diff --git a/.github/workflows/hecke.yml b/.github/workflows/hecke.yml
new file mode 100644
index 000000000..e89cf5cce
--- /dev/null
+++ b/.github/workflows/hecke.yml
@@ -0,0 +1,112 @@
+name: HeckeCI
+
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+  workflow_dispatch:
+
+concurrency:
+  # group by workflow and ref; the last slightly strange component ensures that for pull
+  # requests, we limit to 1 concurrent job, but for the master branch we don't
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.ref != 'refs/heads/master' || github.run_number }}
+  # Cancel intermediate builds, but only if it is a pull request build.
+  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
+
+jobs:
+  generatematrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    env:
+      PR_NUMBER: ${{github.event.number || '0' }}
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: "Set up Julia"
+      uses: julia-actions/setup-julia@v1
+      with:
+        version: '1.10'
+    - name: OscarDevTools - CI
+      if: github.repository == 'oscar-system/OscarDevTools.jl'
+      run: |
+        julia --project=oscar-dev -e "using Pkg;
+                                      Pkg.develop(PackageSpec(path=\".\"));
+                                      Pkg.instantiate();"
+    - name: fetch OscarDevTools
+      if: github.repository != 'oscar-system/OscarDevTools.jl'
+      run: |
+        julia --project=oscar-dev -e "using Pkg;
+                                      Pkg.add(PackageSpec(name=\"OscarDevTools\",version=\"0.2\"));
+                                      Pkg.instantiate();"
+    - id: set-matrix
+      run: |
+        julia --project=oscar-dev -e "using OscarDevTools.OscarCI;
+                 ciprefs = parse_meta(\"HeckeCI.toml\");
+                 cimat = ci_matrix(ciprefs;
+                                   pr=${PR_NUMBER},
+                                   active_repo=\"${GITHUB_REPOSITORY}\");
+                 @show cimat;
+                 println(github_json(cimat));"
+
+  test-oscar:
+    needs: generatematrix
+    name: ${{ join(matrix.*.name) }} - ${{ matrix.os }}, julia ${{ matrix.julia-version}}
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.julia-version == 'nightly' }}
+    env:
+      PR_NUMBER: ${{github.event.number}}
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    strategy:
+      matrix: ${{fromJSON(needs.generatematrix.outputs.matrix)}}
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: "Set up Julia"
+        uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.julia-version }}
+      - name: re-using OscarDevTools checkout
+        if: github.repository == 'oscar-system/OscarDevTools.jl'
+        run: |
+          julia --project=oscar-dev -e "using Pkg;
+                                        Pkg.develop(PackageSpec(path=\".\"));
+                                        Pkg.instantiate();"
+      - name: fetch OscarDevTools
+        if: github.repository != 'oscar-system/OscarDevTools.jl'
+        run: |
+          julia --project=oscar-dev -e "using Pkg;
+                                        Pkg.add(PackageSpec(name=\"OscarDevTools\",version=\"0.2\"));
+                                        Pkg.instantiate();"
+      - name: "Set up Oscar-dev configuration"
+        id: setupdev
+        env:
+          MATRIX_CONTEXT: ${{ toJSON(matrix) }}
+        run: |
+          echo "$MATRIX_CONTEXT"
+          julia --project=oscar-dev -e "using OscarDevTools, OscarDevTools.OscarCI;
+                   meta = job_meta_env(\"MATRIX_CONTEXT\");
+                   oscar_develop(job_pkgs(meta);
+                                 dir=\"oscar-dev\",
+                                 active_repo=\"${GITHUB_REPOSITORY}\");
+                   github_env_runtests(meta;
+                                       varname=\"oscar_run_tests\",
+                                       filename=\"${GITHUB_ENV}\");
+                   github_env_run_doctests(meta;
+                                           varname=\"oscar_run_doctests\",
+                                           filename=\"${GITHUB_ENV}\");"
+
+      - name: "Run tests"
+        if: steps.setupdev.outputs.skiptests != 'true'
+        run: |
+          echo '${{ env.oscar_run_tests }}'
+          julia --color=yes --project=oscar-dev/project/ -e '${{ env.oscar_run_tests }}'
+      - name: "Run doctests"
+        if: steps.setupdev.outputs.skiptests != 'true'
+        run: |
+          echo '${{ env.oscar_run_doctests }}'
+          julia --color=yes --project=oscar-dev/project/ -e '${{ env.oscar_run_doctests }}'
diff --git a/.github/workflows/singular.yml b/.github/workflows/singular.yml
new file mode 100644
index 000000000..e69c8b77d
--- /dev/null
+++ b/.github/workflows/singular.yml
@@ -0,0 +1,112 @@
+name: SingularCI
+
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+  workflow_dispatch:
+
+concurrency:
+  # group by workflow and ref; the last slightly strange component ensures that for pull
+  # requests, we limit to 1 concurrent job, but for the master branch we don't
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.ref != 'refs/heads/master' || github.run_number }}
