diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
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--- /dev/null
+++ b/.github/pull_request_template.md
@@ -0,0 +1,9 @@
+## RFC-NNNN: <title>
+
+**Problem:** what isn't working today?
+
+**Proposal:** what changes?
+
+**Affects:** which craft apps, the whole org (e.g. shared process or tooling), or "this repo only"
+
+**Comment period:** 3 days / 7 days (adding/removing an app or changing the process)
diff --git a/rfcs/0001-pr-template.md b/rfcs/0001-pr-template.md
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+++ b/rfcs/0001-pr-template.md
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+# RFC-0001: Pull request template
+
+RFC PRs here have no fixed shape, so reviewers have to dig for the
+problem, the proposal and its impact. Add `.github/pull_request_template.md`
+so every PR opens with the same short prompts.
+
+- The template asks for: the RFC number and title, the problem it solves,
+  the proposed change, what it affects (specific apps, the whole org,
+  or this repo only), and the comment period
+  (7 or 3 days, per RFC-0000).
+- Authors delete prompts that don't apply. The template guides; it isn't
+  enforced.
+- This PR adds the template, so merging the RFC adopts it.
+- The template is changed through RFCs, like everything else here.