diff --git a/.eslintrc.json b/.eslintrc.json
index 9a904598f..833eaa5cf 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -9,6 +9,6 @@
   "rules": {
     "comma-dangle": [2, "always-multiline"],
     "no-unused-vars": [2, { "vars": "all", "args": "none" }],
-    "no-console": "off""
+    "no-console": "off"
   }
 }
diff --git a/gulp-tasks.js b/gulp-tasks.js
new file mode 100644
index 000000000..a14108b15
--- /dev/null
+++ b/gulp-tasks.js
@@ -0,0 +1,165 @@
+/**
+ * @license
+ * Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+
+'use strict';
+
+const fs = require('fs-extra');
+const gulp = require('gulp');
+const mocha = require('gulp-mocha');
+const tslint_lib = require('gulp-tslint');
+const typescript = require('gulp-typescript');
+const typings = require('gulp-typings');
+const mergeStream = require('merge-stream');
+const path = require('path');
+const runSequence = require('run-sequence');
+
+function task(name, deps, impl) {
+  if (gulp.hasTask(name)) {
+    throw new Error(
+        `A task with the name ${JSON.stringify(name)} already exists!`);
+  }
+  gulp.task(name, deps, impl);
+}
+
+module.exports.init = function() {
+  task('init', () => gulp.src('./typings.json').pipe(typings()));
+}
+
+module.exports.depcheck = function depcheck(options) {
+  const depcheck_lib = require('depcheck');
+  const defaultOptions = {stickyDeps: new Set()};
+  options = Object.assign({}, defaultOptions, options);
+
+  task('depcheck', () => {
+    return new Promise((resolve, reject) => {
+      // Note that process.cwd() in a gulp task is the directory of the
+      // running gulpfile. See e.g. https://github.com/gulpjs/gulp/issues/523
+      depcheck_lib(process.cwd(), {ignoreDirs: []}, resolve);
+    }).then((result) => {
+      const invalidFiles = Object.keys(result.invalidFiles) || [];
+      const invalidJsFiles = invalidFiles.filter((f) => f.endsWith('.js'));
+
+      if (invalidJsFiles.length > 0) {
+        console.log('Invalid files:', result.invalidFiles);
+        throw new Error('Invalid files');
+      }
+
+      const unused = new Set(result.dependencies);
+      for (const falseUnused of options.stickyDeps) {
+        unused.delete(falseUnused);
+      }
+      if (unused.size > 0) {
+        console.log('Unused dependencies:', unused);
+        throw new Error('Unused dependencies');
+      }
+    });
+  });
+}
+
+module.exports.lint = function(options) {
+  module.exports.tslint(options);
+  module.exports.eslint(options);
+  module.exports.depcheck(options);
+  task('lint', ['tslint', 'eslint', 'depcheck']);
+}
+
+function getJsonConfig(filename) {
+  var placesToLook = [
+    process.cwd(),
+    __dirname,
+  ];
+  for (const directory of placesToLook) {
+    try {
+      return JSON.parse(
+          fs.readFileSync(path.join(directory, filename), 'utf-8'));
+    } catch (error) { /* don't care */ }
+  }
+  throw new Error('Could not find a .eslintrc.json. This should never happen.');
+}
+
+module.exports.tslint = function(options) {
+  const defaultOptions = {tsSrcs: gulp.src('src/**/*.ts')};
+  options = Object.assign({}, defaultOptions, options);
+  const tslintConfig = getJsonConfig('tslint.json');
+  task('tslint', () =>
+      options.tsSrcs
+        .pipe(tslint_lib({
+          configuration: tslintConfig,
+        }))
+        .pipe(tslint_lib.report('verbose')));
+}
+
+module.exports.eslint = function(options) {
+  const eslint_lib = require('gulp-eslint');
+  const defaultOptions = {jsSrcs: gulp.src(['test/**/*.js', 'gulpfile.js'])};
+  options = Object.assign({}, defaultOptions, options);
+  const eslintConfig = getJsonConfig('.eslintrc.json');
