GOOGLESUPER_GET_TABLE_SCHEMA
This action is used to get the schema of a table in a Google Spreadsheet, call this action to get the schema of a table in a spreadsheet BEFORE YOU QUERY THE TABLE. Analyze table structure and infer column names, types, and constraints. Uses statistical analysis of sample data to determine the mo...
This record as markdown: /tools/googlesuper/googlesuper-get-table-schema.md
What GOOGLESUPER_GET_TABLE_SCHEMA does on Google Super
AI agents call GOOGLESUPER_GET_TABLE_SCHEMA 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 |
|---|---|---|---|
sheet_name | string | — | Sheet/tab name if table_name is ambiguous across multiple sheets |
table_name | string | — | Specific table name from LIST_TABLES response (e.g., 'Sales_Data', 'Employee_List'). Use 'auto' to analyze the largest/most prominent table. |
sample_size | integer | — | Number of rows to sample for type inference |
spreadsheet_id | string | — | Google Sheets ID |
Parameters from the server's own tool schema.
Why GOOGLESUPER_GET_TABLE_SCHEMA is rated Low
This is a read-only query operation that inspects spreadsheet structure and metadata without side effects. It enables schema discovery before data queries but does not modify, delete, or execute code. The low severity reflects that exposure would allow an agent to learn spreadsheet structure but not access, modify, or delete actual data through this tool alone.
From the tool's definition The tool retrieves and analyzes table schema metadata from Google Spreadsheets. Description states 'get the schema', 'Analyze table structure', and 'determine the most likely data type for each column' — all retrieval operations with no modification,…
Attacks that exploit this kind of access
The rule that runs GOOGLESUPER_GET_TABLE_SCHEMA 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_GET_TABLE_SCHEMA, this is the rule to start with:
GOOGLESUPER_GET_TABLE_SCHEMA 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_GET_TABLE_SCHEMA call is checked against it from then on.
Questions about GOOGLESUPER_GET_TABLE_SCHEMA
This action is used to get the schema of a table in a Google Spreadsheet, call this action to get the schema of a table in a spreadsheet BEFORE YOU QUERY THE TABLE. Analyze table structure and infer column names, types, and constraints. Uses statistical analysis of sample data to determine the most likely data type for each column. Call this action after calling the LIST_TABLES action to get the schema of a table in a spreadsheet. It is categorised as a Read tool in the Google Super MCP Server, which means it retrieves data without modifying state.
GOOGLESUPER_GET_TABLE_SCHEMA accepts 4 parameters: sheet_name, table_name, sample_size, 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_GET_TABLE_SCHEMA: 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_GET_TABLE_SCHEMA 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_GET_TABLE_SCHEMA 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_GET_TABLE_SCHEMA. 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_GET_TABLE_SCHEMA 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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