get_object_details

Get detailed info about a table/view/sequence: columns, data types, constraints, indexes, size, row count. Use this to understand table structure before writing queries. Optionally use server/database/targetSchema params for one-time execution on a different server.

Server Postgres teja-sudo/postgres-mcp-server
Category Read
Risk class Low
Parameters 00 required

What get_object_details does on Postgres

AI agents call get_object_details to retrieve information from Postgres without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why get_object_details needs a policy

get_object_details is a schema inspection and introspection tool that queries metadata about database objects. It returns information only (columns, types, constraints, indexes, metrics) without creating, modifying, or deleting any data or schema. This is purely informational retrieval, fitting the Read category.

From the tool's definition Tool retrieves 'detailed info about a table/view/sequence: columns, data types, constraints, indexes, size, row count' with no mention of modification, deletion, or execution capabilities.

Questions about get_object_details

What does the get_object_details tool do? +

Get detailed info about a table/view/sequence: columns, data types, constraints, indexes, size, row count. Use this to understand table structure before writing queries. Optionally use server/database/targetSchema params for one-time execution on a different server. It is categorised as a Read tool in the Postgres MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_object_details? +

Register the Postgres MCP server in PolicyLayer and add a rule for get_object_details: 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 Postgres. Nothing to install.

What risk level is get_object_details? +

get_object_details is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_object_details? +

Yes. Add a rate_limit block to the get_object_details 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.

How do I block get_object_details completely? +

Set action: deny in the PolicyLayer policy for get_object_details. 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.

What MCP server provides get_object_details? +

get_object_details is provided by the Postgres MCP server (teja-sudo/postgres-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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