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Alibaba Cloud RDS OpenAPI MCP Server

Alibaba Cloud RDS OpenAPI MCP Server

Official
by aliyun
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Remote

show_create_table

Read-only

Retrieve the CREATE TABLE statement for a specified table in an Alibaba Cloud RDS database instance.

Instructions

show create table db_name.table_name
Args:
    dbinstance_id (str): The ID of the RDS instance.
    region_id(str): the region id of instance.
    db_name(str): the db name for table.
    table_name(str): the table name.
Returns:
    the sql result.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "region_id": "<region_id>",
      "dbinstance_id": "<dbinstance_id>",
      "db_name": "<db_name>",
      "table_name": "<table_name>"
    },
    "name": "show_create_table"
  }
}

Input Schema

NameRequiredDescriptionDefault
db_nameYes
region_idYes
table_nameYes
dbinstance_idYes

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

B3.2/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true. The description adds that it returns SQL results, which is consistent. However, no behavioral details are given about error handling or permissions beyond the parameter list.

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?

The description is short but structured as a docstring with parameter list and return. However, the opening line 'show create table db_name.table_name' may be misinterpreted as usage syntax rather than a purpose statement. Could be more front-loaded.

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?

Despite an output schema existing, the description provides only basic parameter descriptions and no context on typical usage or integration with sibling tools. The tool has 4 required parameters and needs more complete guidance.

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

Parameters3/5

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

Schema description coverage is 0%, so the description must compensate. It provides brief explanations for each parameter (e.g., 'the ID of the RDS instance'). While minimal, these add meaning beyond the parameter names.

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 shows the CREATE TABLE statement for a given table. The verb 'show' and resource 'create table' are specific, and the purpose is distinct from sibling tools like explain_sql or show_largest_table.

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 is provided on when to use this tool versus alternatives like explain_sql or query_sql. The description simply lists parameters without context for selecting the tool.

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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