diff --git a/types/markdownlint/index.d.ts b/types/markdownlint/index.d.ts
new file mode 100644
index 0000000000..5e66f15185
--- /dev/null
+++ b/types/markdownlint/index.d.ts
@@ -0,0 +1,49 @@
+// Type definitions for markdownlint 0.6
+// Project: https://github.com/DavidAnson/markdownlint
+// Definitions by: ark120202 <https://github.com/ark120202>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare function markdownlint(
+    options: markdownlint.MarkdownlintOptions,
+    callback: (err: Error | null, result: markdownlint.MarkdownlintResults) => any,
+): void;
+
+declare namespace markdownlint {
+    function sync(options: MarkdownlintOptions): MarkdownlintResults;
+
+    function readConfig(
+        file: string,
+        callback: (err: Error | null, result: MarkdownlintConfig) => any,
+    ): void;
+    function readConfigSync(file: string): MarkdownlintConfig;
+
+    interface MarkdownlintConfig {
+        [rule: string]: boolean | { [key: string]: any };
+    }
+
+    interface MarkdownlintOptions {
+        files?: ReadonlyArray<string> | string;
+        strings?: { [identifier: string]: string };
+        config?: MarkdownlintConfig;
+        frontMatter?: RegExp;
+        noInlineConfig?: boolean;
+        resultVersion?: number;
+    }
+
+    interface MarkdownlintResult {
+        lineNumber: number;
+        ruleName: string;
+        ruleAlias: string;
+        ruleDescription: string;
+        errorDetail?: string;
+        errorContext: string;
+        errorRange?: [number, number];
+    }
+
+    interface MarkdownlintResults {
+        [source: string]: MarkdownlintResult[] | ((useAlias?: boolean) => string);
+        toString(useAlias?: boolean): string;
+    }
+}
+
+export = markdownlint;
diff --git a/types/markdownlint/markdownlint-tests.ts b/types/markdownlint/markdownlint-tests.ts
new file mode 100644
index 0000000000..faca81872d
--- /dev/null
+++ b/types/markdownlint/markdownlint-tests.ts
@@ -0,0 +1,38 @@
+import * as markdownlint from 'markdownlint';
+
+const config: markdownlint.MarkdownlintConfig = {
+    default: true,
+    MD003: { style: 'atx_closed' },
+    MD007: { indent: 4 },
+    'no-hard-tabs': false,
+    whitespace: false,
+};
+
+const options: markdownlint.MarkdownlintOptions = {
+    files: ['README.md'],
+    strings: { 'file.md': 'Header' },
+    config,
+    noInlineConfig: false,
+    resultVersion: 1,
+};
+
+// $ExpectType MarkdownlintResults
+const results = markdownlint.sync(options);
+
+markdownlint(options, (err, results) => {
+    // $ExpectType Error | null
+    err;
+
+    // $ExpectType MarkdownlintResults
+    results;
+
+    const resultString: string = results.toString();
+    // $ExpectError
+    results.toString() as markdownlint.MarkdownlintResult[];
+
+    const fileErrors: markdownlint.MarkdownlintResult[] = results[
+        'file.md'
+    ] as markdownlint.MarkdownlintResult[];
+    const firstFileError: markdownlint.MarkdownlintResult = fileErrors[0];
+    const firstFileErrorRule: string = firstFileError.ruleName;
+});
diff --git a/types/markdownlint/tsconfig.json b/types/markdownlint/tsconfig.json
new file mode 100644
index 0000000000..53b9ae46aa
--- /dev/null
+++ b/types/markdownlint/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "markdownlint-tests.ts"
+    ]
+}
diff --git a/types/markdownlint/tslint.json b/types/markdownlint/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/markdownlint/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }