PostgreSQL_analyze_table_freeze_stats
Analyze XID freeze stats to detect tables nearing transaction wraparound risks.
This record as markdown: /tools/mukul975-postgres-mcp-server/postgresql-analyze-table-freeze-stats.md
What PostgreSQL_analyze_table_freeze_stats does on Postgres
AI agents call PostgreSQL_analyze_table_freeze_stats 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.
Why PostgreSQL_analyze_table_freeze_stats is rated Low
This tool retrieves and analyzes internal PostgreSQL statistics (XID freeze statistics) to identify potential transaction wraparound risks. It is a read-only diagnostic operation that queries system metadata to provide insights into database health. There are no side effects, no data modifications, and no code execution.
From the tool's definition Tool name includes 'analyze' and description states it 'Analyze[s] XID freeze stats to detect tables' — pure diagnostic/monitoring activity with no data modification, deletion, or execution of arbitrary operations.
Attacks that exploit this kind of access
The rule that runs PostgreSQL_analyze_table_freeze_stats 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_analyze_table_freeze_stats, this is the rule to start with:
PostgreSQL_analyze_table_freeze_stats 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 Postgres, apply this rule, and every PostgreSQL_analyze_table_freeze_stats call is checked against it from then on.
Questions about PostgreSQL_analyze_table_freeze_stats
Analyze XID freeze stats to detect tables nearing transaction wraparound risks. It is categorised as a Read tool in the Postgres MCP Server, which means it retrieves data without modifying state.
Register the Postgres MCP server in PolicyLayer and add a rule for PostgreSQL_analyze_table_freeze_stats: 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.
PostgreSQL_analyze_table_freeze_stats 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 PostgreSQL_analyze_table_freeze_stats 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 PostgreSQL_analyze_table_freeze_stats. 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.
PostgreSQL_analyze_table_freeze_stats 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.
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