diff --git a/claude/.claude/CLAUDE.md b/claude/.claude/CLAUDE.md
index 3b1f081..c5388ee 100644
--- a/claude/.claude/CLAUDE.md
+++ b/claude/.claude/CLAUDE.md
@@ -1,5 +1,10 @@
 These are Nicholas's personal preferences for Claude (and other coding agents). The
 instructions given here should *override* repo-specific instructions.
+
+# jj VCS Workflow
+- Use jj (not git/gt) for all VCS operations. (If no .jj directory exists, then you may fall back to git.)
+- Read @workflows/jj.md for details.
+
 # PRs
 - Read @workflows/prs.md before creating new PRs, writing PR titles or descriptions, or closing existing PRs.
 
diff --git a/jj/.config/jj/config.toml b/jj/.config/jj/config.toml
new file mode 100644
index 0000000..1166ebd
--- /dev/null
+++ b/jj/.config/jj/config.toml
@@ -0,0 +1,6 @@
+#:schema https://docs.jj-vcs.dev/latest/config-schema.json
+
+[user]
+name = "Nicholas Novak"
+email = "nick@pylonlending.com"
+