insertImageFromUrl
Insert an inline image into a Google Document from a publicly accessible URL
This record as markdown: /tools/ark7-google-drive-mcp/insertimagefromurl.md
What insertImageFromUrl does on Google Drive
AI agents use insertImageFromUrl to create or update resources in Google Drive, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Google Drive environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
index | number | Yes | The index (1-based) where the image should be inserted |
width | number | — | Width of the image in points |
height | number | — | Height of the image in points |
account | string | — | Alias of the Google account to target. Optional — defaults to the session/global default account, or the sole authenticated account. Run manage_accounts list to |
imageUrl | string | Yes | Publicly accessible URL to the image |
documentId | string | Yes | The document ID |
Parameters from the server's own tool schema.
Why insertImageFromUrl is rated Medium
This tool creates/adds new content (an image) to an existing Google Document, which is reversible (the image can be deleted). It does not execute arbitrary code, delete data permanently, or trigger financial transactions. The severity is medium because misuse could involve injecting malicious/inappropriate images into documents, but the impact is limited to document modification and can be undone.
From the tool's definition Tool name 'insertImageFromUrl' and description 'Insert an inline image into a Google Document' indicates creation/modification of document content. This is a Write operation that modifies a document by adding an image element.
Attacks that exploit this kind of access
The rule that runs insertImageFromUrl safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Google Drive, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For insertImageFromUrl, this is the rule to start with:
insertImageFromUrl 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Google Drive, apply this rule, and every insertImageFromUrl call is checked against it from then on.
Questions about insertImageFromUrl
Insert an inline image into a Google Document from a publicly accessible URL. It is categorised as a Write tool in the Google Drive MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
insertImageFromUrl accepts 6 parameters: index, width, height, account, imageUrl, documentId. Required: index, imageUrl, documentId. The full parameter table on this page comes from the server's own tool schema.
Register the Google Drive MCP server in PolicyLayer and add a rule for insertImageFromUrl: 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 Google Drive. Nothing to install.
insertImageFromUrl is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the insertImageFromUrl 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.
Set action: deny in the PolicyLayer policy for insertImageFromUrl. 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.
insertImageFromUrl is provided by the Google Drive MCP server (@ark7/google-drive-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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