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MCP server

mcp-server-bigquery

Runs locallyMITUpdated on Nov 6, 2026131GitHub starsCan change dataNeeds an API key

A small local MCP server by Lucas Hild that gives an AI client three BigQuery tools: run a query in the BigQuery dialect, list the tables in a project, and describe a table's schema.

What it does

A small local MCP server by Lucas Hild that gives an AI client three BigQuery tools: run a query in the BigQuery dialect, list the tables in a project, and describe a table's schema. It is configured with a Google Cloud project and location, can be limited to chosen datasets, and accepts an optional service-account key file and query timeout; without a key it uses default credentials. The README gives one-line setup commands for Claude Code and Codex using uvx. It does not describe any limit on which SQL statements are allowed, so queries are bounded by the permissions of the account it runs as.

Capabilities

  • Run SQL queries in BigQuery
  • List tables across a project's datasets
  • Describe a table's schema
  • Limit access to selected datasets