"jsDoc": {
        "checkParamNames": true,
        "checkRedundantParams": true,
        "requireParamTypes": true,
        "checkReturnTypes": true,
        "requireReturnTypes": true,
        "checkTypes": true,
        "checkRedundantReturns": true,
        "checkRedundantAccess": true,
        "leadingUnderscoreAccess": "private"
    }

/**
 * Test
 *
 * @param {String} mystr
 * @return {String}
 */
exports.testStr = function(mystr) {
    'use strict';
    return mystr;
};

↳ jscs server/lib/test.js
redundant param statement at server/lib/test.js :
     1 |/**
--------^
     2 | * Test
     3 | *

missing param name at server/lib/test.js :
     3 | *
     4 | * @param {String} mystr
     5 | * @return {String}
-----------^
     6 | */
     7 |exports.testStr = function(mystr) {


2 code style errors found.