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sevoniva

OceanBase MCP

by sevoniva

Get Query Session

ob_get_query_session

Retrieve a read-only query session context for database inspection, hiding stored parameter values to maintain security.

Instructions

Return a read-only query session context without exposing stored parameter values.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
profileNo
sessionIdYes
Behavior3/5

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

Despite no annotations, the description transparently states it is read-only and hides parameter values, providing some behavioral context beyond a bare minimum. However, it omits error handling and side effects.

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 sentence of 11 words, concise and front-loaded with the key action. No redundant information.

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?

With no output schema and minimal description, an agent lacks context on what the returned 'query session context' contains or how to handle responses. More detail is needed for effective use.

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

Parameters1/5

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

Schema description coverage is 0% and the description does not explain parameters (profile, sessionId). It adds no value beyond the schema, leaving the agent without semantics for using them.

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 it returns a read-only query session context without exposing parameter values, specifying verb and resource. It distinguishes from siblings like ob_start_query_session and ob_close_query_session.

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

Usage Guidelines2/5

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

No guidance on when to use this tool vs alternatives like ob_start_query_session, ob_query, etc. The description only states what it does, not when.

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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