+  task('eslint', () =>
+      options.jsSrcs
+        .pipe(eslint_lib(eslintConfig))
+        .pipe(eslint_lib.format())
+        .pipe(eslint_lib.failAfterError()));
+}
+
+module.exports.build = function(options) {
+  const defaultOptions = {
+    tsSrcs: gulp.src('src/**/*.ts'),
+    dataSrcs: gulp.src(['src/**/*', '!src/**/*.ts']),
+  };
+  options = Object.assign({}, defaultOptions, options);
+
+  const tsProject = typescript.createProject('tsconfig.json');
+
+  task('build', () =>
+    mergeStream(
+      options.tsSrcs.pipe(typescript(tsProject)),
+      options.dataSrcs
+    ).pipe(gulp.dest('lib'))
+  );
+}
+
+module.exports.clean = function(options) {
+  const defaultOptions = {buildArtifacts: ['lib/', 'typings/']};
+  options = Object.assign({}, defaultOptions, options);
+
+  task('clean', () => {
+    for (const buildArtifact of options.buildArtifacts) {
+      fs.removeSync(path.join(process.cwd(), buildArtifact));
+    }
+  });
+}
+
+
+module.exports.buildAll = function(options) {
+  module.exports.clean(options);
+  module.exports.init(options);
+  module.exports.lint(options);
+  module.exports.build(options);
+
+  task('build-all', (done) => {
+    runSequence('clean', 'init', 'lint', 'build', done);
+  });
+}
+
+module.exports.test = function(options) {
+  module.exports.buildAll(options);
+
+  task('test', ['build'], () =>
+    gulp.src('test/**/*_test.js', {read: false})
+        .pipe(mocha({
+          ui: 'tdd',
+          reporter: 'spec',
+        }))
+  );
+}
+
+module.exports.generateCompleteTaskgraph = function(options) {
+  module.exports.test(options);
+}
diff --git a/gulpfile.js b/gulpfile.js
index 5e289b344..1854a2787 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -10,134 +10,20 @@
 
 'use strict';
 
-const depcheck_lib = require('depcheck');
-const eslint_lib = require('gulp-eslint');
-const fs = require('fs-extra');
 const gulp = require('gulp');
-const mergeStream = require('merge-stream');
-const mocha = require('gulp-mocha');
-const path = require('path');
-const runSeq = require('run-sequence');
-const tslint_lib = require("gulp-tslint");
-const typescript = require('gulp-typescript');
-const typings = require('gulp-typings');
-
-function task(name, deps, impl) {
-  if (gulp.hasTask(name)) {
-    throw new Error(
-        `A task with the name ${JSON.stringify(name)} already exists!`);
-  }
-  gulp.task(name, deps, impl);
-}
-
-module.exports.init = function() {
-  task('init', () => gulp.src("./typings.json").pipe(typings()));
-}
-
-module.exports.depcheck = function depcheck(options) {
-  const defaultOptions = {stickyDeps: new Set()};
-  options = Object.assign({}, defaultOptions, options);
-
-  task('depcheck', () => {
-    return new Promise((resolve, reject) => {
-      depcheck_lib(__dirname, {ignoreDirs: []}, resolve);
-    }).then((result) => {
-      const invalidFiles = Object.keys(result.invalidFiles) || [];
-      const invalidJsFiles = invalidFiles.filter((f) => f.endsWith('.js'));
-
-      if (invalidJsFiles.length > 0) {
-        console.log('Invalid files:', result.invalidFiles);
-        throw new Error('Invalid files');
-      }
-
-      const unused = new Set(result.dependencies);
-      for (const falseUnused of options.stickyDeps) {
-        unused.delete(falseUnused);
-      }
-      if (unused.size > 0) {
-        console.log('Unused dependencies:', unused);
-        throw new Error('Unused dependencies');
-      }
-    });
-  });
-}
-
-module.exports.lint = function(options) {
-  module.exports.tslint(options);
-  module.exports.eslint_lib(options);
-  module.exports.depcheck(options);
