diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..c76cc4c
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Adam Stankiewicz <sheerun@sher.pl> (sheerun.net)
+
+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/README.md b/README.md
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/README.md
diff --git a/gqldoc.js b/gqldoc.js
new file mode 100755
index 0000000..f527d45
--- /dev/null
+++ b/gqldoc.js
@@ -0,0 +1,218 @@
+#!/usr/bin/env node
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Yoshimune Saito
+ *
+ * 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.
+ * */
+
+/**
+ * @param {node} a
+ * @param {node} b
+ */
+function order(a, b){
+    if (a.name && a.name.value &&
+	b.name && b.name.value ){
+	return a.name.value > b.name.value;
+    }else{
+	return a.kind > b.kind;
+    }
+}
+
+
+/**
+ * @param {description} node
+ */
+function showFieldDef(node){
+    let retval = "";
+    let type;
+    let name;
+    let desc = "unset";
+
+    if (node.description && 
+	node.description.kind &&
+	(node.description.kind == 'StringValue')){
+	desc =  node.description.value;    
+    }
+
+    if (node.name && node.name.value){
+	name = node.name.value;
+    }
+
+    if (node.type && node.type.name && node.type.name.value){
+	type = node.type.name.value;
+    }
+
+    if (type && name){
+	retval += "            <td>" + name + "</td><td>" + type + "</td><td>" + desc + "</td>\n";
+    }else{
+	retval += "Gyaaaaaa!" + name + " type:" + type + "\n";
+    }
+
+    return retval;
+}
+
+
+/**
+ * @param {ObjectTypeDefinition} node
+ */
+function showTypeDef(node){
+    let retval = "";
+    if (!node || !node.kind || (node.kind!='ObjectTypeDefinition')){
+	return retval;
+    }
+
+    if (node.name && node.name.value){
+	retval += "        <h3>" + node.name.value + "</h3>\n";
+    }
+
+    if (node.description && node.description.value){
+	retval += "        <p>" + node.description.value + "</p>\n";
+    }
+    
+    retval += "        <table>\n";
+
+    if (node.fields){
+	retval += "        <thead>\n";
+	retval += "          <tr><th>Name</th><th>type</th><th>description</th></tr>\n";
+	
+	retval += "        </thead>\n";
+	retval += "        <tbody>\n";
+	for (let x of node.fields){
+	    if (x.kind && (x.kind = 'FieldDefinition')){
+		retval += "          <tr>\n";
+		retval += showFieldDef(x) + "\n";
+		retval += "          </tr>\n";
+	    }
+	}
+	retval += "        </tbody>\n";
+	retval += "      </table>\n";
+    }
+
+    return retval;
+}
+
+
+/**
+ * @param {FragmentDefinition} node
+ */
+function showFragDef(node){
+    let retval = "";
+
+    if (!node.selectionSet || !node.selectionSet.selections ||
+	!node.name || !node.name.value){
+	return "";
+    }
+
+    retval += "        <h3>" + node.name.value + "</h3>\n";
+    retval += "        <ul>\n";
+    for (let v of node.selectionSet.selections){
+	if (v.name && v.name.value){
+	    retval += "          <li>" + v.name.value + "</li>\n";
+	}
+    }
+    retval += "        </ul>\n";
+
+    return retval;
+}
+
+
+/**
+ * @param {OperationDefinition} node
+ */
+function showOpDef(node){
+    let = "";
+
+    if (!node || !node.kind || (node.kind!='OperationDefinition')){
+	return "";
+    }
+
+    if (node.name && node.name.value){
+	retval += "<h3>" + node.name.value + "</h3>\n";
+    }
+
+    // TODO
+    retval += "TODO\n"
+    retval += node;
+
+    return retval;
+}
+
+/**
+ * @param {Document} node
+ */
+function showDocument(node){
+    let retval = '';
+    let ary;
+    if (node && node.kind && node.definitions && (node.kind = 'Document')){
+	// Type
+	retval += "      <h2>Type</h2>\n";
+	ary = node.definitions.filter(v => v.kind && v.kind=='ObjectTypeDefinition');
+	if (ary.length){
+	    for (let v of ary.sort(order)){
+		retval += showTypeDef(v);
+	    }
+	}else{
+	    retval += "      <p>未定義</p>\n";
+	}
+	retval += "\n";
+
+	// Operation
+	retval += "      <h2>Operation</h2>\n";
+	ary = node.definitions.filter(v => v.kind && v.kind=='OperationDefinition');
+	if (ary.length){
+	    for (let v of ary.sort(order)){
+		// TODO
+		retval += showFragDef(v);
+	    }
+	}else{
+	    retval += "      <p>未定義</p>\n";
+	}
+	retval += "\n";
+
+	// Fragment
+	retval += "      <h2>Fragment</h2>\n";
+	ary = node.definitions.filter(v => v.kind && v.kind=='FragmentDefinition');
+	if (ary.length){
+	    for (let v of ary.sort(order)){
+		retval += showFragDef(v);
+	    }
+	}else{
+	    retval += "      <p>未定義</p>\n";
+	}
+	retval += "\n";
+	    
+	retval += "      <h2>Others</h2>\n";
+	for (let x of node.definitions.filter(v => ["ObjectTypeDefinition",
+						    "FragmentDefinition",
+						    "OperationDefinition"].indexOf(v.kind)==-1)
+		 .sort((a,b) => (a.kind > b.kind))){
+	    retval += x + "\n";
+	    retval += "<hr>\n";
+	}
+    }
+
+    return retval;
+}
+
+if (typeof exports != 'undefined'){
