diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..5422fab
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,28 @@
+## Description
+
+Describe the changes in 1-3 sentences. Use "N/A" if not applicable.
+
+## Type of Change
+
+- [ ] Bugfix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Refactor (no functional changes)
+- [ ] Performance improvement
+- [ ] CI / build / tooling
+
+## Testing
+
+Describe the tests you wrote/run and their coverage. Use "N/A" if not applicable.
+
+## Coverage
+
+- [ ] 100% line coverage maintained
+
+## Checklist
+
+- [ ] `npm run lint` passes
+- [ ] Tests pass with 100% line coverage
+- [ ] No forbidden patterns used
+- [ ] Conventional Commit style applied
diff --git a/AGENTS.md b/AGENTS.md
index 722a2be..5e3b8e7 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -144,6 +144,10 @@ chore: update rollup configuration
 - All changes require tests to pass and maintain coverage requirements.
 - 100% line coverage is required before merging.
 
+### 5.4 Pull Request Templates
+
+If a `.github/PULL_REQUEST_TEMPLATE.md` file exists, it MUST be used when creating PRs. Fill out every section — do not leave any section blank. If a section does not apply, write `N/A` rather than skipping it.
+
 ---
 
 ## 6. Operational Rules