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irsyadjpp

postgres-mcp-server

by irsyadjpp

transaction_monitor

Monitor active PostgreSQL transactions, view isolation levels, and identify long-running transactions to detect performance issues.

Instructions

Monitor active transactions, isolation levels, and detect long-running transactions

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
database_nameNo
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden for behavioral disclosure. It mentions monitoring and detection but does not state whether it is read-only, what data it returns, whether it requires special permissions, or if it provides a snapshot versus continuous monitoring. This is a significant transparency gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no fluff. It efficiently conveys the core action without unnecessary words, making it highly concise and well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the lack of output schema and annotations, the description should compensate by explaining expected results and parameter usage. It does neither, leaving the agent uncertain about what the tool returns and how database_name influences the outcome. This is incomplete for even a simple tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The single parameter database_name is not mentioned in the description, and the schema provides only validation constraints (pattern, maxLength). With 0% schema description coverage, the description was expected to explain how the parameter affects behavior (e.g., filtering by database, default when omitted), but it does not.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool monitors active transactions, isolation levels, and detects long-running transactions. This distinguishes it from sibling tools like get_slow_queries (queries) and deadlock_analysis (deadlocks), making the purpose specific and unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies use for transaction health monitoring but provides no explicit guidance on when to use this tool versus alternatives like get_connections or deadlock_analysis. It lacks 'use this when...' or 'instead of...' statements, so usage context is only implied.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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