-  task('lint', ['tslint', 'eslint', 'depcheck']);
-}
-
-module.exports.tslint = function(options) {
-  const defaultOptions = {tsSrcs: gulp.src('src/**/*.ts')};
-  options = Object.assign({}, defaultOptions, options);
-  task('tslint', () =>
-      options.tsSrcs
-        .pipe(tslint_lib({
-          configuration: 'tslint.json',
-        }))
-        .pipe(tslint_lib.report('verbose')));
-}
-
-module.exports.eslint = function(options) {
-  const defaultOptions = {jsSrcs: gulp.src('test/**/*.js')};
-  options = Object.assign({}, defaultOptions, options);
-  task('eslint', () =>
-      options.jsSrcs
-        .pipe(eslint())
-        .pipe(eslint.format())
-        .pipe(eslint.failAfterError()));
-}
-
-module.exports.build = function(options) {
-  const defaultOptions = {
-    tsSrcs: gulp.src('src/**/*.ts'),
-    dataSrcs: gulp.src(['src/**/*', '!src/**/*.ts'])
-  };
-  options = Object.assign({}, defaultOptions, options);
-
-  const tsProject = typescript.createProject('tsconfig.json');
-
-  task('build', () =>
-    mergeStream(
-      options.tsSrcs.pipe(typescript(tsProject)),
-      options.dataSrcs
-    ).pipe(gulp.dest('lib'))
-  );
-}
-
-module.exports.clean = function(options) {
-  const defaultOptions = {buildArtifacts: ['lib']};
-  options = Object.assign({}, defaultOptions, options);
-
-  task('clean', () => {
-    for (const buildArtifact of options.buildArtifacts) {
-      fs.removeSync(path.join(__dirname, buildArtifact));
-    }
-  });
-}
-
-
-module.exports.buildAll = function(options) {
-  module.exports.clean(options);
-  module.exports.init(options);
-  module.exports.lint(options);
-  module.exports.build(options);
-
-  task('build-all', (done) => {
-    runSeq('clean', 'init', 'lint', 'build', done);
-  });
-}
-
-module.exports.test = function(options) {
-  module.exports.buildAll(options);
-
-  task('test', ['build'], () =>
-    gulp.src('test/**/*_test.js', {read: false})
-        .pipe(mocha({
-          ui: 'tdd',
-          reporter: 'spec',
-        }))
-  );
-}
+const toolsCommon = require('./gulp-tasks');
+// Use this instead when you copy-paste this file into other repos:
+// const toolsCommon = require('tools-common/gulp-tasks');
+
+toolsCommon.generateCompleteTaskgraph({
+  // What will get deleted when gulp clean is run
+  buildArtifacts: ['lib/', 'typings/'],
+
+  // Dependencies that we assert are actually used, even if they look unused.
+  stickyDeps: new Set([/* sticky deps here */]),
+
+  // Typescript sources here
+  tsSrcs: gulp.src('src/**/*.ts'),
+  // Files to copy to lib/
+  dataSrcs: gulp.src(['src/**/*', '!src/**/*.ts']),
+});
diff --git a/package.json b/package.json
index b08a5bf4e..5ec2783eb 100644
--- a/package.json
+++ b/package.json
@@ -1,4 +1,7 @@
 {
+  "name": "tools-common",
+  "repository": "https://github.com/Polymer/tools-common",
+  "version": "1.0.0",
   "engines": {
     "node": ">=4.0"
   },
@@ -11,21 +14,21 @@
   },
   "author": "The Polymer Project Authors",
   "license": "BSD-3-Clause",
-  "devDependencies": {
-    "chai": "^3.5.0",
+  "dependencies": {
     "depcheck": "^0.6.3",
     "fs-extra": "^0.30.0",
     "gulp-eslint": "^2.0.0",
     "gulp-mocha": "^2.2.0",
     "gulp-tslint": "^5.0.0",
     "gulp-typescript": "^2.13.4",
-    "gulp-typings": "^1.3.6",
+    "gulp-typings": "^2.0.0",
     "run-sequence": "^1.2.0",
-    "sinon": "^1.17.4",
-    "temp": "^0.8.3",
-    "tslint": "^3.10.2",
-    "vinyl-fs-fake": "^1.1.0",
-    "yeoman-assert": "^2.2.1",
-    "yeoman-test": "^1.1.0"
+    "tslint": "^3.10.2"
+  },
+  "peerDependencies": {
+    "gulp": "^3.9.1"
+  },
+  "devDependencies": {
+    "gulp": "^3.9.1"
   }
 }