+    exports.showDocument = showDocument;
+}
+
diff --git a/main.js b/main.js
new file mode 100755
index 0000000..0bd0606
--- /dev/null
+++ b/main.js
@@ -0,0 +1,91 @@
+#!/usr/bin/env node
+
+
+let fetch = require('isomorphic-fetch');
+let path = require('path');
+let meow = require('meow');
+let fs = require('fs');
+let GraphQL = require('graphql');
+let gqldoc = require('./gqldoc');
+let ejs = require('ejs');
+let strip = require('strip-bom');
+
+let graphql = GraphQL.graphql;
+let parse = GraphQL.parse;
+
+/*  */
+function terminate () {
+    console.error(cli.help);
+    process.exit(1);
+}
+
+/*  */
+let cli = meow(`
+    Options:
+      -g --graphql    use graphql schema language as input
+      -v --verbose    print introspection result
+      -a --auth       set Authorization header for graphql server
+      -t --title      HTML title
+
+    Usage:
+      $ gqldoc [param] 
+
+    Examples:
+      $ gqldoc path/to/schema.gql -g
+`, {
+    flags: {
+	verbose: {
+	    type: 'boolean',
+	    alias: 'v'
+	},
+	graphql: {
+	    type: 'boolean',
+	    alias: 'g'
+	},
+	auth: {
+	    type: 'string',
+	    alias: 'a'
+	},
+	title: {
+	    type: 'string',
+	    alias: 't'
+	}
+    }
+});
+
+
+if (cli.flags.graphql && cli.input[0]){
+    fs.readFile("./temp/index.ejs", "utf-8", function(err, temp){
+	fs.readFile(cli.input[0], "utf-8", function(err, x){
+	    let str = gqldoc.showDocument(parse(x));
+	    console.log(ejs.render(temp, {
+		title:"Schema:" + path.basename(cli.input[0]),
+		main: str
+	    }));
+	})
+    });
+}else if (cli.input[0] && cli.input[0].slice(0, 4) === 'http'){
+    let headers = {
+	'Accept': 'application/json',
+	'Content-Type': 'application/json'
+    };
+    if (cli.flags.auth) {
+	headers.Authorization = cli.flags.auth;
+    }
+
+    p = fetch(cli.input[0], {
+	method: 'POST',
+	headers: headers,
+	body: JSON.stringify({"query":fs.readFileSync('./query.gql', 'utf-8')})
+    }).then(function (res) {
+	if (!res.ok && cli.flags.verbose) {
+            console.log('Request for schema failed w/ ' + res.status + ' (' + res.statusText + ')');
+	}
+	return res.text();
+    }).then(function(text){
+	// TODO
+	console.log(text);
+    });
+}else{
+    terminate();
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..32c4cd1
--- /dev/null
+++ b/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "gqldoc",
+  "version": "0.1.0",
+  "description": "GraphQLのスキーマ情報からドキュメントを作成",
+  "main": "main.js",
+  "dependencies": {
+    "ejs": "^2.6.1",
+    "fs": "0.0.1-security",
+    "graphql": "^14.0.2",
+    "isomorphic-fetch": "^2.2.1",
+    "meow": "^5.0.0"
+  },
+  "devDependencies": {},
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/yhornisse/gqldoc.git"
+  },
+  "keywords": [
+    "graphql",
+    "javascript"
+  ],
+  "author": "Yoshimune Saito",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/yhornisse/gqldoc/issues"
+  },
+  "homepage": "https://github.com/yhornisse/gqldoc#readme"
+}
diff --git a/query.gql b/query.gql
new file mode 100644
index 0000000..9669a76
--- /dev/null
+++ b/query.gql
@@ -0,0 +1,91 @@
+query IntrospectionQuery {
+    __schema {
+        queryType { name }
+        mutationType { name }
+        subscriptionType { name }
+        types {
+            ...FullType
+        }
+        directives {
+            name
+            description
+            locations
+            args {
+		...InputValue
+            }
+        }
+    }
+}
+
+fragment FullType on __Type {
+    kind
+    name
+    description
+    fields(includeDeprecated: true) {
+        name
+        description
+        args {
+            ...InputValue
+        }
+        type {
+            ...TypeRef
+        }
+        isDeprecated
+        deprecationReason
+    }
+    inputFields {
+        ...InputValue
+    }
+    interfaces {
+        ...TypeRef
+    }
+    enumValues(includeDeprecated: true) {
+        name
+        description
+        isDeprecated
+        deprecationReason
+    }
+    possibleTypes {
+        ...TypeRef
+    }
+}
+
+fragment InputValue on __InputValue {
+    name
+    description
+    type { ...TypeRef }
+    defaultValue
+}
+
+fragment TypeRef on __Type {
+    kind
+    name
+    ofType {
+        kind
+        name
+        ofType {
+            kind
+            name
+            ofType {
+		kind
+		name
+		ofType {
+		    kind
+		    name
+		    ofType {
+			kind
+			name
+			ofType {
+			    kind
+			    name
+			    ofType {
+				kind
+				name
+			    }
+			}
+		    }
+		}
+            }
+        }
+    }
+}
diff --git a/temp/index.ejs b/temp/index.ejs
new file mode 100644
index 0000000..808b5e4
--- /dev/null
+++ b/temp/index.ejs
@@ -0,0 +1,10 @@
+<!doctype html>
+<html>
+  <head>
+    <title><%= title %></title>
+  </head>
+  <body>
+    <h1><%= title %></h1>
+    <%- main %>
+  </body>
+</html>