LucasHild/mcp-server-bigquery
A Model Context Protocol server that provides access to BigQuery.
Installation
Claude Desktop
Installation Command
npx -y @smithery/cli install mcp-server-bigquery --client claudeConfiguration
"mcpServers": {
"bigquery": {
"command": "uv",
"args": [\
"--directory",\
"{{PATH_TO_REPO}}",\
"run",\
"mcp-server-bigquery",\
"--project",\
"{{GCP_PROJECT_ID}}",\
"--location",\
"{{GCP_LOCATION}}"\
]
}
}Instructions
Replace `{{PATH_TO_REPO}}`, `{{GCP_PROJECT_ID}}`, and `{{GCP_LOCATION}}` with the appropriate values.
README
BigQuery MCP server
Permalink: BigQuery MCP server
A Model Context Protocol server that provides access to BigQuery. This server enables LLMs to inspect database schemas and execute queries.
Components
Tools
The server implements one tool:
execute-query: Executes a SQL query using BigQuery dialectlist-tables: Lists all tables in the BigQuery databasedescribe-table: Describes the schema of a specific table
Configuration
The server can be configured with the following arguments:
--project(required): The GCP project ID.--location(required): The GCP location (e.g.europe-west9).--dataset(optional): Only take specific BigQuery datasets into consideration. Several datasets can be specified by repeating the argument (e.g.--dataset my_dataset_1 --dataset my_dataset_2). If not provided, all datasets in the project will be considered.
Quickstart
Install
Installing via Smithery
Permalink: Installing via Smithery
To install BigQuery Server for Claude Desktop automatically via Smithery:
npx -y @smithery/cli install mcp-server-bigquery --client claude
Claude Desktop
On MacOS: ~/Library/Application\ Support/Claude/claude_desktop_config.json
On Windows: %APPDATA%/Claude/claude_desktop_config.json
Development/Unpublished Servers Configuration
Permalink: Development/Unpublished Servers Configuration
"mcpServers": {
"bigquery": {
"command": "uv",
"args": [\
"--directory",\
"{{PATH_TO_REPO}}",\
"run",\
"mcp-server-bigquery",\
"--project",\
"{{GCP_PROJECT_ID}}",\
"--location",\
"{{GCP_LOCATION}}"\
]
}
}
Published Servers Configuration
Permalink: Published Servers Configuration
"mcpServers": {
"bigquery": {
"command": "uvx",
"args": [\
"mcp-server-bigquery",\
"--project",\
"{{GCP_PROJECT_ID}}",\
"--location",\
"{{GCP_LOCATION}}"\
]
}
}
Replace {{PATH_TO_REPO}}, {{GCP_PROJECT_ID}}, and {{GCP_LOCATION}} with the appropriate values.
Development
Building and Publishing
Permalink: Building and Publishing
To prepare the package for distribution:
- Sync dependencies and update lockfile:
uv sync
- Build package distributions:
uv build
This will create source and wheel distributions in the dist/ directory.
- Publish to PyPI:
uv publish
Note: You'll need to set PyPI credentials via environment variables or command flags:
- Token:
--tokenorUV_PUBLISH_TOKEN - Or username/password:
--username/UV_PUBLISH_USERNAMEand--password/UV_PUBLISH_PASSWORD
Debugging
Since MCP servers run over stdio, debugging can be challenging. For the best debugging experience, we strongly recommend using the MCP Inspector.
You can launch the MCP Inspector via npm with this command:
npx @modelcontextprotocol/inspector uv --directory {{PATH_TO_REPO}} run mcp-server-bigquery
Upon launching, the Inspector will display a URL that you can access in your browser to begin debugging.
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A Model Context Protocol server that provides access to BigQuery
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