diff --git a/.github/workflows/test-integration.yml b/.github/workflows/test-integration.yml
index 9cc416c..6022b46 100644
--- a/.github/workflows/test-integration.yml
+++ b/.github/workflows/test-integration.yml
@@ -18,6 +18,7 @@ on:
 env:
   SKETCHES_REPORTS_PATH: sketches-reports
   TESTDATA_SKETCHES_PATH: .github/workflows/testdata/sketches
+  TESTDATA_REPORTS_PATH:  .github/workflows/testdata/reports
 
 jobs:
   default-inputs:
@@ -87,6 +88,84 @@ jobs:
           sketches-report-path: ${{ env.SKETCHES_REPORTS_PATH }}
           verbose: true
 
+      - name: Set report artifact name
+        id: report-artifact-name
+        run: |
+          echo "::set-output name=report-artifact-name::${{ github.job }}"
+
+      - name: Save sketches report as workflow artifact
+        uses: actions/upload-artifact@v2
+        with:
+          path: sketches-reports
+          name: ${{ steps.report-artifact-name.outputs.report-artifact-name }}
+
+    outputs:
+      report-artifact-name: ${{ steps.report-artifact-name.outputs.report-artifact-name }}
+
+
+  check-sketches-reports:
+    needs: all-inputs
+    runs-on: ubuntu-latest
+
+    steps:
+      # Checkout is needed to get the golden reports
+      - name: Checkout local repo
+        uses: actions/checkout@v2
+
+      - name: Download sketches reports artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: ${{ needs.all-inputs.outputs.report-artifact-name }}
+          path: ${{ env.SKETCHES_REPORTS_PATH }}
+
+      - name: Compare generated sketches report to golden report
+        run: |
+          # The commit hash changes on every push, so it can't be compared against the golden report
+          if [[ "$GITHUB_EVENT_NAME" == "pull_request" ]]; then
+            COMMIT_HASH="${{ github.event.pull_request.head.sha }}"
+          else
+            COMMIT_HASH="$(git rev-parse HEAD)"
+          fi
+
+          set +o errexit  # Unset errexit so the results of all report comparisons are shown before exiting
+          EXIT_STATUS=0
+          while read -r reportPath; do
+            echo "Sketches report $reportPath matches expected:"
+
+            (
+              # Check static report components against golden reports
+              jq \
+                --null-input \
+                --exit-status \
+                --slurpfile generated "$reportPath" \
+                --slurpfile golden "${{ env.TESTDATA_REPORTS_PATH }}/${{ needs.all-inputs.outputs.report-artifact-name }}/$(basename "$reportPath")" \
+                '($generated|.[0].boards) == ($golden|.[0].boards)'
+            ) && (
+              # Check the commit_hash value
+              jq \
+                --null-input \
+                --exit-status \
+                --slurpfile generated "$reportPath" \
+                --arg commit_hash "$COMMIT_HASH" \
+                '$generated|.[0].commit_hash == $commit_hash|.'
+            ) && (
+              # Check the commit_url value
+              jq \
+                --null-input \
+                --exit-status \
+                --slurpfile generated "$reportPath" \
+                --arg commit_url "${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/commit/${COMMIT_HASH}" \
+                '$generated|.[0].commit_url == $commit_url|.'
+            )
+
+            if [[ $? -ne 0 ]]; then
+              echo "::error::Sketches report $reportPath mismatch."
+              EXIT_STATUS=1
+            fi
+          done <<<"$(find "${{ env.SKETCHES_REPORTS_PATH }}" -type f -and -name '*.json')"
+
+          exit $EXIT_STATUS
+
 
