diff --git a/install-and-build.sh b/install-and-build.sh
index bf37de316..ce5d11196 100644
--- a/install-and-build.sh
+++ b/install-and-build.sh
@@ -31,4 +31,5 @@ curl -LJO "https://github.com/sass/dart-sass/releases/download/${DART_SASS_VERSI
     tar -xf "${SASS_ARCHIVE}" && \
     rm "${SASS_ARCHIVE}" && \
     export PATH="${CURRENT_DIR}/dart-sass:${PATH}" && \
-    cd qdrant-landing && npm install && hugo --gc --minify --config config.toml,config-theme.toml --buildFuture -b ${DEPLOY_PRIME_URL}
+    cd qdrant-landing && npm install && hugo --gc --minify --config config.toml,config-theme.toml --buildFuture -b ${DEPLOY_PRIME_URL} && \
+    ./scripts/emit-md-aliases.sh public
diff --git a/qdrant-landing/scripts/emit-md-aliases.sh b/qdrant-landing/scripts/emit-md-aliases.sh
new file mode 100755
index 000000000..6669c1027
--- /dev/null
+++ b/qdrant-landing/scripts/emit-md-aliases.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+#
+# Publish every /path/index.md a second time as /path.md, the guessable form a
+# client can build from a URL without fetching the HTML first. Additions, never
+# moves: /llms.txt advertises the index.md URLs.
+#
+# A build step rather than a Netlify redirect because a splat has to be
+# terminal, so /articles/*.md is not a pattern Netlify accepts.
+set -euo pipefail
+
+PUBLIC="${1:-public}"
+[ -d "$PUBLIC" ] || { echo "md-aliases: no such directory: $PUBLIC" >&2; exit 1; }
+
+written=0
+skipped=0
+while IFS= read -r -d '' src; do
+  dir=$(dirname "$src")
+  # The site root would write a sibling of the publish directory, not a page.
+  [ "$dir" = "$PUBLIC" ] && continue
+  dest="${dir}.md"
+  if [ -e "$dest" ]; then
+    skipped=$((skipped + 1))
+    continue
+  fi
+  cp "$src" "$dest"
+  written=$((written + 1))
+done < <(find "$PUBLIC" -type f -name index.md -print0)
+
+echo "md-aliases: wrote ${written}, skipped ${skipped} (a file was already there)"
diff --git a/qdrant-landing/test/markdown/aliases.test.mjs b/qdrant-landing/test/markdown/aliases.test.mjs
new file mode 100644
index 000000000..63c5dca1a
--- /dev/null
+++ b/qdrant-landing/test/markdown/aliases.test.mjs
@@ -0,0 +1,40 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { execFileSync } from 'node:child_process';
+import { mkdtempSync, mkdirSync, writeFileSync, existsSync, rmSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+
+// node --test test/markdown/aliases.test.mjs
+const run = (dir) => execFileSync('bash', ['scripts/emit-md-aliases.sh', dir], { encoding: 'utf8' });
+
+function fixture() {
+  const out = mkdtempSync(join(tmpdir(), 'md-alias-'));
+  mkdirSync(join(out, 'articles', 'foo'), { recursive: true });
+  writeFileSync(join(out, 'articles', 'foo', 'index.md'), 'page\n');
+  writeFileSync(join(out, 'index.md'), 'home\n');
+  return out;
+}
+
+test('the site root does not write outside the publish directory', () => {
+  const out = fixture();
+  try {
+    run(out);
+    assert.ok(existsSync(join(out, 'articles', 'foo.md')), 'a page should gain its alias');
+    assert.ok(!existsSync(`${out}.md`), 'the root must not produce a sibling of the publish dir');
+  } finally {
+    rmSync(out, { recursive: true, force: true });
+  }
+});
+
+test('an existing file is never overwritten', () => {
+  const out = fixture();
+  try {
+    writeFileSync(join(out, 'articles', 'foo.md'), 'hand written\n');
+    run(out);
+    assert.equal(execFileSync('cat', [join(out, 'articles', 'foo.md')], { encoding: 'utf8' }),
+      'hand written\n', 'an existing alias must survive');
+  } finally {
+    rmSync(out, { recursive: true, force: true });
+  }
+});