setFilePermission
Sets a sharing permission on a Drive file or folder. Common case: type=
This record as markdown: /tools/a-bonus-google-docs-mcp/setfilepermission.md
What setFilePermission does on Claude MCP x Google Docs
AI agents use setFilePermission to create or update resources in Claude MCP x Google Docs, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Claude MCP x Google Docs environment.
Why setFilePermission is rated Medium
This tool modifies file permissions/sharing settings, making it a Write action (creates or modifies data reversibly). It is not Destructive because permissions can be reverted, and not Execute because it doesn't run external code.
From the tool's definition setFilePermission sets sharing permissions on Drive files/folders, which modifies access control metadata. The description states it 'Sets a sharing permission' on files/folders, a reversible metadata modification.
Attacks that exploit this kind of access
The rule that runs setFilePermission safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Claude MCP x Google Docs, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For setFilePermission, this is the rule to start with:
setFilePermission 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 Claude MCP x Google Docs, apply this rule, and every setFilePermission call is checked against it from then on.
Questions about setFilePermission
Sets a sharing permission on a Drive file or folder. Common case: type=. It is categorised as a Write tool in the Claude MCP x Google Docs MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Claude MCP x Google Docs MCP server in PolicyLayer and add a rule for setFilePermission: 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 Claude MCP x Google Docs. Nothing to install.
setFilePermission 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 setFilePermission 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 setFilePermission. 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.
setFilePermission is provided by the Claude MCP x Google Docs MCP server (a-bonus/google-docs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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