mcp-postgres 1.2.0

[
  {
    "name": "list_tables",
    "description": "List all tables in the database",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "batch_insert",
    "description": "High-performance batch insert",
    "inputSchema": {
      "type": "object",
      "properties": {
        "table": { "type": "string" },
        "columns": { "type": "array", "items": { "type": "string" } },
        "rows": { "type": "array", "items": { "type": "array" } },
        "returning": { "type": "string", "description": "Optional column to return (e.g. 'id')" }
      },
      "required": ["table", "columns", "rows"]
    }
  },
  {
    "name": "execute_query",
    "description": "Execute SELECT query",
    "inputSchema": {
      "type": "object",
      "properties": { "sql": { "type": "string" } },
      "required": ["sql"]
    }
  },
  {
    "name": "execute_insert",
    "description": "Execute INSERT query",
    "inputSchema": {
      "type": "object",
      "properties": { "sql": { "type": "string" } },
      "required": ["sql"]
    }
  },
  {
    "name": "execute_update",
    "description": "Execute UPDATE query",
    "inputSchema": {
      "type": "object",
      "properties": { "sql": { "type": "string" } },
      "required": ["sql"]
    }
  },
  {
    "name": "execute_delete",
    "description": "Execute DELETE query",
    "inputSchema": {
      "type": "object",
      "properties": { "sql": { "type": "string" } },
      "required": ["sql"]
    }
  },
  {
    "name": "explain_query",
    "description": "Explain a SELECT query with optional ANALYZE, BUFFERS, and format options",
    "inputSchema": {
      "type": "object",
      "properties": {
        "sql": { "type": "string", "description": "SELECT query to explain" },
        "analyze": { "type": "boolean", "description": "Execute and show actual timings (default: false)" },
        "buffers": { "type": "boolean", "description": "Include buffer usage (default: false)" },
        "format": { "type": "string", "enum": ["json", "text", "xml", "yaml"], "description": "Output format (default: json)" }
      },
      "required": ["sql"]
    }
  },
  {
    "name": "analyze_db_health",
    "description": "Comprehensive database health check: buffer cache, connections, indexes, vacuum, and performance",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "list_unused_indexes",
    "description": "List indexes with zero scans that may be unused",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "list_duplicate_indexes",
    "description": "List potential duplicate or overlapping indexes",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "show_vacuum_progress",
    "description": "Show progress of currently running VACUUM operations",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "get_object_details",
    "description": "Get detailed info about a table: columns, constraints, indexes, foreign keys, size estimates",
    "inputSchema": {
      "type": "object",
      "properties": {
        "table": { "type": "string", "description": "Table name" },
        "schema": { "type": "string", "description": "Schema name (default: public)" }
      },
      "required": ["table"]
    }
  },
  {
    "name": "batch_insert_copy",
    "description": "Auto-batched massive insert using COPY protocol",
    "inputSchema": {
      "type": "object",
      "properties": {
        "table": { "type": "string" },
        "columns": { "type": "array", "items": { "type": "string" } },
        "rows": { "type": "array", "items": { "type": "array" } },
        "batch_size": { "type": "integer", "description": "Rows per batch (default: 1000)" }
      },
      "required": ["table", "columns", "rows"]
    }
  },
  {
    "name": "list_database_privileges",
    "description": "List database-level access privileges",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "list_users",
    "description": "List all database users",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "list_role_memberships",
    "description": "List role memberships",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "list_indexes",
    "description": "List all indexes",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "list_schemas",
    "description": "List all schemas",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "show_constraints",
    "description": "Show table constraints",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "describe_table",
    "description": "Describe table structure",
    "inputSchema": {
      "type": "object",
      "properties": { "table": { "type": "string" } },
      "required": ["table"]
    }
  },
  {
    "name": "get_cache_hit_ratio",
    "description": "Get buffer cache hit ratio",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "get_pg_stat_statements",
    "description": "Get top queries by total time from pg_stat_statements",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "get_setting",
    "description": "Get a specific PostgreSQL setting value",
    "inputSchema": {
      "type": "object",
      "properties": { "setting": { "type": "string" } },
      "required": ["setting"]
    }
  },
  {
    "name": "show_current_user",
    "description": "Show current user, database, and PostgreSQL version",
    "inputSchema": { "type": "object", "properties": {} }
  },
  {
    "name": "show_session_info",
    "description": "Show current session connection info",
    "inputSchema": { "type": "object", "properties": {} }
  }
]