diff --git a/.github/labeler.yml b/.github/labeler.yml
new file mode 100644
index 00000000..ece4d588
--- /dev/null
+++ b/.github/labeler.yml
@@ -0,0 +1,15 @@
+documentation:
+  - changed-files:
+      - any-glob-to-any-file: "docs/**"
+
+feature:
+  - head-branch: ["^feature/"]
+
+fix:
+  - head-branch: ["^fix/"]
+
+hotfix:
+  - head-branch: ["^hotfix/"]
+
+release:
+  - head-branch: ["^release/"]
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
new file mode 100644
index 00000000..7e12a66f
--- /dev/null
+++ b/.github/workflows/labeler.yml
@@ -0,0 +1,16 @@
+name: Pull Request Labeler
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  labeler:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      pull-requests: write
+
+    steps:
+      - uses: actions/labeler@v6
diff --git a/CLAUDE.md b/CLAUDE.md
index 7d45416e..7d0d4eb9 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -235,6 +235,7 @@ GitHub Actions workflows in `.github/workflows/`:
 - **docker.yml**: Validate Docker build
 - **devcontainer.yml**: Validate Dev Container configuration
 - **format.yml**: Check Ruff formatting
+- **labeler.yml**: Add label in GitHub
 - **lint.yml**: Run Pyright + Ruff linting
 - **test.yml**: Run pytest with coverage
 - **gh-deploy.yml**: Deploy documentation to GitHub Pages
diff --git a/README.md b/README.md
index e81462ae..06146b6a 100644
--- a/README.md
+++ b/README.md
@@ -342,6 +342,7 @@ Automated workflows ensure code quality and consistency. All workflows run on pu
 | `docker.yml` | Validate Docker build | Docker |
 | `devcontainer.yml` | Validate Dev Container configuration | devcontainer CLI |
 | `format.yml` | Check code formatting | Ruff |
+| `labeler.yml` | Add label in GitHub | GitHub |
 | `lint.yml` | Run static analysis | Pyright, Ruff |
 | `test.yml` | Run test suite with coverage | pytest, coverage |
 | `gh-deploy.yml` | Deploy documentation to GitHub Pages | MkDocs |