diff --git a/justfile b/justfile
new file mode 100644
index 0000000..d4976f1
--- /dev/null
+++ b/justfile
@@ -0,0 +1,22 @@
+# Temporary until we have a frontend.
+set working-directory := 'backend'
+
+dev:
+    cargo run
+
+build:
+    cargo build
+
+test-unit:
+    cargo test
+
+fmt:
+    cargo fmt --check
+
+lint:
+    cargo clippy
+
+clean:
+    cargo clean
+
+
diff --git a/plan/01_CORE_MVP/backend.md b/plan/01_CORE_MVP/backend.md
index 80a5a1f..9ab5ca9 100644
--- a/plan/01_CORE_MVP/backend.md
+++ b/plan/01_CORE_MVP/backend.md
@@ -61,7 +61,7 @@ captains-log/
   - **Expected outcome**: `cargo run` starts server responding to GET /health
 
 ### Task 1.3: Create Development Justfile
-- [ ] **File**: `justfile`
+- [x] **File**: `justfile`
   - Initial commands: 'dev', 'build', 'test-unit', 'fmt', 'lint', 'clean'
   - As Needed: `test-api`, `test-coverage`
   - **Expected outcome**: `just --list` shows all commands