{"command":{"effect":"read","timeoutSeconds":15,"inputSchema":{"type":"object","properties":{"schema":{"type":"string","pattern":"^[_A-Za-z][_A-Za-z0-9]{0,62}$","maxLength":63},"table":{"type":"string","pattern":"^[_A-Za-z][_A-Za-z0-9]{0,62}$","maxLength":63}},"required":["schema","table"],"additionalProperties":false},"name":"List table columns","id":"postgresql.columns.list","example":{"schema":"public","table":"items"},"maxRequests":1,"summary":false}}