feat: add GitHub Actions workflow for publishing to npm and MCP Registry

Author: ClaudioESSilva

.github/workflows/publish.yml

@@ -0,0 +1,40 @@
+name: Publish
+
+on:
+  release:
+    types: [created]
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write   # required for github-oidc login
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Install & build
+        run: npm ci && npm run build
+
+      - name: Publish to npm
+        run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Install mcp-publisher
+        run: |
+          curl -fsSL "https://github.com/modelcontextprotocol/registry/releases/latest/download/mcp-publisher_$(uname -s | tr '[:upper:]' '[:lower:]')_$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/').tar.gz" \
+            | tar xz mcp-publisher
+
+      - name: Login to MCP Registry
+        run: ./mcp-publisher login github-oidc
+
+      - name: Publish to MCP Registry
+        run: ./mcp-publisher publish