diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000000..3de71b061d
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,48 @@
+name: CI Build and Test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  format:
+    name: Format
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: "true"
+      - name: Check Formatting
+        run: cargo fmt -v --all -- --check
+
+  build:
+    name: CI Build and Test
+    strategy:
+      matrix:
+        os: [windows-latest, ubuntu-latest, macos-latest]
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: "true"
+      - name: Clippy Lints
+        run: cargo clippy -vv --all-targets --all-features -- -D warnings
+      - name: Build
+        run: cargo build -vv --release
+      - name: Test
+        run: cargo test -vv --release -- --nocapture
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{matrix.os}}
+          path: |
+            target/release/qsc*
+            !target/release/qsc.d
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000..c41cc9e35e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000000..80df0b2a08
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,265 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
+name = "bitvec"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bc2832c24239b0141d5674bb9174f9d68a8b5b3f2753311927c172ca46f7e9c"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "funty"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6d5a32815ae3f33302d95fdcb2ce17862f8c65363dcfd29360480ba1001fc9c"
+
+[[package]]
+name = "getrandom"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.139"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+
+[[package]]
+name = "llvm-tools"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "955be5d0ca0465caf127165acb47964f911e2bc26073e865deb8be7189302faf"
+
+[[package]]
+name = "matrixmultiply"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "add85d4dd35074e6fedc608f8c8f513a3548619a9024b751949ef0e8e45a4d84"
+dependencies = [
+ "rawpointer",
+]
+
+[[package]]
+name = "ndarray"
+version = "0.15.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adb12d4e967ec485a5f71c6311fe28158e9d6f4bc4a447b474184d0f91a8fa32"
+dependencies = [
+ "matrixmultiply",
+ "num-complex",
+ "num-integer",
+ "num-traits",
+ "rawpointer",
+]
+
+[[package]]
+name = "num-bigint"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f93ab6289c7b344a8a9f60f88d80aa20032336fe78da341afc91c8a2341fc75f"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-complex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02e0d21255c828d6f128a1e41534206671e8c3ea0c62f32291e808dc82cff17d"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
+[[package]]
+name = "qir-backend"
+version = "0.1.0"
+source = "git+https://github.com/qir-alliance/qir-runner?rev=67c2902cd8682976aa7e5b71087a9a03a8889999#67c2902cd8682976aa7e5b71087a9a03a8889999"
+dependencies = [
+ "bitvec",
+ "ndarray",
+ "num-bigint",
+ "num-complex",
+ "num-traits",
+ "qir-stdlib",
+ "rand",
+ "rustc-hash",
+]
+
+[[package]]
+name = "qir-stdlib"
+version = "0.1.0"
+source = "git+https://github.com/qir-alliance/qir-runner?rev=67c2902cd8682976aa7e5b71087a9a03a8889999#67c2902cd8682976aa7e5b71087a9a03a8889999"
+dependencies = [
+ "llvm-tools",
+ "num-bigint",
+ "rand",
+]
+
+[[package]]
+name = "qsc"
+version = "0.0.0"
+dependencies = [
+ "qsc_ast",
+ "qsc_codegen",
+ "qsc_eval",
+ "qsc_frontend",
+ "qsc_passes",
+]
+
+[[package]]
+name = "qsc_ast"
+version = "0.0.0"
+
+[[package]]
+name = "qsc_codegen"
+version = "0.0.0"
+dependencies = [
+ "qsc_ast",
+ "qsc_frontend",
+]
+
+[[package]]
+name = "qsc_eval"
+version = "0.0.0"
+dependencies = [
+ "qir-backend",
+ "qir-stdlib",
+ "qsc_ast",
+ "qsc_frontend",
+]
+
+[[package]]
+name = "qsc_frontend"
+version = "0.0.0"
+dependencies = [
+ "qsc_ast",
+]
+
+[[package]]
+name = "qsc_passes"
+version = "0.0.0"
+dependencies = [
+ "qsc_ast",
+ "qsc_frontend",
+]
+
+[[package]]
+name = "radium"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
+
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "rawpointer"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60a357793950651c4ed0f3f52338f53b2f809f32d83a07f72909fa13e4c6c1e3"
+
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
+[[package]]
+name = "tap"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
+
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
+[[package]]
+name = "wyz"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
+dependencies = [
+ "tap",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000000..933561010a
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[workspace]
+members = [
+    "compiler/qsc",
