ci(security): add OpenSSF Scorecard analysis and badge

.github/workflows/scorecard.yml

@@ -0,0 +1,38 @@
+name: Scorecard supply-chain security
+on:
+  branch_protection_rule:
+  schedule:
+    - cron: '30 6 * * 3'
+  push:
+    branches: [master]
+
+permissions: read-all
+
+jobs:
+  analysis:
+    name: Scorecard analysis
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      id-token: write
+      contents: read
+
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+
+      - uses: ossf/scorecard-action@2d1146689b8cda280b9bc96326124645441f03bc # v2.4.4
+        with:
+          results_file: results.sarif
+          results_format: sarif
+          publish: true
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: SARIF file
+          path: results.sarif
+
+      - uses: github/codeql-action/upload-sarif@db488ddef3bf6cb639b32c2e9a7c0a7ea8271d28 # v4
+        with:
+          sarif_file: results.sarif

README.md

@@ -1,5 +1,7 @@
 # MT5-Quant
 
+[![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/masdevid/mt5-quant/badge)](https://scorecard.dev/viewer/?uri=github.com/masdevid/mt5-quant)
+
 **MCP server for MT5 strategy development on macOS/Linux.** 89 tools to compile, backtest, analyze, optimize, debug crashes, and manage MQL5 Expert Advisors — no Windows required.
 
 ```