diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
new file mode 100644
index 0000000..6a3a924
--- /dev/null
+++ b/.github/workflows/build-test.yml
@@ -0,0 +1,32 @@
+name: Solana BPF Build & Test Matrix
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build-test:
+    name: Build & Test (Rust ${{ matrix.rust }} • Solana ${{ matrix.solana }})
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        rust: [1.75.0, stable]
+        solana: [1.16.1]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: ${{ matrix.rust }}
+          components: rustfmt, clippy
+
+      - name: Install Solana CLI
+        run: |
+          sh -c "$(curl -sSfL https://release.solana.com/v${{ matrix.solana }}/install)"