MCP server for Google Cloud Storage with fine-grained tool access control.
To add gcs to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 8 environment variables, listed below.
Install
npx -y gcs-google-mcp-server@0.1.14Environment variables
GCS_PROJECT_IDSet in your MCP configGCS_SERVICE_ACCOUNT_KEY_FILESet in your MCP configGCS_SERVICE_ACCOUNT_KEY_JSONSet in your MCP configGCS_BUCKETSet in your MCP configGCS_ENABLED_TOOLGROUPSSet in your MCP configGCS_ENABLED_TOOLSSet in your MCP configGCS_DISABLED_TOOLSSet in your MCP configSKIP_HEALTH_CHECKSSet in your MCP configInstall with your client
claude mcp add gcs --env GCS_PROJECT_ID=<YOUR_GCS_PROJECT_ID> --env GCS_SERVICE_ACCOUNT_KEY_FILE=<YOUR_GCS_SERVICE_ACCOUNT_KEY_FILE> --env GCS_SERVICE_ACCOUNT_KEY_JSON=<YOUR_GCS_SERVICE_ACCOUNT_KEY_JSON> --env GCS_BUCKET=<YOUR_GCS_BUCKET> --env GCS_ENABLED_TOOLGROUPS=<YOUR_GCS_ENABLED_TOOLGROUPS> --env GCS_ENABLED_TOOLS=<YOUR_GCS_ENABLED_TOOLS> --env GCS_DISABLED_TOOLS=<YOUR_GCS_DISABLED_TOOLS> --env SKIP_HEALTH_CHECKS=<YOUR_SKIP_HEALTH_CHECKS> -- npx -y gcs-google-mcp-server@0.1.14
Run this in a terminal to add the server to Claude Code.
What this does
gcs exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
GCS_PROJECT_ID GCS_SERVICE_ACCOUNT_KEY_FILE GCS_SERVICE_ACCOUNT_KEY_JSON GCS_BUCKET GCS_ENABLED_TOOLGROUPS GCS_ENABLED_TOOLS GCS_DISABLED_TOOLS SKIP_HEALTH_CHECKS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install gcs?
Run the Claude Code command in the install section to add gcs to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with gcs?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to gcs as well.
Does gcs need an API key?
Yes. Before it can run, set these environment variables: GCS_PROJECT_ID, GCS_SERVICE_ACCOUNT_KEY_FILE, GCS_SERVICE_ACCOUNT_KEY_JSON, GCS_BUCKET, GCS_ENABLED_TOOLGROUPS, GCS_ENABLED_TOOLS, GCS_DISABLED_TOOLS, SKIP_HEALTH_CHECKS. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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