diff --git a/.github/workflows/handle_external_pr.yml b/.github/workflows/handle_external_pr.yml
new file mode 100644
index 0000000..891ea08
--- /dev/null
+++ b/.github/workflows/handle_external_pr.yml
@@ -0,0 +1,24 @@
+name: Label pull requests from forks
+
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  handle_external_pr:
+    # Only run this entire workflow if the PR was opened from a forked repo
+    # The reasoning is that both bots and external contributors have to make
+    # a fork of the repo before they can open a PR because they don't have
+    # write access to the repo.
+    if: github.event.pull_request.head.repo.full_name != github.repository
+    runs-on: ubuntu-latest
+    env:
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - name: Add PR to project
+        run: |
+          gh pr edit ${{ github.event.pull_request.url }} --add-project Neurobagel
+
+      - name: Label pull request with "_community"
+        run: gh pr edit ${{ github.event.pull_request.number }} --add-label "_community"