diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0847e79edd..0dfe94d340 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,9 +8,98 @@ on:
       - '**'
 
 env:
+  ### compiler options
+  HOST:
+  WRAPPER_CMD:
+  # Specific warnings can be disabled with -Wno-error=foo.
+  # -pedantic-errors is not equivalent to -Werror=pedantic and thus not implied by -Werror according to the GCC manual.
+  WERROR_CFLAGS: '-Werror -pedantic-errors'
+  MAKEFLAGS: '-j4'
+  BUILD: 'check'
+  ### secp256k1 config
+  ECMULTWINDOW: 'auto'
+  ECMULTGENPRECISION: 'auto'
+  ASM: 'no'
+  WIDEMUL: 'auto'
+  WITH_VALGRIND: 'yes'
+  EXTRAFLAGS:
+  ### secp256k1 modules
+  EXPERIMENTAL: 'no'
+  ECDH: 'no'
+  RECOVERY: 'no'
+  SCHNORRSIG: 'no'
+  ELLSWIFT: 'no'
+  ### test options
+  SECP256K1_TEST_ITERS:
+  BENCH: 'yes'
   SECP256K1_BENCH_ITERS: 2
+  CTIMETESTS: 'yes'
+  # Compile and run the examples.
+  EXAMPLES: 'yes'
 
 jobs:
+  macos-native:
+    name: "x86_64: macOS Ventura"
+    # See: https://github.com/actions/runner-images#available-images.
+    runs-on: macos-13
+
+    env:
+      ASM: 'no'
+      WITH_VALGRIND: 'no'
+      CTIMETESTS: 'no'
+      CC: 'clang'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        env_vars:
+          - 'WIDEMUL=int64  RECOVERY=yes ECDH=yes SCHNORRSIG=yes ELLSWIFT=yes'
+          - 'WIDEMUL=int64  RECOVERY=yes ECDH=yes SCHNORRSIG=yes ELLSWIFT=yes CC=gcc'
+          - 'WIDEMUL=int128_struct ECMULTGENPRECISION=2 ECMULTWINDOW=4'
+          - 'WIDEMUL=int128              ECDH=yes SCHNORRSIG=yes ELLSWIFT=yes'
+          - 'WIDEMUL=int128 RECOVERY=yes          SCHNORRSIG=yes'
+          - 'WIDEMUL=int128 RECOVERY=yes ECDH=yes SCHNORRSIG=yes ELLSWIFT=yes CC=gcc'
+          - 'WIDEMUL=int128 RECOVERY=yes ECDH=yes SCHNORRSIG=yes ELLSWIFT=yes CPPFLAGS=-DVERIFY'
+          - 'BUILD=distcheck'
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set environment variables
+        run: |
+          read -r -a vars <<< "${{ matrix.env_vars }}"
+          for var in "${vars[@]}"; do
+            echo "$var" >> "$GITHUB_ENV"
+          done
+          echo "MAKEFLAGS=-j$(($(sysctl -n hw.logicalcpu) + 1))" >> "$GITHUB_ENV"
+
+      - name: Install Homebrew packages
+        env:
+          HOMEBREW_NO_AUTO_UPDATE: 1
+          HOMEBREW_NO_INSTALL_CLEANUP: 1
+        run: brew install automake libtool $([ "${CC}" = "gcc" ] && echo "gcc")
+
+      - name: CI script
+        run: ./ci/cirrus.sh
+
+      - run: cat tests.log || true
+        if: ${{ always() }}
+      - run: cat noverify_tests.log || true
+        if: ${{ always() }}
+      - run: cat exhaustive_tests.log || true
+        if: ${{ always() }}
+      - run: cat ctime_tests.log || true
+        if: ${{ always() }}
+      - run: cat bench.log || true
+        if: ${{ always() }}
+      - run: cat config.log || true
+        if: ${{ always() }}
+      - run: cat test_env.log || true
+        if: ${{ always() }}
+      - run: env
+        if: ${{ always() }}
+
   win64-native:
     name: "x86_64: Windows, VS 2022"
     # See: https://github.com/actions/runner-images#available-images.