GOOGLESUPER_LIST_TABLES
This action is used to list all tables in a Google Spreadsheet, call this action to get the list of tables in a spreadsheet. Discover all tables in a Google Spreadsheet by analyzing sheet structure and detecting data patterns. Uses heuristic analysis to find header rows, data boundaries, and tabl...
This record as markdown: /tools/googlesuper/googlesuper-list-tables.md
What GOOGLESUPER_LIST_TABLES does on Google Super
AI agents call GOOGLESUPER_LIST_TABLES to retrieve information from Google Super without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
min_rows | integer | — | Minimum number of data rows to consider a valid table |
min_columns | integer | — | Minimum number of columns to consider a valid table |
min_confidence | number | — | Minimum confidence score (0.0-1.0) to consider a valid table |
spreadsheet_id | string | — | Google Sheets ID from the URL (e.g., '1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms') |
Parameters from the server's own tool schema.
Why GOOGLESUPER_LIST_TABLES is rated Low
This tool retrieves and queries the structure of a Google Spreadsheet to enumerate tables. It performs read-only analysis with no ability to modify, delete, or execute operations. The blast radius of misuse is minimal—an AI agent could discover spreadsheet contents but cannot alter or act upon them.
From the tool's definition Tool name contains 'LIST' and description states 'list all tables' and 'Discover all tables' — purely retrieval operations with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs GOOGLESUPER_LIST_TABLES safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Google Super, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For GOOGLESUPER_LIST_TABLES, this is the rule to start with:
GOOGLESUPER_LIST_TABLES is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Google Super, apply this rule, and every GOOGLESUPER_LIST_TABLES call is checked against it from then on.
Questions about GOOGLESUPER_LIST_TABLES
This action is used to list all tables in a Google Spreadsheet, call this action to get the list of tables in a spreadsheet. Discover all tables in a Google Spreadsheet by analyzing sheet structure and detecting data patterns. Uses heuristic analysis to find header rows, data boundaries, and table structures. It is categorised as a Read tool in the Google Super MCP Server, which means it retrieves data without modifying state.
GOOGLESUPER_LIST_TABLES accepts 4 parameters: min_rows, min_columns, min_confidence, spreadsheet_id. The full parameter table on this page comes from the server's own tool schema.
Register the Google Super MCP server in PolicyLayer and add a rule for GOOGLESUPER_LIST_TABLES: 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 Super. Nothing to install.
GOOGLESUPER_LIST_TABLES 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 GOOGLESUPER_LIST_TABLES 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 GOOGLESUPER_LIST_TABLES. 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.
GOOGLESUPER_LIST_TABLES is provided by the Google Super MCP server (googlesuper). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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