diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7fd133b..5f14f5f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -57,10 +57,29 @@ jobs:
       - name: Sync version
         run: node scripts/set-version.mjs "${{ needs.create-release.outputs.version }}"
 
+      # The automation runtime (tron snapshot/analyze/run/mcp/automate) is the
+      # compiled browser-core, agent-runtime and sdk packages, which
+      # build-release.sh stages only when it can build them. That takes pnpm and
+      # the workspace's dev dependencies; without this step the stage is skipped
+      # with a one-line note and every release ships without `sdk/`.
+      - name: Install workspace (for the automation runtime)
+        if: matrix.platform != 'windows'
+        run: |
+          corepack enable
+          corepack prepare pnpm@9.12.0 --activate
+          pnpm install --frozen-lockfile --filter @tronbrowser/sdk...
+
       - name: Package (linux/macos)
         if: matrix.platform != 'windows'
         run: bash apps/desktop/scripts/build-release.sh "v${{ needs.create-release.outputs.version }}" ${{ matrix.platform }}
 
+      - name: Check the automation runtime is in the archive
+        if: matrix.platform != 'windows'
+        run: |
+          if [ "${{ matrix.platform }}" = linux ]; then list="tar -tzf dist/tronbrowser-linux-x64.tar.gz"; else list="unzip -Z1 dist/tronbrowser-macos.zip"; fi
+          $list | grep -q 'sdk/automate-bin.js' \
+            || { echo "::error::release archive has no sdk/automate-bin.js (automation runtime was not staged)"; exit 1; }
+
       - name: Package (linux deb + rpm + AppImage)
         if: matrix.platform == 'linux'
         run: |
diff --git a/apps/desktop/scripts/build-release.sh b/apps/desktop/scripts/build-release.sh
index 558580f..97cdab2 100755
--- a/apps/desktop/scripts/build-release.sh
+++ b/apps/desktop/scripts/build-release.sh
@@ -42,7 +42,12 @@ stage_automation() { # dest dir
   local s="$1"
   command -v node >/dev/null 2>&1 && command -v pnpm >/dev/null 2>&1 || {
     echo "  ! automation runtime skipped (needs node + pnpm)"; return; }
-  if ( cd "$REPO_ROOT" && pnpm --filter @tronbrowser/browser-core --filter @tronbrowser/agent-runtime --filter @tronbrowser/sdk build >/dev/null 2>&1 ); then
+  # Keep the build log: a silent skip here shipped releases with no sdk/ for a
+  # while (nothing installed pnpm on the release runner) and the only trace was
+  # one line in the job log.
+  local log="$s/../automation-build.log"
+  if ( cd "$REPO_ROOT" && pnpm --filter @tronbrowser/browser-core --filter @tronbrowser/agent-runtime --filter @tronbrowser/sdk build >"$log" 2>&1 ); then
+    rm -f "$log"
     rm -rf "$s/automate" "$s/analyze" "$s/sdk"
     cp -R "$REPO_ROOT/packages/browser-core/dist" "$s/automate"
     printf '{\n  "type": "module"\n}\n' > "$s/automate/package.json"
@@ -52,7 +57,9 @@ stage_automation() { # dest dir
     printf '{\n  "type": "module"\n}\n' > "$s/sdk/package.json"
     echo "  + bundled automation + analyze + SDK (tron snapshot/extract/analyze/run)"
   else
-    echo "  ! automation runtime skipped (browser-core/agent-runtime/sdk build failed)"
+    echo "  ! automation runtime skipped (browser-core/agent-runtime/sdk build failed):"
+    tail -n 20 "$log" 2>/dev/null | sed 's/^/    /'
+    rm -f "$log"
   fi
 }
 
diff --git a/services/api/src/mcp/tron.ts b/services/api/src/mcp/tron.ts
index e255c02..edbea57 100644
--- a/services/api/src/mcp/tron.ts
+++ b/services/api/src/mcp/tron.ts
@@ -169,7 +169,8 @@ export function tronRelay(deps: TronRelayDeps = {}): TronRelay {
     c.json({
       ok: true,
       name: 'TronBrowser',
-      mcp: `${new URL(c.req.url).origin}/mcp/tron`,
+      // Railway terminates TLS, so the origin seen here is http://; report what the caller used.
+      mcp: `${(c.req.header('x-forwarded-proto') ?? new URL(c.req.url).protocol.replace(':', '')).split(',')[0]}://${new URL(c.req.url).host}/mcp/tron`,
       descriptor: DESCRIPTOR_URL,
       tools: toolNames,
       engines: engines