diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f2a0b009..c562ffda 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,7 @@ name: CI
 on:
   push:
     branches:
-      - main
+      - FIXME
   pull_request:
 jobs:
   test:
@@ -37,7 +37,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - uses: actions/setup-java@v3
         with:
@@ -48,25 +48,15 @@ jobs:
       - uses: sbt/setup-sbt@v1
 
       - name: Build Dockerised CLI
-        run: sbt cli/docker
-
-      - name: Test repos
-        shell: bash
-        run: |
-          set -eu
-          check_repo() {
-            REPO=$1
-            mkdir -p .repos/$REPO
-            git clone https://github.com/$REPO.git .repos/$REPO && cd .repos/$REPO && git submodule update --init
+        run: sbt cli/docker 
 
-            docker run -v $PWD/.repos/$REPO:/sources -w /sources sourcegraph/scip-java:latest scip-java index
-            file .repos/$REPO/index.scip || (echo "$REPO SCIP index doesn't exist!"; exit 1)
-          }
-
-          sudo apt install parallel
-          export -f check_repo
-
-          parallel -j4 check_repo ::: circe/circe indeedeng/iwf-java-sdk
+      - uses: actions/checkout@v3
+        with:
+          path: sources
+          repository: spring-projects/spring-boot
+          
+      - run: | 
+          docker run -v $PWD/sources:/sources -w /sources sourcegraph/scip-java:latest-snapshot scip-java index
 
   bazel:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/community-build.yml b/.github/workflows/community-build.yml
new file mode 100644
index 00000000..e1774e75
--- /dev/null
+++ b/.github/workflows/community-build.yml
@@ -0,0 +1,101 @@
+name: Community build
+on:
+  push:
+    branches: [main]
+    tags: ["*"]
+  pull_request:
+  workflow_dispatch:
+    inputs:
+      scipJavaVersion:
+        description: 'Version of scip-java to run (if empty, main branch will be republished)'
+        required: false
+        default: ''
+        type: string
+      runGroup:
+        description: 'Which set of repos to run (quick runs a small number of small repos, full runs all)'
+        required: false
+        default: quick
+        type: choice
+        options:
+          - quick
+          - full
+
+
+jobs:
+  build_from_source:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: 11
+          cache: 'sbt'
+
+      - uses: sbt/setup-sbt@v1
+
+      - run: sbt cli/pack
+
+      - run: |
+          cd scip-java/target/pack && zip -r ../../../scip-java.zip .
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          path: scip-java.zip
+          name: scip-java-binary
+          if-no-files-found: error
+
+
+  community_build:
+    runs-on: ubuntu-latest
+    needs: [build_from_source]
+    strategy:
+      fail-fast: true
+      matrix:
+        include:
+          - repo: spring-projects/spring-data-relational
+            jdk: 17
+            group: quick
+
+          - repo: spring-projects/spring-framework
+            jdk: 17
+            group: full
+
+          - repo: spring-projects/spring-boot
+            jdk: 17
+            group: full
+    steps:
+      - name: Download binaries
+        uses: actions/download-artifact@v4
+        id: scip-java-binary
+        if: ${{ inputs.runGroup == matrix.group }}
+        with:
+          path: binaries
+
+      - name: Unpack scip-java build
+        if: ${{ inputs.runGroup == matrix.group }}
+        run: |
+          unzip binaries/scip-java-binary/scip-java.zip -d scip-java
+
+      - uses: actions/checkout@v3
+        if: ${{ inputs.runGroup == matrix.group }}
+        with:
+          repository: ${{ matrix.repo }}
+          path: sources
+
+      - uses: actions/setup-java@v3
+        if: ${{ inputs.runGroup == matrix.group }}
+        with:
+          distribution: 'temurin'
+          java-version: ${{ matrix.jdk }}
+
+      - run: ../scip-java/bin/scip-java index
+        if: ${{ inputs.runGroup == matrix.group }}
+        working-directory: sources
+
+
+