diff --git a/add-to-project-action/action.yml b/add-to-project-action/action.yml
index ead0c99..420c728 100644
--- a/add-to-project-action/action.yml
+++ b/add-to-project-action/action.yml
@@ -12,4 +12,4 @@ inputs:
     required: true
 runs:
   using: 'node20'
-  main: '../lib/add-to-project-action.js'
\ No newline at end of file
+  main: '../lib/add-to-project-action.js'
diff --git a/add-zenhub-release-action/README.md b/add-zenhub-release-action/README.md
index 89ced7b..0b473e6 100644
--- a/add-zenhub-release-action/README.md
+++ b/add-zenhub-release-action/README.md
@@ -21,7 +21,7 @@ Add an issue to Zenhub release. If the release doesn't exist, it would be create
 **Required** The Zenhub release name to be added/created.
 
 ## Example usage
-
+```
 steps:
   - name: Get Repo Object
     uses: octokit/request-action@v2.x
@@ -36,4 +36,5 @@ steps:
       zenhub_token: ${{ secrets.ZENHUB_TOKEN }}
       repo_id: ${{ fromJSON(steps.repo.outputs.data).id }}
       issue_number: ${{ github.event.issue.number }}
-      release_name: 1.4.0
\ No newline at end of file
+      release_name: 1.4.0
+```
diff --git a/add-zenhub-release-action/action.yml b/add-zenhub-release-action/action.yml
index baf8afd..d3e1144 100644
--- a/add-zenhub-release-action/action.yml
+++ b/add-zenhub-release-action/action.yml
@@ -11,4 +11,4 @@ inputs:
     required: true
 runs:
   using: 'node16'
-  main: '../lib/add-zenhub-release-action.js'
\ No newline at end of file
+  main: '../lib/add-zenhub-release-action.js'
diff --git a/filter-org-members-action/README.md b/filter-org-members-action/README.md
index 24d7827..d6c2a7f 100644
--- a/filter-org-members-action/README.md
+++ b/filter-org-members-action/README.md
@@ -18,6 +18,7 @@ Get list of users belong to a specific organization from an input user list.
 
