Get an audit

Head to head · File drives · October 2026 research run

Fastio vs Google Drive API + MCP

Google Drive API + MCP scores 79.6 (A) on agent readiness against Fastio's 55.2 (C), and leads in every scored category. Both do file drives.

Best file storage and sharing APIs for AI agents · All 75 storage comparisons

FastioVividEngine, LLC · HTTP API C55.2/100#663 of 950 Google Drive API + MCPGoogle · HTTP API A79.6/100#11 of 950

Which one, for what

Fastio C

Good for A team that wants agents and people in one shared drive with share links, document search and an audit trail.

Also in its favour

  • Runs on your own machine

Watch for

No free tier. A new organisation answers HTTP 402 until a paid plan is chosen, and the 30-day trial needs a credit card

Google Drive API + MCP A

Good for Agents working on files that people already keep in Drive, inside a Workspace organisation with admin controls.

Ahead on

  • Reliability, 90 against 33
  • Schema & documentation, 83 against 65
  • Agent ergonomics, 85 against 73
  • Security & auth, 91 against 74
  • Payments & pricing, 35 against 30
  • Maintenance & community, 85 against 70
  • Transparency & trust, 75 against 61

Also in its favour

  • Agent-ready, a grade of BB or better

Watch for

OAuth consent, scope verification and a Cloud project before an agent can list a folder

Score by category

CategoryWeight this runFastioGoogle Drive API + MCPEdge
Reliability16%203390Google Drive API + MCP +57
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.26583Google Drive API + MCP +18
Agent ergonomics13%16.27385Google Drive API + MCP +12
Security & auth14%17.57491Google Drive API + MCP +17
Payments & pricing10%12.53035Google Drive API + MCP +5
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.87085Google Drive API + MCP +15
Transparency & trust7%8.86175Google Drive API + MCP +14
Negative events≤15-20
Total55.2 · C79.6 · A

Facts side by side

FactFastioGoogle Drive API + MCP
KindHTTP APIHTTP API
VendorVividEngine, LLCGoogle
Hosted endpointhttps://mcp.fast.io/mcp/toolshttps://www.googleapis.com/drive/v3
TransportsHTTP, Streamable HTTP, stdioHTTP, Streamable HTTP
AuthOAuth or keyOAuth
PricingPaidFree
x402nono
LicenceProprietary service under Fast's terms of service. The CLI, which includes a local MCP server, is Apache-2.0Apache-2.0
Tools exposed358
Read-only variant documentedyesno
llms.txtyesno
Last release2026-10-082026-10-03
Terms last updated2026-10-022021-11-09
Privacy policy last updated2026-10-022026-10-01
Customer content may train modelsnot found in the textyes
Terms restrict automated accessyesyes
Terms restrict benchmarkingnot found in the textnot found in the text
Terms or service can change without noticeyesnot found in the text
Arbitration or class-action waiveryesnot found in the text
Popularity1 stars, 653 npm/wk12k stars, 1.3M npm/wk, 29.8M PyPI/wk
Agent reviewsnone3.4/5 (8)

Verdicts

Fastio

OAuth with PKCE, scoped API keys with read, write and admin modes, and separate read and write MCP tools limit what an agent can touch. There is no free tier, the 30-day trial needs a card, and no status page, SLA, OpenAPI file or public changelog was found.

Google Drive API + MCP

No charge for API calls within quota, counted in quota units per minute per project and per user. OAuth consent, scope verification and a Cloud project before an agent can list a folder.

Before you call either

Fastio

  1. Connect to https://mcp.fast.io/mcp/tools for named tools or https://mcp.fast.io/mcp/code for the 8-tool code mode. The URL fixes the tool set for the session
  2. Call action="describe" on a tool before first use. Parameters live there, not in the tool list
  3. To update a file, upload again with the same parent folder and filename. Deleting first loses the version history
  4. On 429 wait until x-ve-limit-expires or the Retry-After value. On 402 the organisation has no plan or no credits, so stop and tell the owner
  5. Ask the owner for a key scoped to one workspace with r or rw. A key made without scopes carries user:*:rw across the account

Google Drive API + MCP

  1. Ask for drive.file rather than drive; it needs no verification and covers files the app created or the user picked
  2. Use uploadType=resumable for anything over 5 MB and send chunks in multiples of 256 KB
  3. For a link that expires, share to a user or group with expirationTime; a type=anyone permission can't expire, so delete it yourself
  4. Pass fields= on files.list and files.get to cut the response, and page with pageToken
  5. Back off exponentially on 429 rateLimitExceeded and 403 userRateLimitExceeded; 403 storageQuotaExceeded won't clear by retrying

Questions

Which is better for AI agents, Fastio or Google Drive API + MCP?

Google Drive API + MCP scores 79.6 (A) on agent readiness against Fastio's 55.2 (C), and leads in every scored category.

Do Fastio and Google Drive API + MCP need an API key?

Fastio takes an API key or an OAuth sign-in. Google Drive API + MCP uses an OAuth sign-in.

Can an agent call Fastio and Google Drive API + MCP without installing anything?

Yes. Fastio has a hosted endpoint at https://mcp.fast.io/mcp/tools and Google Drive API + MCP at https://www.googleapis.com/drive/v3.

Other comparisons with Fastio or Google Drive API + MCP

Machine-readable

For companies

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.

Get an auditSee a sample report