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Head to head · File drives · October 2026 research run

Fastio vs OneDrive and SharePoint files (Microsoft Graph)

OneDrive and SharePoint files (Microsoft Graph) scores 65.3 (B) on agent readiness against Fastio's 55.2 (C), and leads in 5 of 7 scored categories. Fastio leads on payments & pricing. 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 OneDrive and SharePoint files (Microsoft Graph)Microsoft · HTTP API B65.3/100#323 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.

Ahead on

  • Payments & pricing, 30 against 20

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

OneDrive and SharePoint files (Microsoft Graph) B

Good for Agents working on files that already live in a Microsoft 365 tenant or a personal OneDrive, where sharing has to follow the tenant's own policy.

Ahead on

  • Reliability, 64 against 33
  • Schema & documentation, 89 against 65
  • Agent ergonomics, 84 against 73
  • Maintenance & community, 75 against 70
  • Transparency & trust, 75 against 61

Watch for

Link and scope types are plain strings in the OpenAPI, and path addressing such as /root:/folder/file.txt: is absent from it

Score by category

CategoryWeight this runFastioOneDrive and SharePoint files (Microsoft Graph)Edge
Reliability16%203364OneDrive and SharePoint files (Microsoft Graph) +31
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.26589OneDrive and SharePoint files (Microsoft Graph) +24
Agent ergonomics13%16.27384OneDrive and SharePoint files (Microsoft Graph) +11
Security & auth14%17.57473Fastio +1
Payments & pricing10%12.53020Fastio +10
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.87075OneDrive and SharePoint files (Microsoft Graph) +5
Transparency & trust7%8.86175OneDrive and SharePoint files (Microsoft Graph) +14
Negative events≤15-2-4
Total55.2 · C65.3 · B

Facts side by side

FactFastioOneDrive and SharePoint files (Microsoft Graph)
KindHTTP APIHTTP API
VendorVividEngine, LLCMicrosoft
Hosted endpointhttps://mcp.fast.io/mcp/toolshttps://graph.microsoft.com/v1.0
TransportsHTTP, Streamable HTTP, stdioHTTP
AuthOAuth or keyOAuth
PricingPaidYour plan
x402nono
LicenceProprietary service under Fast's terms of service. The CLI, which includes a local MCP server, is Apache-2.0MIT (SDKs)
Tools exposed35none
Read-only variant documentedyesno
llms.txtyesno
Last release2026-10-082026-10-06
Terms last updated2026-10-022025-10-01
Privacy policy last updated2026-10-022026-09-01
Customer content may train modelsnot found in the textyes
Terms restrict automated accessyesyes
Terms restrict benchmarkingnot found in the textyes
Terms or service can change without noticeyesyes
Arbitration or class-action waiveryesnot found in the text
Popularity1 stars, 653 npm/wk633 stars, 2.9M npm/wk, 1.6M PyPI/wk

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.

OneDrive and SharePoint files (Microsoft Graph)

One REST surface covers personal OneDrive, work OneDrive and SharePoint libraries, with resumable uploads, sharing links that take an expiry date and per-file Selected permissions. The status page needs JavaScript, an app must be registered and consented to by a person, and the JavaScript client on npm lacks a token-leak fix merged in June 2026.

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

OneDrive and SharePoint files (Microsoft Graph)

  1. Use PUT /content only up to 250 MB. Above 10 MiB Microsoft advises createUploadSession, with fragments in multiples of 320 KiB and under 60 MiB each
  2. Send the bearer token on the createUploadSession POST only. The PUT calls to uploadUrl can return 401 if an Authorization header is included
  3. Set expirationDateTime and scope on createLink. Without a scope the tenant's default link type is created, which may be wider than intended
  4. Follow the 302 from GET /content straight away. Pre-authenticated download URLs can expire within minutes and need no Authorization header
  5. Wait for Retry-After on 429 and 503. Throttled requests still count against the limits, and continued overuse can get the app blocked

Questions

Which is better for AI agents, Fastio or OneDrive and SharePoint files (Microsoft Graph)?

OneDrive and SharePoint files (Microsoft Graph) scores 65.3 (B) on agent readiness against Fastio's 55.2 (C), and leads in 5 of 7 scored categories. Fastio leads on payments & pricing.

Do Fastio and OneDrive and SharePoint files (Microsoft Graph) need an API key?

Fastio takes an API key or an OAuth sign-in. OneDrive and SharePoint files (Microsoft Graph) uses an OAuth sign-in.

Can an agent call Fastio and OneDrive and SharePoint files (Microsoft Graph) without installing anything?

Yes. Fastio has a hosted endpoint at https://mcp.fast.io/mcp/tools and OneDrive and SharePoint files (Microsoft Graph) at https://graph.microsoft.com/v1.0.

Other comparisons with Fastio or OneDrive and SharePoint files (Microsoft Graph)

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