save_to_onedrive

SERVERHermoso SOURCEhttps://app.hermoso.ai/mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/hermoso/save-to-onedrive.md

WHAT IT DOES

What save_to_onedrive does on Hermoso

AI agents use save_to_onedrive to create or update resources in Hermoso, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Hermoso environment.

RISK

Why save_to_onedrive is rated Medium

An AI agent can call save_to_onedrive faster than any human can review: one bad instruction and it creates or modifies resources in Hermoso by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs save_to_onedrive safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Hermoso, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For save_to_onedrive, this is the rule to start with:

save_to_onedrive Rate-limited

save_to_onedrive stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "save_to_onedrive": {
      "limits": [
        {
          "counter": "save_to_onedrive_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Hermoso, apply this rule, and every save_to_onedrive call is checked against it from then on.

FAQ

Questions about save_to_onedrive

What does the save_to_onedrive tool do? +

Save a Hermoso render — or ANY file — into the user’s connected Microsoft OneDrive. Pass a Hermoso render URL as url (or urls[] for several); for a local/external file, call upload_file first and pass the url it returns. Optional folder (created if new) + name. Returns the OneDrive file(s) with a webViewLink. Needs OneDrive connected (Settings > Connectors > OneDrive). It is categorised as a Write tool in the Hermoso MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on save_to_onedrive? +

Register the Hermoso MCP server in PolicyLayer and add a rule for save_to_onedrive: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Hermoso. Nothing to install.

What risk level is save_to_onedrive? +

save_to_onedrive is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit save_to_onedrive? +

Yes. Add a rate_limit block to the save_to_onedrive rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block save_to_onedrive completely? +

Set action: deny in the PolicyLayer policy for save_to_onedrive. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides save_to_onedrive? +

save_to_onedrive is provided by the Hermoso MCP server (https://app.hermoso.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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