hex

Search your Hex projects and ask questions about your data with threaded analyses.

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What it can do

  • Search Projects: Search for projects
  • Create Thread: Create a new Hex Thread to ask a question about your data. Hex will use its Threads Agent to analyze your data and then provide a response. The thread will take a few minutes to complet
  • Get Thread: Fetch a Hex Thread using its ID. You can get an ID when you call the `create_thread` tool. If the thread is not finished yet, it will sleep for a number of seconds before returning the mes

What data it sees

Do you need an account

No: the server works without sign-in

Search your Hex projects and ask questions about your data with threaded analyses. Start a new thread, then monitor progress and retrieve results as they’re ready. Continue the conversation to refine answers and dive deeper into insights.

How to connect

How to connect Hex to Claude

The server address to paste into Claude settings:

https://hex.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect Hex to ChatGPT

The server address to paste into ChatGPT settings:

https://hex.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect Hex to Cursor

The server address to paste into Cursor settings:

https://hex.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (4)

Raw names from tools/list. Only developers need these.

search_projectsSearch for projects
create_threadCreate a new Hex Thread to ask a question about your data. Hex will use its Threads Agent to analyze your data and then provide a response. The thread will take a few minutes to complete - you should warn the user about this. While the thread is running, you can use the `get_thread` tool to check on its status. You should check at least 10 times, or until the response has the information the user asked for. Once the thread is complete (status is IDLE), you can use the `continue_thread` tool to add follow-up questions or continue the conversation.
get_threadFetch a Hex Thread using its ID. You can get an ID when you call the `create_thread` tool. If the thread is not finished yet, it will sleep for a number of seconds before returning the messages. You should warn the user about this. Once the thread is complete (status is IDLE), you can use the `continue_thread` tool to add follow-up questions or continue the conversation.
continue_threadContinue a Hex Thread by adding a new message and triggering the agent to process it. The thread must be in IDLE status to be continued. If the thread is currently running, this will return an error. The thread will take a few minutes to complete - you should warn the user about this. While the thread is running, you can use the `get_thread` tool to check on its status.