SQL MCP Server

get_columns

Retrieve a list of columns from a specified table in SQL databases (Postgres, MySQL, SQLite). Input includes database type, connection string, and table name for precise results.

Instructions

Get list of column in a table

Input Schema

Name	Required	Description	Default
`connection_string`	Yes
`db_type`	Yes
`table_name`	Yes

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "connection_string": {
      "type": "string"
    },
    "db_type": {
      "enum": [
        "postgres",
        "mysql",
        "sqlite"
      ],
      "type": "string"
    },
    "table_name": {
      "type": "string"
    }
  },
  "required": [
    "db_type",
    "connection_string",
    "table_name"
  ],
  "type": "object"
}

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