sheet_active_set
Set the active sheet in the active Calc spreadsheet.
This record as markdown: /tools/mcp-anything/sheet-active-set.md
What sheet_active_set does on Mcp Anything
AI agents use sheet_active_set to create or update resources in Mcp Anything, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Anything environment.
Why sheet_active_set is rated Medium
This tool modifies the active sheet selection state within a spreadsheet application, which is a reversible change to application state/configuration. It does not create, delete, or destroy data (Destructive), execute arbitrary code (Execute), move money (Financial), or merely read data (Read).
From the tool's definition Tool name 'sheet_active_set' and description 'Set the active sheet in the active Calc spreadsheet' indicate modification of spreadsheet state without deletion or creation of new data.
Attacks that exploit this kind of access
The rule that runs sheet_active_set safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Anything, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For sheet_active_set, this is the rule to start with:
sheet_active_set 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 Mcp Anything, apply this rule, and every sheet_active_set call is checked against it from then on.
Questions about sheet_active_set
Set the active sheet in the active Calc spreadsheet. It is categorised as a Write tool in the Mcp Anything MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Anything MCP server in PolicyLayer and add a rule for sheet_active_set: 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 Mcp Anything. Nothing to install.
sheet_active_set 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 sheet_active_set 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 sheet_active_set. 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.
sheet_active_set is provided by the Mcp Anything MCP server (Zaymadkid/mcp-anything). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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