diff --git a/.github/config.yml b/.github/config.yml
index 82f5c54..b27bc69 100644
--- a/.github/config.yml
+++ b/.github/config.yml
@@ -1,3 +1,7 @@
+# Copyright 2020 Wayback Archiver. All rights reserved.
+# Use of this source code is governed by the MIT license
+# that can be found in the LICENSE file.
+
 # Configuration for welcome - https://github.com/behaviorbot/welcome
 
 # Configuration for new-issue-welcome - https://github.com/behaviorbot/new-issue-welcome
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 677bc27..e5633c9 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,3 +1,7 @@
+# Copyright 2020 Wayback Archiver. All rights reserved.
+# Use of this source code is governed by the MIT license
+# that can be found in the LICENSE file.
+
 # To get started with Dependabot version updates, you'll need to specify which
 # package ecosystems to update and where the package manifests are located.
 # Please see the documentation for all configuration options:
diff --git a/.github/linters/.golangci.yml b/.github/linters/.golangci.yml
index f53ce38..6afc608 100644
--- a/.github/linters/.golangci.yml
+++ b/.github/linters/.golangci.yml
@@ -1,3 +1,7 @@
+# Copyright 2020 Wayback Archiver. All rights reserved.
+# Use of this source code is governed by the MIT license
+# that can be found in the LICENSE file.
+
 ---
 #########################
 #########################
diff --git a/.github/linters/.hadolint.yaml b/.github/linters/.hadolint.yaml
index b408c6b..f201b0d 100644
--- a/.github/linters/.hadolint.yaml
+++ b/.github/linters/.hadolint.yaml
@@ -1,3 +1,7 @@
+# Copyright 2020 Wayback Archiver. All rights reserved.
+# Use of this source code is governed by the MIT license
+# that can be found in the LICENSE file.
+
 ---
 ##########################
 ## Hadolint config file ##
diff --git a/.github/linters/.markdown-lint.yml b/.github/linters/.markdown-lint.yml
index 37004c4..6a3b9d4 100644
--- a/.github/linters/.markdown-lint.yml
+++ b/.github/linters/.markdown-lint.yml
@@ -1,7 +1,7 @@
 # Copyright 2020 Wayback Archiver. All rights reserved.
-# Use of this source code is governed by the GNU GPL v3
-# license that can be found in the LICENSE file.
-#
+# Use of this source code is governed by the MIT license
+# that can be found in the LICENSE file.
+
 ---
 ###########################
 ###########################
diff --git a/.github/workflows/reusable-license.yml b/.github/workflows/reusable-license.yml
new file mode 100644
index 0000000..b1e00a1
--- /dev/null
+++ b/.github/workflows/reusable-license.yml
@@ -0,0 +1,82 @@
+# Copyright 2020 Wayback Archiver. All rights reserved.
+# Use of this source code is governed by the MIT license
+# that can be found in the LICENSE file.
+
+name: License
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - '**'
+    types: [ opened, synchronize, reopened ]
+  workflow_call:
+
+permissions:
+  contents: read
+
+jobs:
+  header:
+    runs-on: ubuntu-latest
+    name: Check License Headers
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@2e205a28d0e1da00c5f53b161f4067b052c61f34 # v1.5.0
+        with:
+          egress-policy: block
+          disable-telemetry: true
+          allowed-endpoints: >
+            github.com:443
+            api.github.com:443
+
+      - name: Check out code base
+        if: github.event_name == 'push'
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Check out code base
+        if: github.event_name == 'pull_request'
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Check License Header
+        uses: apache/skywalking-eyes/header@438e4ea5682269933ea2c8b5608662e52af26959 # v0.4.0
+
+  dependency:
+    runs-on: ubuntu-latest
+    name: "Check Dependencies' License"
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@2e205a28d0e1da00c5f53b161f4067b052c61f34 # v1.5.0
+        with:
+          egress-policy: block
+          disable-telemetry: true
+          allowed-endpoints: >
+            github.com:443
+            api.github.com:443
+
+      - name: Check out code base
+        if: github.event_name == 'push'
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Check out code base
+        if: github.event_name == 'pull_request'
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: "Check Dependencies' License"
+        uses: apache/skywalking-eyes/dependency@438e4ea5682269933ea2c8b5608662e52af26959 # v0.4.0
+
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 61ca991..da7438e 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -1,3 +1,7 @@
+# Copyright 2020 Wayback Archiver. All rights reserved.
+# Use of this source code is governed by the MIT license
+# that can be found in the LICENSE file.
+
 name: ReviewDog
 
 on:
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
deleted file mode 100644
index 5553d1e..0000000
--- a/.github/workflows/stale.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: Stale
-
-on:
-  schedule:
-    - cron: "0 3 * * 6"
-
-jobs:
-  stale:
-    name: Stale
-    runs-on: ubuntu-latest
-    steps:
-      - name: Mark stale issues and pull requests
-        uses: actions/stale@v3
-        with:
-          repo-token: ${{ github.token }}
-          stale-issue-message: "This issue is stale because it has been open 120 days with no activity. Remove stale label or comment or this will be closed in 5 days"
-          stale-pr-message: 'It has been open 120 days with no activity. Remove stale label or comment or this will be closed in 5 days'
-          days-before-stale: 120
-          days-before-close: 5
diff --git a/.licenserc.yaml b/.licenserc.yaml
new file mode 100644
index 0000000..8b7c02d
--- /dev/null
+++ b/.licenserc.yaml
@@ -0,0 +1,23 @@
+# Copyright 2020 Wayback Archiver. All rights reserved.
+# Use of this source code is governed by the MIT license
+# that can be found in the LICENSE file.
+
+header:
+  license:
+    spdx-id: MIT
+    copyright-owner: Wayback Archiver
+    content: |
+      Copyright 2020 Wayback Archiver. All rights reserved.
+      Use of this source code is governed by the MIT license
+      that can be found in the LICENSE file.
+
+  paths-ignore:
+    - '.github/ISSUE_TEMPLATE'
+    - '.github/PULL_REQUEST_TEMPLATE'
+    - '.gitattributes'
+    - '.semgrepignore'
+    - '**/*.md'
+    - 'LICENSE'
+    - 'CODEOWNERS'
+
+  comment: on-failure