   expected-failed-compilation:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/testdata/reports/all-inputs/arduino-avr-uno.json b/.github/workflows/testdata/reports/all-inputs/arduino-avr-uno.json
new file mode 100644
index 0000000..ebf7b42
--- /dev/null
+++ b/.github/workflows/testdata/reports/all-inputs/arduino-avr-uno.json
@@ -0,0 +1,147 @@
+{
+  "commit_hash": "d4343a2e7d8123726f2c53d2ac186df41b59e946",
+  "commit_url": "https://github.com/arduino/compile-sketches/commit/d4343a2e7d8123726f2c53d2ac186df41b59e946",
+  "boards": [
+    {
+      "board": "arduino:avr:uno",
+      "sketches": [
+        {
+          "name": ".github/workflows/testdata/sketches/BareMinimum",
+          "compilation_success": true,
+          "sizes": [
+            {
+              "name": "flash",
+              "maximum": 32256,
+              "current": {
+                "absolute": 444,
+                "relative": 1.38
+              },
+              "previous": {
+                "absolute": 444,
+                "relative": 1.38
+              },
+              "delta": {
+                "absolute": 0,
+                "relative": 0.0
+              }
+            },
+            {
+              "name": "RAM for global variables",
+              "maximum": 2048,
+              "current": {
+                "absolute": 9,
+                "relative": 0.44
+              },
+              "previous": {
+                "absolute": 9,
+                "relative": 0.44
+              },
+              "delta": {
+                "absolute": 0,
+                "relative": 0.0
+              }
+            }
+          ],
+          "warnings": {
+            "current": {
+              "absolute": 0
+            },
+            "previous": {
+              "absolute": 0
+            },
+            "delta": {
+              "absolute": 0
+            }
+          }
+        },
+        {
+          "name": ".github/workflows/testdata/sketches/ServoLibrary",
+          "compilation_success": true,
+          "sizes": [
+            {
+              "name": "flash",
+              "maximum": 32256,
+              "current": {
+                "absolute": 888,
+                "relative": 2.75
+              },
+              "previous": {
+                "absolute": 888,
+                "relative": 2.75
+              },
+              "delta": {
+                "absolute": 0,
+                "relative": 0.0
+              }
+            },
+            {
+              "name": "RAM for global variables",
+              "maximum": 2048,
+              "current": {
+                "absolute": 46,
+                "relative": 2.25
+              },
+              "previous": {
+                "absolute": 46,
+                "relative": 2.25
+              },
+              "delta": {
+                "absolute": 0,
+                "relative": 0.0
+              }
+            }
+          ],
+          "warnings": {
+            "current": {
+              "absolute": 0
+            },
+            "previous": {
+              "absolute": 0
+            },
+            "delta": {
+              "absolute": 0
+            }
+          }
+        }
+      ],
+      "sizes": [
+        {
+          "name": "flash",
+          "maximum": 32256,
+          "delta": {
+            "absolute": {
+              "minimum": 0,
+              "maximum": 0
+            },
+            "relative": {
+              "minimum": 0.0,
+              "maximum": 0.0
+            }
+          }
+        },
+        {
+          "name": "RAM for global variables",
+          "maximum": 2048,
+          "delta": {
+            "absolute": {
+              "minimum": 0,
+              "maximum": 0
+            },
+            "relative": {
+              "minimum": 0.0,
+              "maximum": 0.0
+            }
+          }
+        }
+      ],
+      "warnings": {
+        "delta": {
+          "absolute": {
+            "minimum": 0,
+            "maximum": 0
+          }
+        }
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/.github/workflows/testdata/reports/all-inputs/esp8266-esp8266-huzzah.json b/.github/workflows/testdata/reports/all-inputs/esp8266-esp8266-huzzah.json
new file mode 100644
index 0000000..6876eef
--- /dev/null
+++ b/.github/workflows/testdata/reports/all-inputs/esp8266-esp8266-huzzah.json
@@ -0,0 +1,147 @@
+{
+  "commit_hash": "d4343a2e7d8123726f2c53d2ac186df41b59e946",
+  "commit_url": "https://github.com/arduino/compile-sketches/commit/d4343a2e7d8123726f2c53d2ac186df41b59e946",
+  "boards": [
+    {
+      "board": "esp8266:esp8266:huzzah",
+      "sketches": [
+        {
+          "name": ".github/workflows/testdata/sketches/BareMinimum",
+          "compilation_success": true,
+          "sizes": [
+            {
+              "name": "flash",
+              "maximum": 1044464,
+              "current": {
+                "absolute": 256684,
+                "relative": 24.58
+              },
+              "previous": {
+                "absolute": 256684,
+                "relative": 24.58
+              },
+              "delta": {
+                "absolute": 0,
+                "relative": 0.0
+              }
+            },
+            {
+              "name": "RAM for global variables",
+              "maximum": 81920,
+              "current": {
+                "absolute": 26776,
+                "relative": 32.69
+              },
+              "previous": {
+                "absolute": 26776,
+                "relative": 32.69
+              },
+              "delta": {
+                "absolute": 0,
+                "relative": 0.0
+              }
+            }
+          ],
+          "warnings": {
+            "current": {
+              "absolute": 0
+            },
+            "previous": {
+              "absolute": 0
+            },
+            "delta": {
+              "absolute": 0
+            }
+          }
+        },
+        {
+          "name": ".github/workflows/testdata/sketches/ServoLibrary",
+          "compilation_success": true,
+          "sizes": [
+            {
+              "name": "flash",
+              "maximum": 1044464,
+              "current": {
+                "absolute": 256684,
+                "relative": 24.58
+              },
+              "previous": {
+                "absolute": 256684,
+                "relative": 24.58
+              },
+              "delta": {
+                "absolute": 0,
+                "relative": 0.0
+              }
+            },
+            {
+              "name": "RAM for global variables",
+              "maximum": 81920,
+              "current": {
+                "absolute": 26776,
+                "relative": 32.69
+              },
+              "previous": {
+                "absolute": 26776,
+                "relative": 32.69
+              },
+              "delta": {
+                "absolute": 0,
+                "relative": 0.0
+              }
+            }
+          ],
+          "warnings": {
+            "current": {
+              "absolute": 0
+            },
+            "previous": {
+              "absolute": 0
+            },
+            "delta": {
+              "absolute": 0
+            }
+          }
+        }
+      ],
+      "sizes": [
+        {
+          "name": "flash",
+          "maximum": 1044464,
+          "delta": {
+            "absolute": {
+              "minimum": 0,
+              "maximum": 0
+            },
+            "relative": {
+              "minimum": 0.0,
+              "maximum": 0.0
+            }
+          }
+        },
+        {
+          "name": "RAM for global variables",
+          "maximum": 81920,
+          "delta": {
+            "absolute": {
+              "minimum": 0,
+              "maximum": 0
+            },
+            "relative": {
+              "minimum": 0.0,
+              "maximum": 0.0
+            }
+          }
+        }
+      ],
+      "warnings": {
+        "delta": {
+          "absolute": {
+            "minimum": 0,
+            "maximum": 0
+          }
+        }
+      }
+    }
+  ]
+}
\ No newline at end of file