Get detailed schema information for a specific PostgreSQL table
AI agents call get_postgresql_table_schema to retrieve information from MCP Document Converter without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves schema metadata (column names, types, constraints, etc.) from a PostgreSQL database. It performs a read-only operation with no side effects, no data modification, and no code execution. The blast radius is minimal—an AI agent could at worst learn the structure of tables, which is low-risk information gathering. Classified as Read with low severity.
From the tool's definition Tool name 'get_postgresql_table_schema' and description 'Get detailed schema information for a specific PostgreSQL table' indicate a query operation that retrieves metadata about table structure without modifying data.
Attacks that exploit this kind of access
Get detailed schema information for a specific PostgreSQL table. It is categorised as a Read tool in the MCP Document Converter MCP Server, which means it retrieves data without modifying state.
Register the MCP Document Converter MCP server in PolicyLayer and add a rule for get_postgresql_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 MCP Document Converter. Nothing to install.
get_postgresql_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 get_postgresql_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 get_postgresql_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.
get_postgresql_table_schema is provided by the MCP Document Converter MCP server (kittolau/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.
Teams ship this data inside their own products. See what a licence covers →