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MySQL Database Access

MySQL Database Access

by dpflucas
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

list_tables

Retrieve a list of all tables in a MySQL database. Optionally specify a database name; uses default if omitted.

Instructions

List all tables in a specified database

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "list_tables"
  }
}

Input Schema

NameRequiredDescriptionDefault
databaseNoDatabase name (optional, uses default if not specified)

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv0.1.3

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations provided, the description carries the full burden of disclosing behavior. It only states the basic function but does not elaborate on side effects, read-only nature, error handling (e.g., what if the database doesn't exist), or the meaning of 'default' database. This lack of detail limits transparency.

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 with no redundant information. It is concise and to the point, using no filler words.

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

Completeness3/5

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

Given the tool's simplicity (one optional parameter, no output schema), the description is minimally adequate. However, it misses details like what 'default' database refers to or whether the tool requires any privileges. It does not fully prepare the agent for all usage scenarios.

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?

Schema description coverage is 100% for the single parameter 'database', which already explains its optionality and default behavior. The description adds no additional semantic value beyond restating 'in a specified database', which is already implicit from the schema.

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?

The description 'List all tables in a specified database' clearly identifies the action (list) and resource (tables), distinguishing it from sibling tools like list_databases (lists databases) and describe_table (describes a single table). However, the word 'specified' implies the database parameter is required, while the schema marks it as optional, causing minor ambiguity.

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?

The description provides no guidance on when to use this tool versus alternatives such as describe_table or execute_query. There is no mention of prerequisites, limitations, or explicit when-to-use/when-not-to-use instructions, leaving the agent to infer appropriate usage.

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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