diff --git a/.gitignore b/.gitignore
index 0c2e082..1184144 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 slack_nicks.yaml
+dictionary.dic
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..f67d08c
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,35 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.6.0
+    hooks:
+      - id: trailing-whitespace
+        args:
+          - --markdown-linebreak-ext=md
+      - id: end-of-file-fixer
+      - id: check-added-large-files
+  - repo: https://github.com/adrienverge/yamllint
+    rev: v1.35.1
+    hooks:
+      - id: yamllint
+        args: [--strict]
+  - repo: https://github.com/schuellerf/pre-commit-pyspelling
+    rev: 0.1.0
+    hooks:
+      - id: pyspelling
+        args: ["--config", ".spellcheck.yml"]
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: 'v1.11.1'
+    hooks:
+      - id: mypy
+        additional_dependencies: ["types-PyYAML", "types-requests"]
+  - repo: https://github.com/hhatto/autopep8
+    rev: v2.3.0
+    hooks:
+      - id: autopep8
+  - repo: https://github.com/pycqa/pylint
+    rev: v3.2.6
+    hooks:
+      - id: pylint
+        additional_dependencies: ["pyyaml", "cryptography", "docopt", "requests", "ghapi", "slack-sdk"]
diff --git a/.pylintrc b/.pylintrc
new file mode 100644
index 0000000..7615b86
--- /dev/null
+++ b/.pylintrc
@@ -0,0 +1,2 @@
+[FORMAT]
+max-line-length=120
diff --git a/.spellcheck-en-custom.txt b/.spellcheck-en-custom.txt
new file mode 100644
index 0000000..eb9237c
--- /dev/null
+++ b/.spellcheck-en-custom.txt
@@ -0,0 +1 @@
+decrypted
diff --git a/.spellcheck.yml b/.spellcheck.yml
new file mode 100644
index 0000000..96679f0
--- /dev/null
+++ b/.spellcheck.yml
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: Apache-2.0
+
+matrix:
+  - name: markdown
+    aspell:
+      lang: en
+      d: en_US
+      camel-case: true
+      mode: markdown
+    sources:
+      - "**/*.md|!venv*/**"
+    dictionary:
+      wordlists:
+        - .spellcheck-en-custom.txt
+    pipeline:
+      - pyspelling.filters.context:
+          context_visible_first: true
+          escapes: '\\[\\`~]'
+          delimiters:
+            # Ignore multiline content between fences (fences can have 3 or more back ticks)
+            # ```language
+            # content
+            # ```
+            - open: '^(?P<open> *`{3,}).*$'
+              close: '^(?P=open)$'
+            # Ignore text between inline back ticks
+            - open: '(?P<open>`+)'
+              close: '(?P=open)'
diff --git a/.yamllint b/.yamllint
new file mode 100644
index 0000000..3f1bbe3
--- /dev/null
+++ b/.yamllint
@@ -0,0 +1,7 @@
+---
+extends: default
+
+rules:
+  document-start: disable
+  line-length:
+    max: 120