diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 240759f..093f071 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -20,7 +20,7 @@ jobs:
           version: "latest"
 
       - name: Install Python dependencies
-        run: pip install black flake8 pylint
+        run: pip install black flake8
 
       - name: Run linters
         uses: wearerequired/lint-action@v2
@@ -31,4 +31,4 @@ jobs:
 
       - name: Analysing the code with pylint
         run: |
-          uv run pylint $(git ls-files '*.py')
+          uv run pylint --output-format=text ./**/*.py
diff --git a/README.md b/README.md
index d63c4c1..97633d3 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 # Visualize the HadCRUT5 temperature datasets
 
+![Release Status](https://img.shields.io/badge/status-stable-brightgreen.svg)
+![Pylint](images/pylint.svg)
+[![License](https://img.shields.io/badge/License-GPL--3.0-blue.svg)](https://spdx.org/licenses/GPL-3.0-only.html)
+[![GitHub stars](https://img.shields.io/github/stars/madrisan/HadCRUT5.svg?style=social)](https://github.com/madrisan/HadCRUT5/stargazers)
+
 > HadCRUT5 is a gridded dataset of global historical surface temperature anomalies relative to a 1961-1990 reference period.
 > Data are available for each month from January 1850 onwards, on a 5 degree grid and as global and regional average time series.
 > The dataset is a collaborative product of the Met Office Hadley Centre and the Climatic Research Unit at the University of East Anglia.
diff --git a/images/pylint.svg b/images/pylint.svg
new file mode 100644
index 0000000..0ae6fc8
--- /dev/null
+++ b/images/pylint.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="80" height="20">
+    <linearGradient id="b" x2="0" y2="100%">
+        <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
+        <stop offset="1" stop-opacity=".1"/>
+    </linearGradient>
+    <mask id="anybadge_1">
+        <rect width="80" height="20" rx="3" fill="#fff"/>
+    </mask>
+    <g mask="url(#anybadge_1)">
+        <path fill="#555" d="M0 0h44v20H0z"/>
+        <path fill="#4c1" d="M44 0h36v20H44z"/>
+        <path fill="url(#b)" d="M0 0h80v20H0z"/>
+    </g>
+    <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
+        <text x="23.0" y="15" fill="#010101" fill-opacity=".3">pylint</text>
+        <text x="22.0" y="14">pylint</text>
+    </g>
+    <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
+        <text x="63.0" y="15" fill="#010101" fill-opacity=".3">10.0</text>
+        <text x="62.0" y="14">10.0</text>
+    </g>
+</svg>
diff --git a/pylint.sh b/pylint.sh
new file mode 100755
index 0000000..84fa46d
--- /dev/null
+++ b/pylint.sh
@@ -0,0 +1,16 @@
+uv run pylint \
+   --verbose \
+   --output-format=text ./**/*.py \
+| tee pylint-log.txt
+
+score="$(
+   sed -n "/^Your code has been rated at/{s,.* at \([0-9\.]*\)\/.*,\1,p}" \
+      pylint-log.txt)"
+
+uv run anybadge \
+   --file="images/pylint.svg" \
+   --label "pylint" \
+   --overwrite \
+   --value "$score"
+
+rm -f pylint-log.txt
diff --git a/pyproject.toml b/pyproject.toml
index 631971f..50169d8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ dependencies = [
 
 [dependency-groups]
 dev = [
+    "anybadge>=1.14.0",
     "black>=24.10.0",
     "mypy>=1.14.0",
     "pylint>=3.3.2",
diff --git a/uv.lock b/uv.lock
index 3c00b54..a9e9eb8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,6 +1,18 @@
 version = 1
 requires-python = ">=3.12"
 
+[[package]]
+name = "anybadge"
+version = "1.14.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "packaging" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/a3/f2/9f55245d6f456b661b38650767410f3b51d66a8530f0e0a43909bd475165/anybadge-1.14.0.tar.gz", hash = "sha256:47f06e0a6320d3e5eac55c712dc0bab71b9ed85353c591d448653c5a0740783f", size = 29606 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/f7/44/71df611ee7e19c852caa829bac653662dafec909dbe3e1b99b5ad419cefc/anybadge-1.14.0-py3-none-any.whl", hash = "sha256:8711a7f7f45317c62a460f14084f005ba665cbebdf2a94e7df53bc3ab35df4c9", size = 27258 },
+]
+
 [[package]]
 name = "astroid"
 version = "3.3.6"
@@ -485,6 +497,7 @@ dependencies = [
 
 [package.dev-dependencies]
 dev = [
+    { name = "anybadge" },
     { name = "black" },
     { name = "mypy" },
     { name = "pylint" },
@@ -501,6 +514,7 @@ requires-dist = [
 
 [package.metadata.requires-dev]
 dev = [
+    { name = "anybadge", specifier = ">=1.14.0" },
     { name = "black", specifier = ">=24.10.0" },
     { name = "mypy", specifier = ">=1.14.0" },
     { name = "pylint", specifier = ">=3.3.2" },