PostgreSQL_get_replication_stats
Get replication slot and standby server statistics.
This record as markdown: /tools/mukul975-postgres-mcp-server/postgresql-get-replication-stats.md
What PostgreSQL_get_replication_stats does on Postgres
AI agents call PostgreSQL_get_replication_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_get_replication_stats is rated Low
This tool retrieves replication statistics for monitoring and diagnostics purposes. It queries existing data about replication slots and standby server states without creating, modifying, deleting, or executing any operations. This is a classic Read operation with no side effects or blast radius if misused by an AI agent—it returns informational data only.
From the tool's definition Tool name and description indicate a retrieval operation: 'Get replication slot and standby server statistics.' The verb 'Get' and the object 'statistics' clearly indicate querying/reading existing monitoring data with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs PostgreSQL_get_replication_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_get_replication_stats, this is the rule to start with:
PostgreSQL_get_replication_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_get_replication_stats call is checked against it from then on.
Questions about PostgreSQL_get_replication_stats
Get replication slot and standby server statistics. 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_get_replication_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_get_replication_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_get_replication_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_get_replication_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_get_replication_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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