mcp-server-datahub

A Model Context Protocol server implementation for DataHub. This enables AI agents to query DataHub for metadata and context about your data ecosystem.

Supports both DataHub Core and DataHub Cloud.

Features

Searching across all entity types and using arbitrary filters
Fetching metadata for any entity
Traversing the lineage graph, both upstream and downstream
Listing SQL queries associated with a dataset

Demo

Check out the demo video, done in collaboration with the team at Block.

Usage

Install uv

# On macOS and Linux.
curl -LsSf https://astral.sh/uv/install.sh | sh

Locate your authentication details

For authentication, you'll need the following:
- The URL of your DataHub instance e.g. https://tenant.acryl.io/gms
- A personal access token
Alternative: Using ~/.datahubenv for authentication

You can also use a ~/.datahubenv file to configure your authentication. The easiest way to create this file is to run datahub init and follow the prompts.
```
uvx --from acryl-datahub datahub init
```
Configure your MCP client. See below - this will vary depending on your agent.

Claude Desktop

Run which uvx to find the full path to the uvx command.

In your claude_desktop_config.json file, add the following:

{
  "mcpServers": {
    "datahub": {
      "command": "<full-path-to-uvx>",  // e.g. /Users/hsheth/.local/bin/uvx
      "args": ["mcp-server-datahub"],
      "env": {
        "DATAHUB_GMS_URL": "<your-datahub-url>",
        "DATAHUB_GMS_TOKEN": "<your-datahub-token>"
      }
    }
  }
}

Cursor

In .cursor/mcp.json, add the following:

{
  "mcpServers": {
    "datahub": {
      "command": "uvx",
      "args": ["mcp-server-datahub"],
      "env": {
        "DATAHUB_GMS_URL": "<your-datahub-url>",
        "DATAHUB_GMS_TOKEN": "<your-datahub-token>"
      }
    }
  }
}

Other MCP Clients

command: uvx
args:
  - mcp-server-datahub
env:
  DATAHUB_GMS_URL: <your-datahub-url>
  DATAHUB_GMS_TOKEN: <your-datahub-token>

Troubleshooting

`spawn uvx ENOENT`

The full stack trace might look like this:

2025-04-08T19:58:16.593Z [datahub] [error] spawn uvx ENOENT {"stack":"Error: spawn uvx ENOENT\n    at ChildProcess._handle.onexit (node:internal/child_process:285:19)\n    at onErrorNT (node:internal/child_process:483:16)\n    at process.processTicksAndRejections (node:internal/process/task_queues:82:21)"}

Solution: Replace the uvx bit of the command with the output of which uvx.

Developing

See DEVELOPING.md.

License

andrewcheny/mcp-server-datahub

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