diff --git a/.github/scripts/run-quality-checks.sh b/.github/scripts/run-quality-checks.sh
new file mode 100755
index 0000000..6d96607
--- /dev/null
+++ b/.github/scripts/run-quality-checks.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+set -e
+
+get_changed_ts_files() {
+    local base_ref="$1"
+    local head_ref="$2"
+    
+    if [ -n "$base_ref" ] && [ -n "$head_ref" ]; then
+        git diff --name-only "$base_ref" "$head_ref" | grep '\.ts$' || true
+    else
+        git diff --name-only HEAD~1 HEAD | grep '\.ts$' || true
+    fi
+}
+
+run_quality_checks() {
+    local event_type="$1"
+    local changed_files_raw
+    
+    if [ "$event_type" == "pull_request" ]; then
+        changed_files_raw=$(get_changed_ts_files "$PR_BASE_SHA" "$PR_HEAD_SHA")
+        local context_message="changed files in the PR"
+    else
+        changed_files_raw=$(get_changed_ts_files)
+        local context_message="files changed in current commit"
+    fi
+    
+    if [ -n "$changed_files_raw" ]; then
+        # Convert to array
+        readarray -t changed_files <<< "$changed_files_raw"
+        
+        echo "Running quality checks on $context_message: ${changed_files[*]}"
+        npm run quality -- "${changed_files[@]}"
+    else
+        echo "No TypeScript files changed, skipping quality checks"
+    fi
+}
+
+run_quality_checks "$GITHUB_EVENT_NAME"
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 37919f4..df705c5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,8 @@ jobs:
     
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
     
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
@@ -25,8 +27,12 @@ jobs:
     - name: Install dependencies
       run: npm ci
     
-    - name: Run linter
-      run: npm run lint
+    - name: Run quality checks on changed files
+      env:
+        GITHUB_EVENT_NAME: ${{ github.event_name }}
+        PR_BASE_SHA: ${{ github.event.pull_request.base.sha }}
+        PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+      run: ./.github/scripts/run-quality-checks.sh
     
     - name: Run tests
       run: npm test
diff --git a/src/test-ci-quality.ts b/src/test-ci-quality.ts
new file mode 100644
index 0000000..59c4c72
--- /dev/null
+++ b/src/test-ci-quality.ts
@@ -0,0 +1,47 @@
+/**
+ * Test file to verify CI quality checks work correctly
+ * This file intentionally contains quality issues to test the workflow
+ */
+
+export class TestCIQuality {
+    // TODO: This is a comment that should trigger quality checks
+    // FIXME: Another comment that might be flagged
+    
+    /**
+     * This method has too many parameters to test quality checks
+     * @param param1 First parameter
+     * @param param2 Second parameter  
+     * @param param3 Third parameter
+     * @param param4 Fourth parameter
+     * @param param5 Fifth parameter - this should trigger "too many parameters" warning
+     */
+    testMethodWithManyParameters(
+        param1: string,
+        param2: number,
+        param3: boolean,
+        param4: object,
+        param5: string[]
+    ): void {
+        // This method intentionally has many parameters to trigger quality checks
+        console.log('Testing CI quality workflow with parameters:', 
+            param1, param2, param3, param4, param5);
+        
+        // Adding some complexity to potentially trigger complexity warnings
+        if (param3) {
+            if (param2 > 10) {
+                if (param1.length > 5) {
+                    if (param4) {
+                        if (param5.length > 0) {
+                            console.log('Nested conditions to increase complexity');
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    // A method that uses external data heavily (feature envy)
+    processExternalData(data: { value: number; name: string; active: boolean }): string {
+        return `${data.name}: ${data.value} (${data.active ? 'active' : 'inactive'})`;
+    }
+}
\ No newline at end of file