diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..6d81b54
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,80 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+env:
+  # Used to differentiate from other slices of the cache for other workflow runs, and to forcefully bust the cache when renamed
+  CACHE_KEY_BASE: ci@v1
+
+jobs:
+  setup:
+    name: Setup
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+
+      - name: Set up Deno
+        uses: denoland/setup-deno@v2
+        with:
+          deno-version: 2.x
+          cache-hash: ${{ env.CACHE_KEY_BASE }}-${{ hashFiles('deno.lock') }}
+
+      - name: Install dependencies
+        run: deno install
+
+  test:
+    name: Test
+    needs: [setup]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+
+      # Now the Deno cache should be warmed up, so this should be much faster
+      - name: Set up Deno
+        uses: denoland/setup-deno@v2
+        with:
+          deno-version: 2.x
+          cache-hash: ${{ env.CACHE_KEY_BASE }}-${{ hashFiles('deno.lock') }}
+
+      - name: Test
+        run: deno test --allow-read --no-prompt
+
+  lint:
+    name: Lint
+    needs: [setup]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+
+      # Now the Deno cache should be warmed up, so this should be much faster
+      - name: Set up Deno
+        uses: denoland/setup-deno@v2
+        with:
+          deno-version: 2.x
+          cache-hash: ${{ env.CACHE_KEY_BASE }}-${{ hashFiles('deno.lock') }}
+
+      - name: Lint
+        run: deno run --allow-env --allow-run --no-prompt npm:@biomejs/biome ci
+
+  check:
+    name: Check
+    needs: [setup]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+
+      # Now the Deno cache should be warmed up, so this should be much faster
+      - name: Set up Deno
+        uses: denoland/setup-deno@v2
+        with:
+          deno-version: 2.x
+          cache-hash: ${{ env.CACHE_KEY_BASE }}-${{ hashFiles('deno.lock') }}
+
+      - name: Lint
+        run: deno check
diff --git a/deno.lock b/deno.lock
index 025bcef..a563605 100644
--- a/deno.lock
+++ b/deno.lock
@@ -16,6 +16,7 @@
     "jsr:@std/path@^1.1.1": "1.1.2",
     "jsr:@std/path@^1.1.2": "1.1.2",
     "jsr:@std/testing@*": "1.0.16",
+    "npm:@biomejs/biome@*": "2.2.6",
     "npm:@biomejs/biome@2.2.6": "2.2.6",
     "npm:@types/node@*": "24.2.0",
     "npm:chevrotain@^11.0.3": "11.0.3"