From data-agent-kit-starter-pack
Provides Google Cloud Spanner database access for queries, schema inspection, and data manipulation. Runs locally as stdio subprocess. Requires SPANNER_PROJECT, SPANNER_INSTANCE, SPANNER_DATABASE, SPANNER_DIALECT env vars and GCP credentials.
npx claudepluginhub gemini-cli-extensions/data-agent-kit-starter-pack --plugin data-agent-kit-starter-packAdd to your .mcp.json:
{
"mcpServers": {
"datacloud_spanner_toolbox": {
"command": "npx",
"args": [
"-y",
"@toolbox-sdk/server@>=1.1.0",
"--prebuilt",
"spanner",
"--stdio",
"--user-agent-metadata",
"datacloud.claude"
],
"env": {
"SPANNER_DIALECT": "",
"SPANNER_PROJECT": "",
"SPANNER_DATABASE": "",
"SPANNER_INSTANCE": ""
}
}
}
}This server connects to external services. Review the URLs it accesses before enabling.
npxSPANNER_DIALECT=SPANNER_PROJECT=SPANNER_DATABASE=SPANNER_INSTANCE=