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sevoniva

OceanBase MCP

by sevoniva

Get Table Context

ob_get_table_context

Retrieve read-only table context for SQL drafting and data inspection: schema, sample data, related tables, and query templates.

Instructions

Return the common read-only table context needed for SQL drafting and data inspection.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
tableYes
schemaNo
profileNo
sampleLimitNo
includeSampleNo
includeRelatedNo
includeTemplatesNo
relationshipLimitNo
maxTemplateColumnsNo
Behavior2/5

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

No annotations exist, so description must fully disclose behavior. It only says 'read-only' but does not mention potential performance impacts from parameters like includeSample, includeRelated, or auth requirements. Overall minimal transparency.

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

Conciseness3/5

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

Single sentence is concise but lacks detailed structure. It is front-loaded with the verb and resource, but content-wise it is under-specified for such a complex tool.

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

Completeness1/5

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

With 9 parameters, no output schema, no annotations, and many sibling tools, the description fails to provide enough context for correct usage. The term 'table context' is undefined.

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% with 9 parameters. Description adds no information about any parameter's purpose, leaving the agent to guess what each parameter does.

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

Purpose4/5

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

Description states 'return the common read-only table context needed for SQL drafting and data inspection', which is a specific verb+resource. However, it does not differentiate from siblings like ob_describe_table or ob_get_table_schema, leaving ambiguity about what 'context' includes.

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?

Description mentions use for SQL drafting and data inspection but provides no guidance on when to use this tool versus alternatives, nor any exclusion criteria.

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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