diff --git a/CLAUDE.md b/CLAUDE.md
index 5686f30..4443aeb 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -74,38 +74,11 @@ tasks (id, title, description, status, created_at, updated_at, completed_at)
 
 ## Development Commands
 
-### Testing
-```bash
-# Backend tests
-just test-unit              # Unit tests (cargo test)
-just test-coverage          # Coverage report (tarpaulin HTML)
-just test-integration       # API tests (Hurl)
+**Primary command**: Use `just` for all development tasks. Run `just --list` to see all available commands.
 
-# Individual commands
-cargo test                  # Direct unit test execution
-hurl --test tests/api/*.hurl # Direct API test execution
-
-# Frontend tests (when implemented)
-npm test                    # Unit tests
-npm run test:e2e           # End-to-end tests
-npm run test:coverage      # Coverage report
-```
-
-### Development Server
-```bash
-# Backend (Rust server)
-just dev                    # Run backend server (cargo run)
-
-# Other backend commands
-just build                  # Build project
-just migrate               # Run database migrations
-just reset-db              # Reset database
-just fmt                   # Format code
-just lint                  # Run clippy
-
-# Frontend (when implemented)
-npm run dev                # Vite dev server
-```
+**Key commands**:
+- `just check` - Validate all changes (primary validation command)
+- `just fmt` - Format code (resolve formatting errors)
 
 ## Current Phase: Core MVP Backend ✅
 
diff --git a/justfile b/justfile
index c0e67ce..ad5f466 100644
--- a/justfile
+++ b/justfile
@@ -25,5 +25,7 @@ fmt-check: fmt-check-backend fmt-check-frontend
 
 lint: lint-backend lint-frontend
 
+check: fmt-check lint test
+
 clean: clean-backend clean-frontend