diff --git a/.github/committed.toml b/.github/committed.toml
new file mode 100644
index 0000000..ae10d05
--- /dev/null
+++ b/.github/committed.toml
@@ -0,0 +1,20 @@
+# https://github.com/crate-ci/committed/blob/master/docs/reference.md
+style = "conventional"
+subject_capitalized = false
+allowed_types = [
+    "fix",
+    "feat",
+    "build",
+    "chore",
+    "docs",
+    "style",
+    "refactor",
+    "remove",
+    "deprecate",
+    "security",
+    "add",
+    "perf",
+    "test",
+]
+subject_length = 0 # unlimited
+line_length = 0 # unlimited
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 9ad2bd6..96c863f 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -13,8 +13,10 @@ jobs:
   run-pre-commit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 #v5
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 #v5
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         id: python-setup
         with:
           python-version: '3.x'
@@ -22,8 +24,51 @@ jobs:
         if: inputs.commands
         run: ${{ inputs.commands }}
       - name: Cache pre-commit environments
-        uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 #v4
+        uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
         with:
           path: '~/.cache/pre-commit'
           key: pre-commit-${{ steps.python-setup.outputs.python-version }}-${{ hashFiles('.pre-commit-config.yaml') }}
       - run: pipx run pre-commit run --show-diff-on-failure --color=always --all-files
+
+  check-pr-title:
+    name: Check PR title
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    # The calling workflow must grant these permissions.
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout ${{ github.repository }} repo
+        # needed for cspell.config.yml (project-specific)
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+          repository: ${{ github.repository }}
+          ref: ${{ github.sha }}
+          path: project-repo
+      - name: Checkout cpp-linter/.github (org) repo
+        # needed for committed.toml config (org-specific)
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+          repository: cpp-linter/.github
+          path: org-repo
+      - run: rustup update --no-self-update
+      - name: Install cargo-binstall
+        uses: cargo-bins/cargo-binstall@2bb61346d075e720d4c3da92f23b6d612d5a7543 # v1.15.3
+      - name: Install committed
+        run: cargo binstall -y committed
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+      - name: conventional-commit
+        run: >-
+          echo "${{ github.event.pull_request.title }}"
+          | committed --config ${{ github.workspace }}/org-repo/.github/committed.toml --commit-file -
+      - uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        with:
+          node-version: latest
+      - name: spell check
+        working-directory: project-repo
+        run: >-
+          echo "${{ github.event.pull_request.title }}"
+          | npx cspell-cli lint stdin
diff --git a/.github/workflows/snyk-container.yml b/.github/workflows/snyk-container.yml
index c93fa87..27f4987 100644
--- a/.github/workflows/snyk-container.yml
+++ b/.github/workflows/snyk-container.yml
@@ -14,7 +14,7 @@ jobs:
       env:
         # In order to use the Snyk Action you will need to have a Snyk API token.
         # More details in https://github.com/snyk/actions#getting-your-snyk-token
-        # or you can signup for free at https://snyk.io/login
+        # or you can sign up for free at https://snyk.io/login
         SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
       with:
         image: xianpengshen/clang-tools:all
diff --git a/cspell.config.yml b/cspell.config.yml
new file mode 100644
index 0000000..1c32ea5
--- /dev/null
+++ b/cspell.config.yml
@@ -0,0 +1,25 @@
+version: "0.2"
+language: en
+words:
+  - Abril
+  - autobuild
+  - autolabeler
+  - binstall
+  - Fatface
+  - htmlcov
+  - mkdocs
+  - peaceiris
+  - pipx
+  - pypi
+  - rustup
+  - sarif
+  - setuptools
+  - testpypi
+  - venv
+  - xianpengshen
+ignorePaths:
+  - .env/**
+  - .venv/**
+  - env/**
+  - venv/**
+  - .gitignore
diff --git a/profile/README.md b/profile/README.md
index 5554172..3944ff2 100644
--- a/profile/README.md
+++ b/profile/README.md
@@ -1,3 +1,5 @@
+<!-- markdownlint-disable MD036 MD041 MD033 -->
+
 <p align="center">
     <img src="/assets/readme-banner-small.png" width="512" height="141" alt="cpp-linter_brand_logo" />
 </p>
@@ -6,7 +8,6 @@
 
 ## Cpp Linter
 
-<!-- markdownlint-disable MD036 -->
 **Automated linting for your C/C++ code**
 
 ### Get Started