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SQLite MCP Server

SQLite MCP Server

by stevefordev
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

get_schema_summary

Retrieve a complete summary of a SQLite database schema, listing all tables and their column definitions.

Instructions

Get a comprehensive summary of the entire database schema, including all tables and their column definitions.

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": {
      "db_path": "<db_path>"
    },
    "name": "get_schema_summary"
  }
}

Input Schema

NameRequiredDescriptionDefault
db_pathYes

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.7

TDQS

B3.1/5.0
Behavior2/5

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

No annotations provided; description states it returns schema summary but omits behavioral details like potential performance impact or necessary permissions for read operation.

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

Conciseness4/5

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

Single sentence that directly states the tool's function, but could be more structured by separating parameter info.

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?

Output schema exists, so return values are covered; however, lack of parameter guidance and usage context leaves gaps for a one-parameter tool.

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 provides no explanation of the required 'db_path' parameter (format, examples, or where to obtain it).

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?

Clearly states verb 'Get' and resource 'comprehensive summary of the entire database schema', distinguishing it from siblings like describe_table (single table) and list_tables (table names).

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?

Implies usage when a full schema overview is needed, but no explicit when-to-use or when-not-to-use compared to alternatives like describe_table.

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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