MCP Server for Google Drive Integration

Google runs its own official Drive MCP server as part of the same Workspace family covered elsewhere on this site (Gmail, Calendar, Sheets) — documented at developers.google.com/workspace/guides/configure-mcp-servers. It lets a connected agent search, retrieve, and manage files within the authenticated user's existing Drive permissions.

A Real Design Insight if You Build Your Own

Whether you use Google's official server or build a custom one against the Drive API directly, one design principle matters more than it might seem: the API distinguishes file metadata from actual content, so a well-designed tool set separates search/listing from content retrieval rather than one tool doing both. This avoids pulling large file bodies into the model's context window just to answer "does a file matching X exist" — a real efficiency and cost consideration once files get large.

// search_files(query, folder_id, mime_type) — metadata only, fast
// read_file_content(file_id) — exports Docs/Sheets to plain text automatically
// move_file(file_id, target_folder_id)

Scope to a Folder, Not the Whole Drive

If you're building a custom server (rather than using Google's official one, which already scopes to the authenticated user's own permissions), use the drive.file OAuth scope where possible so the agent only sees files it created or was explicitly given, rather than requesting full-Drive read access it doesn't need.

Community Alternatives

piotr-agier/google-drive-mcp on GitHub bundles Drive with Docs, Sheets, Slides, and Calendar in one self-hosted server — a reasonable option if you want one combined integration under your own infrastructure rather than Google's separate per-app managed endpoints.