 ## Example usage
 
+```
 steps:
   - name: Get Longhorn Members
     uses: longhorn/bot/filter-org-members-action@master
@@ -26,3 +27,4 @@ steps:
       token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
       organization: longhorn
       usernames: ${{ github.event.issue.assignees.*.login }}
+```
diff --git a/filter-org-members-action/action.yml b/filter-org-members-action/action.yml
index df6ff76..5d374be 100644
--- a/filter-org-members-action/action.yml
+++ b/filter-org-members-action/action.yml
@@ -9,4 +9,4 @@ inputs:
     required: true
 runs:
   using: 'node20'
-  main: '../lib/filter-org-members-action.js'
\ No newline at end of file
+  main: '../lib/filter-org-members-action.js'
diff --git a/qase-sync-action/README.md b/qase-sync-action/README.md
new file mode 100644
index 0000000..2cb5fe1
--- /dev/null
+++ b/qase-sync-action/README.md
@@ -0,0 +1,24 @@
+# Qase Sync composite action
+
+Sync manual test cases between github and qase.
+
+## Inputs
+
+## `project-code`
+
+**Required** Code of project, where to sync test cases.
+
+## `token`
+
+**Required** Qase API token.
+
+## Example usage
+
+```
+steps:
+  - name: Qase Sync
+    uses: longhorn/bot/qase-sync-action@master
+    with:
+      project-code: ${{ secrets.PROJECT_CODE }}
+      token: ${{ secrets.QASE_TOKEN }}
+```
diff --git a/qase-sync-action/action.yml b/qase-sync-action/action.yml
new file mode 100644
index 0000000..58d361d
--- /dev/null
+++ b/qase-sync-action/action.yml
@@ -0,0 +1,175 @@
+name: 'Qase Sync'
+description: 'Sync manual test cases between github and qase'
+inputs:
+  project-code:
+    description: 'Code of project, where to sync test cases.'
+    required: true
+  token:
+    description: 'Qase API token'
+    required: true
+runs:
+  using: 'composite'
+  steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 3
+
+    - name: Fetch changed files
+      shell: bash
+      run: |
+        files=($(git diff --name-only HEAD HEAD^))
+        echo ${files[@]}
+        echo "files=${files[@]}" >> $GITHUB_ENV
+
+    - name: Filter changed test cases
+      shell: bash
+      env:
+        files: ${{ env.files }}
+      run: |
+        test_cases=()
+        files=(${files})
+        for file in "${files[@]}"; do
+          if [[ "${file}" == *"/manual/"* ]] && [[ "${file}" != *"_index"* ]]; then
+            test_case=$(echo "${file#*manual/}")
+            test_cases+=("${test_case}")
+          fi
+        done
+        echo "collected test cases: ${test_cases[@]}"
+        echo "test_cases=${test_cases[@]}" >> $GITHUB_ENV
+        echo "test_cases_length=${#test_cases[@]}" >> $GITHUB_ENV
+
+    - name: Create missing test suites
+      shell: bash
+      if: ${{ env.test_cases_length > 0 }}
+      env:
+        project_code: ${{ inputs.project-code }}
+        token: ${{ inputs.token }}
+        test_cases: ${{ env.test_cases }}
+      run: |
+        test_cases=(${test_cases})
+        for test_case in "${test_cases[@]}"; do
+        
+          echo "processing test case: ${test_case}"
+          IFS='/' read -ra arr <<< "${test_case}"
+        
+          parent_suite_id=""
+        
+          for str in "${arr[@]}"; do
+            if [[ $str == *".md"* ]]; then
+              # only deal with test suite in this step
+              # test case will be processed in the next step
+              break
+            fi
+            str=${str//-/ } # replace - with whitespace
+            if [[ $str =~ ^v.+\..+\.+.+$ ]]; then
+              : # skip v*.*.*
+            elif [[ ${#str} -lt 4 ]]; then
+              # capitalize acronym like ha, eks, etc
+              str=${str^^}
+            else
+              str=($str)
+              str="${str[@]^}" # capitalize every word
+            fi
+        
+            # check if the test suite already exists
+            res=$(curl -s --request GET --url "https://api.qase.io/v1/suite/${project_code}" --get --data-urlencode "search=${str}" --header "Token: ${token}" --header "accept: application/json")
+            echo "checked if test suite ${str} exists: ${res}"
+        
+            # if not, create new test suite
+            if [[ $(echo "$res" | jq .result.count) == "0" ]]; then
+              echo "creating new test suite ${str} with parent id ${parent_suite_id}"
+              res=$(curl --request POST -s \
+                         --url https://api.qase.io/v1/suite/${project_code} \
+                         --header "Token: ${token}" \
+                         --header "accept: application/json" \
+                         --header "content-type: application/json" \
+                         --data "{ \"title\": \"${str}\", \"parent_id\": \"${parent_suite_id}\" }")
+              echo "created new test suite ${str}: ${res}"
+            fi
+        
+            # update parent suite id for the next iteration
+            res=$(curl -s --request GET --url "https://api.qase.io/v1/suite/${project_code}" --get --data-urlencode "search=${str}" --header "Token: ${token}" --header "accept: application/json")
+            parent_suite_id=$(echo "$res" | jq .result.entities[0].id)
+            echo "updated parent suite id to ${parent_suite_id}: ${res}"
+          done
+        done
+
+    - name: Create or update test cases
+      shell: bash
+      if: ${{ env.test_cases_length > 0 }}
+      env:
+        project_code: ${{ inputs.project-code }}
+        token: ${{ inputs.token }}
+        test_cases: ${{ env.test_cases }}
+      working-directory: ./docs/content/manual
+      run: |
+        test_cases=(${test_cases})
+        
+        for file_path in "${test_cases[@]}"; do
+        
+          delete_test_case=false
+          if [[ ! -e "${file_path}" ]]; then
+            echo "${file_path} has been deleted"
+            git checkout HEAD^ -- "${file_path}"
+            delete_test_case=true
+          fi
+        
+          title=$(grep '^title:' ${file_path} | sed 's/title: //g' | sed 's/"/\\"/g')
+          echo "got test case title: ${title}"
+          description=$(sed -z 's/\n/\\n/g' ${file_path} | sed 's/ \\/ \\\\/g' | sed 's/"/\\"/g')
+          echo "got test case description: ${description}"
+        
+          res=$(curl -s --request GET --url "https://api.qase.io/v1/case/${project_code}" --get --data-urlencode "search=${title}" --header "Token: ${token}" --header "accept: application/json")
+          if [[ $(echo $res | jq .result.count) -ne "0" ]] && [[ "${delete_test_case}" = true ]]; then
+            # delete existing test case
+            test_case_id=$(echo $res | jq .result.entities[0].id)
+        
+            res=$(curl --request DELETE -s \
+                       --url "https://api.qase.io/v1/case/${project_code}/${test_case_id}" \
+                       --header "Token: ${token}" \
+                       --header "accept: application/json")
+        
+            echo "deleted existing test case: ${res}"
+          elif [[ $(echo $res | jq .result.count) -ne "0" ]]; then
+            # update existing test case
+            test_case_id=$(echo $res | jq .result.entities[0].id)
+        
+            res=$(curl --request PATCH -s \
+                       --url "https://api.qase.io/v1/case/${project_code}/${test_case_id}" \
+                       --header "Token: ${token}" \
+                       --header "accept: application/json" \
+                       --header "content-type: application/json" \
+                       --data "{ \"description\": \"${description}\", \"title\": \"${title}\" }")
+        
+            echo "updated existing test case: ${res}"
+          else
+            # create new test case
+            parent_suite_name=$(basename $(dirname ${file_path}))
+        
+            if [[ "${parent_suite_name}" == "manual" ]]; then
+              parent_suite_id=""
+            else
+              parent_suite_name=${parent_suite_name//-/ } # replace - with whitespace
+              if [[ $parent_suite_name =~ ^v.+\..+\.+.+$ ]]; then
+                : # skip v*.*.*
+              elif [[ ${#parent_suite_name} -lt 4 ]]; then
+                # capitalize acronym like ha, eks, etc
+                parent_suite_name=${parent_suite_name^^}
+              else
+                parent_suite_name=($parent_suite_name)
+                parent_suite_name="${parent_suite_name[@]^}" # capitalize every word
+              fi
+              res=$(curl -s --request GET --url "https://api.qase.io/v1/suite/${project_code}" --get --data-urlencode "search=${parent_suite_name}" --header "Token: ${token}" --header "accept: application/json")
+              parent_suite_id=$(echo "$res" | jq .result.entities[0].id)
+            fi
+            echo "creating new test case ${title} under test suite ${parent_suite_name}(${parent_suite_id})"
+            res=$(curl --request POST -s \
+                       --url https://api.qase.io/v1/case/${project_code}/ \
+                       --header "Token: ${token}" \
+                       --header "accept: application/json" \
+                       --header "content-type: application/json" \
+                       --data "{ \"description\": \"${description}\", \"title\": \"${title}\", \"suite_id\": \"${parent_suite_id}\" }")
+            echo "created new test case ${title}: ${res}"
+          fi
+        done