+    "compiler/qsc_ast",
+    "compiler/qsc_codegen",
+    "compiler/qsc_eval",
+    "compiler/qsc_frontend",
+    "compiler/qsc_passes",
+]
+
+[profile.release]
+debug = 1
\ No newline at end of file
diff --git a/compiler/qsc/Cargo.toml b/compiler/qsc/Cargo.toml
new file mode 100644
index 0000000000..dfcc191e62
--- /dev/null
+++ b/compiler/qsc/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "qsc"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]
+qsc_ast = { path = "../qsc_ast" }
+qsc_frontend = { path = "../qsc_frontend" }
+qsc_passes = { path = "../qsc_passes" }
+qsc_codegen = { path = "../qsc_codegen" }
+qsc_eval = { path = "../qsc_eval" }
\ No newline at end of file
diff --git a/compiler/qsc/src/main.rs b/compiler/qsc/src/main.rs
new file mode 100644
index 0000000000..3f1aa42a89
--- /dev/null
+++ b/compiler/qsc/src/main.rs
@@ -0,0 +1,8 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#![warn(clippy::pedantic)]
+
+fn main() {
+    println!("Hello, world!");
+}
diff --git a/compiler/qsc_ast/Cargo.toml b/compiler/qsc_ast/Cargo.toml
new file mode 100644
index 0000000000..20dd040a34
--- /dev/null
+++ b/compiler/qsc_ast/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "qsc_ast"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]
diff --git a/compiler/qsc_ast/src/lib.rs b/compiler/qsc_ast/src/lib.rs
new file mode 100644
index 0000000000..fc7aaf15df
--- /dev/null
+++ b/compiler/qsc_ast/src/lib.rs
@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#![warn(clippy::pedantic)]
+
+#[must_use]
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}
diff --git a/compiler/qsc_codegen/Cargo.toml b/compiler/qsc_codegen/Cargo.toml
new file mode 100644
index 0000000000..ac3eda25e7
--- /dev/null
+++ b/compiler/qsc_codegen/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "qsc_codegen"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]
+qsc_ast = { path = "../qsc_ast" }
+qsc_frontend = { path = "../qsc_frontend" }
+# LLVM dependency here...
\ No newline at end of file
diff --git a/compiler/qsc_codegen/src/lib.rs b/compiler/qsc_codegen/src/lib.rs
new file mode 100644
index 0000000000..fc7aaf15df
--- /dev/null
+++ b/compiler/qsc_codegen/src/lib.rs
@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#![warn(clippy::pedantic)]
+
+#[must_use]
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}
diff --git a/compiler/qsc_eval/Cargo.toml b/compiler/qsc_eval/Cargo.toml
new file mode 100644
index 0000000000..16f0e66fa3
--- /dev/null
+++ b/compiler/qsc_eval/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "qsc_eval"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]
+qsc_ast = { path = "../qsc_ast" }
+qsc_frontend = { path = "../qsc_frontend" }
+qir-backend = { git = "https://github.com/qir-alliance/qir-runner", rev = "67c2902cd8682976aa7e5b71087a9a03a8889999" }
+qir-stdlib = { git = "https://github.com/qir-alliance/qir-runner", rev = "67c2902cd8682976aa7e5b71087a9a03a8889999", features = ["disable-range-support"] }
diff --git a/compiler/qsc_eval/src/lib.rs b/compiler/qsc_eval/src/lib.rs
new file mode 100644
index 0000000000..fc7aaf15df
--- /dev/null
+++ b/compiler/qsc_eval/src/lib.rs
@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#![warn(clippy::pedantic)]
+
+#[must_use]
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}
diff --git a/compiler/qsc_frontend/Cargo.toml b/compiler/qsc_frontend/Cargo.toml
new file mode 100644
index 0000000000..5d32a9a8c0
--- /dev/null
+++ b/compiler/qsc_frontend/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "qsc_frontend"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]
+qsc_ast = { path = "../qsc_ast" }
diff --git a/compiler/qsc_frontend/src/lib.rs b/compiler/qsc_frontend/src/lib.rs
new file mode 100644
index 0000000000..fc7aaf15df
--- /dev/null
+++ b/compiler/qsc_frontend/src/lib.rs
@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#![warn(clippy::pedantic)]
+
+#[must_use]
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}
diff --git a/compiler/qsc_passes/Cargo.toml b/compiler/qsc_passes/Cargo.toml
new file mode 100644
index 0000000000..c537c8b4ca
--- /dev/null
+++ b/compiler/qsc_passes/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "qsc_passes"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]
+qsc_ast = { path = "../qsc_ast" }
+qsc_frontend = { path = "../qsc_frontend" }
diff --git a/compiler/qsc_passes/src/lib.rs b/compiler/qsc_passes/src/lib.rs
new file mode 100644
index 0000000000..fc7aaf15df
--- /dev/null
+++ b/compiler/qsc_passes/src/lib.rs
@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#![warn(clippy::pedantic)]
+
+#[must_use]
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}