diff --git a/.github/workflows/osiris-subpar-coverage.yml b/.github/workflows/osiris-subpar-coverage.yml
new file mode 100644
index 000000000..5c4428530
--- /dev/null
+++ b/.github/workflows/osiris-subpar-coverage.yml
@@ -0,0 +1,116 @@
+name: Coverage Check for Osiris Generated AST files
+on:
+  pull_request:
+    paths:
+        - '**/*.ast'  # Only trigger if .ast files are changed
+    branches:
+      - main
+      - DOP-5399
+  workflow_dispatch:
+
+jobs:
+  check-coverage:
+    runs-on: ubuntu-latest
+    outputs:
+      site_coverage_list: ${{ steps.set_coverage.outputs.site_coverage_list }}
+      coverage_below_threshold: ${{ steps.set_coverage.outputs.coverage_below_threshold }}
+
+    steps:
+      - name: Checkout Repos
+        uses: actions/checkout@v4
+
+      - name: Install Wget
+        run: sudo apt-get update && sudo apt-get install -y wget
+
+      - name: Clone Docs Java
+        run: git clone --branch DOP-5399 https://github.com/mongodb/docs-java.git cloned-docs-java-repo
+
+      - name: Clone Osiris
+        run: git clone https://x-access-token:${{ secrets.PERSONAL_ACCESS_TOKEN }}@github.com/10gen/osiris.git cloned-osiris-repo
+
+      - name: Run Coverage Check
+        id: run_coverage
+        run: |
+          cd cloned-osiris-repo
+          npm ci
+          COVERAGE_OUTPUT=$(npm run dev -- -c "$GITHUB_WORKSPACE/cloned-docs-java-repo" -v --sp 95)
+
+          REQUIRED_COVERAGE=100.0
+          
+          # Extract all Average Coverage values below the threshold
+          SITE_COVERAGE_LIST=$(echo "$COVERAGE_OUTPUT" | awk -v threshold=$REQUIRED_COVERAGE '
+            /Average Coverage:/ {
+                coverage = $3 + 0;
+                if (coverage < threshold) {
+                    low_coverage_detected = 1;
+                    last_coverage = coverage;
+                } else {
+                    low_coverage_detected = 0;
+                }
+            }
+            /Finished processing site "/ {
+                if (low_coverage_detected) {
+                    site = $4;
+                    gsub(/"/, "", site);  # Extract site name
+                    print site ":" last_coverage;  # Store as site:coverage
+                }
+            }
+          ' | paste -sd ',' - )
+
+          # Print detected values
+          echo "Detected Coverage Below Threshold: $SITE_COVERAGE_LIST"
+
+          echo "Required Coverage: $REQUIRED_COVERAGE"
+
+          # Check if SITE_COVERAGE_LIST is empty or not
+          if [ -n "$SITE_COVERAGE_LIST" ]; then
+              echo "Test coverage is below the required threshold ($REQUIRED_COVERAGE%)."
+              echo "coverage_below_threshold=true" >> $GITHUB_ENV
+              echo "SITE_COVERAGE_LIST=$SITE_COVERAGE_LIST" >> $GITHUB_ENV
+          else
+              echo "Test coverage meets the required threshold."
