diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 00000000..381378f1
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1 @@
+Saiichi Hashimoto (http://saiichihashimoto.com/)
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 00000000..f127ec30
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Saiichi Hashimoto
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package.json b/package.json
index 9949d185..a0a48542 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,20 @@
 {
   "name": "eslint-config-saiichihashimoto",
   "version": "0.0.0-development",
+  "keywords": [
+    "check",
+    "code",
+    "eslint",
+    "eslint-config",
+    "eslintconfig",
+    "fix",
+    "format",
+    "javascript",
+    "lint",
+    "optimize",
+    "quality",
+    "validate"
+  ],
   "homepage": "https://github.com/saiichihashimoto/eslint-config-saiichihashimoto#readme",
   "bugs": {
     "url": "https://github.com/saiichihashimoto/eslint-config-saiichihashimoto/issues"
@@ -9,6 +23,7 @@
     "type": "git",
     "url": "git+https://github.com/saiichihashimoto/eslint-config-saiichihashimoto.git"
   },
+  "license": "MIT",
   "main": ".eslintrc.js",
   "scripts": {
     "test": "run-s test:*",