+  # Cancel intermediate builds, but only if it is a pull request build.
+  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
+
+jobs:
+  generatematrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    env:
+      PR_NUMBER: ${{github.event.number || '0' }}
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: "Set up Julia"
+      uses: julia-actions/setup-julia@v1
+      with:
+        version: '1.10'
+    - name: OscarDevTools - CI
+      if: github.repository == 'oscar-system/OscarDevTools.jl'
+      run: |
+        julia --project=oscar-dev -e "using Pkg;
+                                      Pkg.develop(PackageSpec(path=\".\"));
+                                      Pkg.instantiate();"
+    - name: fetch OscarDevTools
+      if: github.repository != 'oscar-system/OscarDevTools.jl'
+      run: |
+        julia --project=oscar-dev -e "using Pkg;
+                                      Pkg.add(PackageSpec(name=\"OscarDevTools\",version=\"0.2\"));
+                                      Pkg.instantiate();"
+    - id: set-matrix
+      run: |
+        julia --project=oscar-dev -e "using OscarDevTools.OscarCI;
+                 ciprefs = parse_meta(\"SingularCI.toml\");
+                 cimat = ci_matrix(ciprefs;
+                                   pr=${PR_NUMBER},
+                                   active_repo=\"${GITHUB_REPOSITORY}\");
+                 @show cimat;
+                 println(github_json(cimat));"
+
+  test-oscar:
+    needs: generatematrix
+    name: ${{ join(matrix.*.name) }} - ${{ matrix.os }}, julia ${{ matrix.julia-version}}
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.julia-version == 'nightly' }}
+    env:
+      PR_NUMBER: ${{github.event.number}}
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    strategy:
+      matrix: ${{fromJSON(needs.generatematrix.outputs.matrix)}}
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: "Set up Julia"
+        uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.julia-version }}
+      - name: re-using OscarDevTools checkout
+        if: github.repository == 'oscar-system/OscarDevTools.jl'
+        run: |
+          julia --project=oscar-dev -e "using Pkg;
+                                        Pkg.develop(PackageSpec(path=\".\"));
+                                        Pkg.instantiate();"
+      - name: fetch OscarDevTools
+        if: github.repository != 'oscar-system/OscarDevTools.jl'
+        run: |
+          julia --project=oscar-dev -e "using Pkg;
+                                        Pkg.add(PackageSpec(name=\"OscarDevTools\",version=\"0.2\"));
+                                        Pkg.instantiate();"
+      - name: "Set up Oscar-dev configuration"
+        id: setupdev
+        env:
+          MATRIX_CONTEXT: ${{ toJSON(matrix) }}
+        run: |
+          echo "$MATRIX_CONTEXT"
+          julia --project=oscar-dev -e "using OscarDevTools, OscarDevTools.OscarCI;
+                   meta = job_meta_env(\"MATRIX_CONTEXT\");
+                   oscar_develop(job_pkgs(meta);
+                                 dir=\"oscar-dev\",
+                                 active_repo=\"${GITHUB_REPOSITORY}\");
+                   github_env_runtests(meta;
+                                       varname=\"oscar_run_tests\",
+                                       filename=\"${GITHUB_ENV}\");
+                   github_env_run_doctests(meta;
+                                           varname=\"oscar_run_doctests\",
+                                           filename=\"${GITHUB_ENV}\");"
+
+      - name: "Run tests"
+        if: steps.setupdev.outputs.skiptests != 'true'
+        run: |
+          echo '${{ env.oscar_run_tests }}'
+          julia --color=yes --project=oscar-dev/project/ -e '${{ env.oscar_run_tests }}'
+      - name: "Run doctests"
+        if: steps.setupdev.outputs.skiptests != 'true'
+        run: |
+          echo '${{ env.oscar_run_doctests }}'
+          julia --color=yes --project=oscar-dev/project/ -e '${{ env.oscar_run_doctests }}'
diff --git a/HeckeCI.toml b/HeckeCI.toml
new file mode 100644
index 000000000..67cbfc403
--- /dev/null
+++ b/HeckeCI.toml
@@ -0,0 +1,10 @@
+title = "metadata for Hecke CI run"
+
+[env]
+# os = [ "ubuntu-latest" ]
+# julia-version = [ "~1.6.0-0" ]
+# branches = [ "<matching>", "release" ]
+
+[pkgs]
+  [pkgs.Hecke]
+  test = true
diff --git a/OscarCI.toml b/OscarCI.toml
index 2475e4b56..ad5ea70da 100644
--- a/OscarCI.toml
+++ b/OscarCI.toml
@@ -1,4 +1,4 @@
-title = "metadata for oscar CI run"
+title = "metadata for Oscar CI run"
 
 [env]
 # os = [ "ubuntu-latest" ]
@@ -10,8 +10,7 @@ title = "metadata for oscar CI run"
   test = true
 
   [pkgs.Singular]
-  test = true
+  test = false
 
   [pkgs.Hecke]
-  test = true
-  testoptions = [ "short" ]
+  test = false
diff --git a/SingularCI.toml b/SingularCI.toml
new file mode 100644
index 000000000..06916bf77
--- /dev/null
+++ b/SingularCI.toml
@@ -0,0 +1,10 @@
+title = "metadata for Singular CI run"
+
+[env]
+# os = [ "ubuntu-latest" ]
+# julia-version = [ "~1.6.0-0" ]
+# branches = [ "<matching>", "release" ]
+
+[pkgs]
+  [pkgs.Singular]
+  test = true