diff --git a/CHANGELOG.md b/CHANGELOG.md
index 671f8b25..3fa8373f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## Changelog
 
+- 2.8.7
+  - fixed OOM with better GC
+  - added new build-in report: `codacy` (codacy.json)
+
 - 2.8.6
   - improved performance
   - fixed warning message for adding empty istanbul coverage
diff --git a/lib/converter/converter.js b/lib/converter/converter.js
index d2bd919e..89229561 100644
--- a/lib/converter/converter.js
+++ b/lib/converter/converter.js
@@ -147,8 +147,7 @@ const handleLinesCoverage = (bytes, locator, ignoredRanges) => {
         blank: blankCount,
         comment: commentCount
     };
-    // data lines for codecov
-    // https://docs.codecov.com/docs/codecov-custom-coverage-format
+    // data lines
     const dataLines = {};
 
     // no ignore items
diff --git a/lib/generate.js b/lib/generate.js
index 801f8409..aec72702 100644
--- a/lib/generate.js
+++ b/lib/generate.js
@@ -90,6 +90,7 @@ const getReportGroup = (reports, lcov, dataType) => {
 
         // both
         'codecov': 'both',
+        'codacy': 'both',
         'console-details': 'both',
         'console-summary': 'both',
         'raw': 'both'
@@ -280,6 +281,42 @@ const handleCodecovReport = async (reportData, reportOptions, options) => {
     return Util.relativePath(jsonPath);
 };
 
+const handleCodacyReport = async (reportData, reportOptions, options) => {
+    const codacyOptions = {
+        outputFile: 'codacy.json',
+        ... reportOptions
+    };
+
+    const jsonPath = path.resolve(options.outputDir, codacyOptions.outputFile);
+
+    // https://api.codacy.com/swagger#tocscoveragereport
+    const fileReports = [];
+    reportData.files.forEach((item) => {
+        const { sourcePath, data } = item;
+
+        const coverage = {};
+        for (const [key, value] of Object.entries(data.lines)) {
+            if (typeof value === 'number') {
+                coverage[key] = value;
+            } else {
+                // partial coverage not supported?
+                coverage[key] = 0;
+            }
+        }
+
+        fileReports.push({
+            filename: sourcePath,
+            coverage
+        });
+    });
+    const codacyData = {
+        fileReports
+    };
+
+    await Util.writeFile(jsonPath, JSON.stringify(codacyData));
+    return Util.relativePath(jsonPath);
+};
+
 const handleConsoleDetailsReport = (reportData, reportOptions, options) => {
     const cdOptions = {
         maxCols: 50,
@@ -464,6 +501,7 @@ const generateCoverageReports = async (dataList, sourceCache, options) => {
 
     const buildInBothReports = {
         'codecov': handleCodecovReport,
+        'codacy': handleCodacyReport,
         'console-details': handleConsoleDetailsReport,
         'console-summary': handleConsoleSummaryReport,
         'raw': handleRawReport
diff --git a/lib/index.d.ts b/lib/index.d.ts
index 50f455fb..bc142722 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -107,6 +107,9 @@ declare namespace MCR {
         ['codecov'] | ["codecov", {
             outputFile?: string;
         }] |
+        ['codacy'] | ["codacy", {
+            outputFile?: string;
+        }] |
         ['console-summary'] | ['console-summary', {
             metrics?: Array<"bytes" | "statements" | "branches" | "functions" | "lines">;
         }] |
@@ -190,7 +193,7 @@ declare namespace MCR {
             branches?: CoverageRange[];
             functions?: CoverageRange[];
             ignores?: IgnoredRange[];
-            /** codecov json format */
+            /** common json format */
             lines: {
                 [key: string]: number | string;
             };