diff --git a/.github/workflows/merge.yaml b/.github/workflows/merge.yaml
index 07accf7..e7e1526 100644
--- a/.github/workflows/merge.yaml
+++ b/.github/workflows/merge.yaml
@@ -25,81 +25,23 @@ jobs:
 
     steps:
       - name: "Request review from @ergebnis-bot"
-        uses: "actions/github-script@v5"
+        uses: "ergebnis/.github/actions/github/pull-request/request-review@1.3.2"
         with:
           github-token: "${{ secrets.ERGEBNIS_BOT_TOKEN }}"
-          script: |
-            const pullRequest = context.payload.workflow_run.pull_requests[0];
-
-            const reviewers = [
-              "ergebnis-bot",
-            ];
-
-            try {
-              await github.rest.pulls.requestReviewers({
-                owner: context.repo.owner,
-                pull_number: pullRequest.number,
-                repo: context.repo.repo,
-                reviewers: reviewers,
-              });
-            } catch (error) {
-              core.setFailed(error.message);
-            }
+          reviewer: "ergebnis-bot"
 
       - name: "Assign @ergebnis-bot"
-        uses: "actions/github-script@v5"
+        uses: "ergebnis/.github/actions/github/pull-request/add-assignee@1.3.2"
         with:
           github-token: "${{ secrets.ERGEBNIS_BOT_TOKEN }}"
-          script: |
-            const pullRequest = context.payload.workflow_run.pull_requests[0];
-
-            const assignees = [
-              "ergebnis-bot",
-            ];
-
-            try {
-              await github.rest.issues.addAssignees({
-                assignees: assignees,
-                issue_number: pullRequest.number,
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-              });
-            } catch (error) {
-              core.setFailed(error.message);
-            }
+          assignee: "ergebnis-bot"
 
       - name: "Approve pull request"
-        uses: "actions/github-script@v5"
+        uses: "ergebnis/.github/actions/github/pull-request/approve@1.3.2"
         with:
           github-token: "${{ secrets.ERGEBNIS_BOT_TOKEN }}"
-          script: |
-            const pullRequest = context.payload.workflow_run.pull_requests[0];
-
-            try {
-              await github.rest.pulls.createReview({
-                event: "APPROVE",
-                owner: context.repo.owner,
-                pull_number: pullRequest.number,
-                repo: context.repo.repo,
-              });
-            } catch (error) {
-              core.setFailed(error.message);
-            }
 
       - name: "Merge pull request"
-        uses: "actions/github-script@v5"
+        uses: "ergebnis/.github/actions/github/pull-request/merge@1.3.2"
         with:
           github-token: "${{ secrets.ERGEBNIS_BOT_TOKEN }}"
-          script: |
-            const pullRequest = context.payload.workflow_run.pull_requests[0];
-
-            try {
-              await github.rest.pulls.merge({
-                merge_method: "merge",
-                owner: context.repo.owner,
-                pull_number: pullRequest.number,
-                repo: context.repo.repo,
-              });
-            } catch (error) {
-              core.setFailed(error.message);
-            }
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 318dd2d..5a18b72 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -14,24 +14,7 @@ jobs:
     runs-on: "ubuntu-latest"
 
     steps:
-      - name: "Determine tag"
-        run: "echo \"RELEASE_TAG=${GITHUB_REF#refs/tags/}\" >> $GITHUB_ENV"
-
       - name: "Create release"
-        uses: "actions/github-script@v5"
+        uses: "ergebnis/.github/actions/github/release/create@1.3.2"
         with:
           github-token: "${{ secrets.ERGEBNIS_BOT_TOKEN }}"
-          script: |
-            try {
-              await github.rest.repos.createRelease({
-                draft: false,
-                generate_release_notes: true,
-                name: process.env.RELEASE_TAG,
-                owner: context.repo.owner,
-                prerelease: false,
-                repo: context.repo.repo,
-                tag_name: process.env.RELEASE_TAG,
-              });
-            } catch (error) {
-              core.setFailed(error.message);
-            }
diff --git a/.github/workflows/triage.yaml b/.github/workflows/triage.yaml
index a1ba09b..39be0e6 100644
--- a/.github/workflows/triage.yaml
+++ b/.github/workflows/triage.yaml
@@ -15,40 +15,6 @@ jobs:
 
     steps:
       - name: "Add labels based on branch name"
-        uses: "actions/github-script@v5"
+        uses: "ergebnis/.github/actions/github/pull-request/add-label-based-on-branch-name@1.3.2"
         with:
           github-token: "${{ secrets.ERGEBNIS_BOT_TOKEN }}"
-          script: |
-            const branchPrefixLabels = {
-              feature: "enhancement",
-              fix: "bug",
-            };
-
-            const pullRequest = context.payload.pull_request;
-
-            const branchName = pullRequest.head.ref;
-
-            const matches = branchName.match(new RegExp('^([^/]+)\/'));
-
-            if (!matches instanceof Array) {
-              return;
-            }
-
-            if (!branchPrefixLabels.hasOwnProperty(matches[1])) {
-              return;
-            }
-
-            const label = branchPrefixLabels[matches[1]];
-
-            try {
-              await github.rest.issues.addLabels({
-                issue_number: pullRequest.number,
-                labels: [
-                  label,
-                ],
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-              });
-            } catch (error) {
-              core.setFailed(error.message);
-            }