๐ ในใฏใชใใใใญใใใฃใใๆๅทๅใใใใใผใฟใๅฎๅ จใซๅๅพใใพใ
AI agents call get_secure_property to retrieve information from Google Apps Script MCP Server without modifying anything โ typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries/retrieves existing encrypted data from Google Apps Script properties without creating, modifying, or deleting anything. It has no side effects beyond returning data that the agent already has permission to access. Although the data is encrypted, the tool merely decrypts and returns itโno irreversible changes occur.
From the tool's definition Tool name 'get_secure_property' and description indicate it retrieves encrypted data from script properties. The lock/unlock emoji (๐) and 'safely retrieve' (ๅฎๅ จใซๅๅพใใพใ) language confirm read-only data retrieval with no modification.
Attacks that exploit this kind of access
๐ ในใฏใชใใใใญใใใฃใใๆๅทๅใใใใใผใฟใๅฎๅ จใซๅๅพใใพใ. It is categorised as a Read tool in the Google Apps Script MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Apps Script MCP Server MCP server in PolicyLayer and add a rule for get_secure_property: 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 Apps Script MCP Server. Nothing to install.
get_secure_property 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 get_secure_property 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 get_secure_property. 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.
get_secure_property is provided by the Google Apps Script MCP Server MCP server (utakata/google-apps-script-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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