Read values from a range of cells in a Google Sheets spreadsheet using A1 notation (e.g.,
AI agents call google_sheets_read_range to retrieve information from Sage MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data from a Google Sheets spreadsheet without any side effects. It queries and returns cell values using A1 notation, matching the 'Read' category profile (search, list, get, fetch). No data is created, modified, deleted, or used for financial transactions.
From the tool's definition Tool name 'google_sheets_read_range' and description 'Read values from a range of cells' explicitly indicate data retrieval with no modification or deletion capabilities.
Documented attack patterns abuse exactly the kind of access google_sheets_read_range gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sage MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for google_sheets_read_range:
{
"version": "1",
"default": "deny",
"tools": {
"google_sheets_read_range": {}
}
}google_sheets_read_range is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Read values from a range of cells in a Google Sheets spreadsheet using A1 notation (e.g.,. It is categorised as a Read tool in the Sage MCP MCP Server, which means it retrieves data without modifying state.
Register the Sage MCP server in PolicyLayer and add a rule for google_sheets_read_range: 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 Sage MCP. Nothing to install.
google_sheets_read_range is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the google_sheets_read_range 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 google_sheets_read_range. 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.
google_sheets_read_range is provided by the Sage MCP server (sagemcp/sagemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 359 Sage MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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359 Sage MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.