PostgreSQL_long_running_prepared_transactions
List prepared transactions sorted by duration with detailed analysis.
This record as markdown: /tools/mukul975-postgres-mcp-server/postgresql-long-running-prepared-transactions.md
What PostgreSQL_long_running_prepared_transactions does on Postgres
AI agents call PostgreSQL_long_running_prepared_transactions 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_long_running_prepared_transactions is rated Low
This tool reads and reports metadata about long-running prepared transactions in PostgreSQL. It performs introspection and monitoring without modifying database state, executing arbitrary commands, or triggering side effects. The 'detailed analysis' output is derived from examining existing transaction state, not from executing statements or altering data.
From the tool's definition The tool description states it 'List[s] prepared transactions sorted by duration with detailed analysis' — this is a query/retrieval operation with no data modification, deletion, or execution of external code.
Attacks that exploit this kind of access
The rule that runs PostgreSQL_long_running_prepared_transactions 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_long_running_prepared_transactions, this is the rule to start with:
PostgreSQL_long_running_prepared_transactions 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_long_running_prepared_transactions call is checked against it from then on.
Questions about PostgreSQL_long_running_prepared_transactions
List prepared transactions sorted by duration with detailed analysis. 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_long_running_prepared_transactions: 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_long_running_prepared_transactions 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_long_running_prepared_transactions 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_long_running_prepared_transactions. 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_long_running_prepared_transactions 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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