diff --git a/justfile b/justfile
new file mode 100644
index 0000000..051fc1c
--- /dev/null
+++ b/justfile
@@ -0,0 +1,36 @@
+build:
+  #!/usr/bin/env bash
+  set -e
+  export RUSTFLAGS="-Cdebuginfo=2 -Cstrip=none --cfg=tarpaulin -Cinstrument-coverage -Clink-dead-code"
+  cargo fmt
+  cargo fmt --check
+  cargo clippy --no-deps --fix --allow-dirty
+  cargo machete
+  # cargo build
+  cargo tarpaulin --engine llvm --tests --line --skip-clean --out Html Lcov
+  # cargo llvm-cov --html --tests
+  # rm *.profraw
+  # cargo test
+  # cargo doc
+  # cargo test --example get
+
+build-mutations: build mutations
+
+mutations:
+  cargo mutants --jobs 4 --baseline skip
+
+# doc-test:
+#   cargo doc
+#   cargo test
+#   cargo test --example get
+
+jj-next:
+  jj edit main --ignore-immutable
+  just jj-next-test
+
+jj-next-test:
+  jj next --edit
+  jj bookmark move next --allow-backwards
+  just build
+  jj bookmark move main
+  just jj-next-test