DataHub MCP Server

A Model Context Protocol server for the DataHub metadata catalog.

The DataHub MCP server exposes the DataHub metadata catalog to LLM agents over the Model Context Protocol. Agents can search datasets, walk table-level and column-level lineage, read schemas and glossary terms, and inspect the queries that run against a dataset, all grounded in the catalog rather than in the model's training data.

This charm runs the upstream server as a centrally managed, stateless HTTP endpoint instead of a per-user local process. It integrates with DataHub over a relation that provisions a dedicated read-only service account and its access token, with an ingress provider for a single well-known TLS-terminated URL, and with an identity provider so that callers authenticate with OAuth 2.1 bearer tokens.

It is intended for data platform teams who want AI-assisted data discovery without handing long-lived catalog tokens to every workstation. It is a component of the Canonical Data Mesh solution.