diff --git a/server/bin/check-project-config.sh b/server/bin/check-project-config.sh
index 8b3c281..764facc 100755
--- a/server/bin/check-project-config.sh
+++ b/server/bin/check-project-config.sh
@@ -26,6 +26,14 @@
 
 set -uo pipefail
 cd "$(dirname "$0")/../.." || exit 1
+
+# claude lives behind a PATH that Ubuntu's ~/.bashrc builds only for an
+# interactive shell — it returns on its first line otherwise — so a plain
+# `ssh flit ...` and a systemd timer both reach a shell that cannot find it.
+# Set it explicitly, exactly as verify.sh and job-wrapper.sh do for the same
+# reason (§13.2, environment).
+export PATH="$HOME/.local/bin:$HOME/.local/share/mise/shims:$HOME/.cargo/bin:$HOME/.local/share/pnpm/bin:$PATH"
+
 # shellcheck source=lib/common.sh
 source lib/common.sh