+              echo "coverage_below_threshold=false" >> $GITHUB_ENV
+          fi
+
+      - name: Set Workflow Outputs
+        id: set_coverage
+        run: |
+          echo "coverage_below_threshold=${coverage_below_threshold}" >> $GITHUB_OUTPUT
+          echo "site_coverage_list=${SITE_COVERAGE_LIST}" >> $GITHUB_OUTPUT
+
+  send-slack-notification:
+    runs-on: ubuntu-latest
+    needs: check-coverage
+    if: needs.check-coverage.outputs.coverage_below_threshold == 'true'
+
+    steps:
+      - name: Send Slack Notification
+        env:
+          SITE_COVERAGE_LIST: ${{ needs.check-coverage.outputs.site_coverage_list }}
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+          REPOSITORY: ${{ github.repository }}
+          PR_TITLE: ${{ github.event.pull_request.title }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          PR_SHA: ${{ github.event.pull_request.head.sha }}
+        run: |
+          TEXT_MESSAGE="⚠️ *Test Coverage Alert* ⚠️\n\nThe test coverage is below the required threshold of 90%.\n\n*Sites with Low Coverage:* \n"
+
+          IFS=',' read -r -a SITE_COVERAGE_ARRAY <<< "$SITE_COVERAGE_LIST"
+
+          for item in "${SITE_COVERAGE_ARRAY[@]}"; do
+              site_name="${item%%:*}"
+              coverage_value="${item##*:}"
+              TEXT_MESSAGE+="• ${site_name}: ${coverage_value}%\n"
+          done
+
+          TEXT_MESSAGE+="\n*Repository:* <https://github.com/$REPOSITORY|$REPOSITORY>\n"
+          TEXT_MESSAGE+="*PR Title:* $PR_TITLE\n"
+          TEXT_MESSAGE+="*PR Number:* #$PR_NUMBER\n"
+          TEXT_MESSAGE+="*PR URL:* <$PR_URL|View PR>\n"
+          TEXT_MESSAGE+="*Commit SHA:* \`$PR_SHA\`\n\n"
+          TEXT_MESSAGE+="Please review the test coverage and take action if necessary."
+
+          curl -v -X POST -H 'Content-type: application/json' \
+            --data '{"text": "'"$TEXT_MESSAGE"'"}' \
+            $SLACK_WEBHOOK_URL
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 49c66f9d2..2a4b4a887 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,7 @@ giza.log
 .vscode*
 *.swp
 *.code-workspace
+
+# GitHub Actions
+.secrets
+event.json
\ No newline at end of file
diff --git a/osiris.toml b/osiris.toml
new file mode 100644
index 000000000..5fd8fcd3c
--- /dev/null
+++ b/osiris.toml
@@ -0,0 +1,39 @@
+[[sites]]
+name = "java-sync"
+url = "https://mongodb.github.io/mongo-java-driver/5.2/apidocs/mongodb-driver-sync/index.html"
+site_type = "java"
+source_dir = "source"
+output = "api-documentation/java-sync"
+
+[sites.href_mapping]
+"*//mongodb.github.io/mongo-java-driver/*/apidocs/mongodb-driver-sync/" = "/api-documentation/java-sync/"
+
+[[sites]]
+name = "core"
+url = "https://mongodb.github.io/mongo-java-driver/5.2/apidocs/mongodb-driver-core/index.html"
+site_type = "java"
+source_dir = "source"
+output = "api-documentation/core"
+
+[sites.href_mapping]
+"*//mongodb.github.io/mongo-java-driver/*/apidocs/mongodb-driver-core/" = "/api-documentation/core/"
+
+[[sites]]
+name = "scala"
+url = "https://mongodb.github.io/mongo-java-driver/5.1/apidocs/mongo-scala-driver/index.html"
+site_type = "scala"
+source_dir = "source"
+output = "api-documentation/scala"
+
+[sites.href_mapping]
+"*//mongodb.github.io/mongo-java-driver/*/apidocs/mongo-scala-driver/" = "/api-documentation/scala/"
+
+[[sites]]
+name = "kotlin"
+url = "https://mongodb.github.io/mongo-java-driver/5.3/apidocs/mongodb-driver-kotlin-sync/index.html"
+site_type = "kotlin"
+source_dir = "source"
+output = "api-documentation/kotlin"
+
+[sites.href_mapping]
+"*//mongodb.github.io/mongo-java-driver/*/apidocs/mongodb-driver-kotlin-sync/" = "/api-documentation/kotlin/"
\ No newline at end of file
diff --git a/source/api-documentation.txt b/source/api-documentation.txt
index 894200ee7..1edcde67b 100644
--- a/source/api-documentation.txt
+++ b/source/api-documentation.txt
@@ -28,5 +28,4 @@ API Documentation
     BSON Record Codec <{+api+}/apidocs/bson-record-codec/index.html>
     Core <{+api+}/apidocs/mongodb-driver-core/index.html>
     Java Driver (modern API) <{+api+}/apidocs/mongodb-driver-sync/index.html>
-    Java Driver (legacy API) <{+api+}/apidocs/mongodb-driver-legacy/index.html>
-    
+    Java Driver (legacy API) <{+api+}/apidocs/mongodb-driver-legacy/index.html>
\ No newline at end of file