PostgreSQL_list_foreign_tables_detailed

Get detailed information about foreign tables and their servers.

SERVERPostgres SOURCEmukul975/postgres-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mukul975-postgres-mcp-server/postgresql-list-foreign-tables-detailed.md

WHAT IT DOES

What PostgreSQL_list_foreign_tables_detailed does on Postgres

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

RISK

Why PostgreSQL_list_foreign_tables_detailed is rated Low

This tool retrieves metadata about foreign tables (tables linked to external PostgreSQL servers via postgres_fdw or similar foreign data wrappers) and their associated server configurations.

From the tool's definition Tool name contains 'list' and description states 'Get detailed information about foreign tables and their servers' — a retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs PostgreSQL_list_foreign_tables_detailed safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Postgres, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For PostgreSQL_list_foreign_tables_detailed, this is the rule to start with:

PostgreSQL_list_foreign_tables_detailed Allowed

PostgreSQL_list_foreign_tables_detailed is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "PostgreSQL_list_foreign_tables_detailed": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Postgres, apply this rule, and every PostgreSQL_list_foreign_tables_detailed call is checked against it from then on.

FAQ

Questions about PostgreSQL_list_foreign_tables_detailed

What does the PostgreSQL_list_foreign_tables_detailed tool do? +

Get detailed information about foreign tables and their servers. 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 PostgreSQL_list_foreign_tables_detailed? +

Register the Postgres MCP server in PolicyLayer and add a rule for PostgreSQL_list_foreign_tables_detailed: 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 PostgreSQL_list_foreign_tables_detailed? +

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

Can I rate-limit PostgreSQL_list_foreign_tables_detailed? +

Yes. Add a rate_limit block to the PostgreSQL_list_foreign_tables_detailed 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 PostgreSQL_list_foreign_tables_detailed completely? +

Set action: deny in the PolicyLayer policy for PostgreSQL_list_foreign_tables_detailed. 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 PostgreSQL_list_foreign_tables_detailed? +

PostgreSQL_list_foreign_tables_detailed is provided by the Postgres MCP server (mukul975/postgres-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

What PostgreSQL_list_foreign_tables_detailed does on Postgres

Why PostgreSQL_list_foreign_tables_detailed is rated Low

The rule that runs PostgreSQL_list_foreign_tables_detailed safely

Questions about PostgreSQL_list_foreign_tables_detailed

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