diff --git a/README.md b/README.md
index f3a5164..496fb8a 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 
 Static analyzer for `SKILL.md` files. Validates frontmatter, body sizing, file references, and cross-agent compatibility against the [agentskills.io specification](https://agentskills.io/specification). No network calls. No LLM API calls. No file mutations.
 
-786 tests cover all rule modules.
+787 tests cover all rule modules.
 
 ## Install
 
diff --git a/src/skillcheck/config.py b/src/skillcheck/config.py
index 125d5b4..3295f14 100644
--- a/src/skillcheck/config.py
+++ b/src/skillcheck/config.py
@@ -36,6 +36,7 @@
 
 ECOSYSTEM_FIELDS: frozenset[str] = frozenset({
     "license",
+    "metadata",
     "repository",
     "homepage",
     "template",
diff --git a/tests/fixtures/metadata_field.md b/tests/fixtures/metadata_field.md
new file mode 100644
index 0000000..1cab641
--- /dev/null
+++ b/tests/fixtures/metadata_field.md
@@ -0,0 +1,15 @@
+---
+name: metadata-field
+description: Validates skills that carry nested marketplace metadata.
+metadata:
+  homepage: https://xquik.com
+  repository: https://github.com/Xquik-dev/tweetclaw
+  openclaw:
+    package: "@xquik/tweetclaw"
+    tags:
+      - twitter
+      - tweet-scraper
+      - openclaw-plugin
+---
+
+Body.
diff --git a/tests/test_v1_2_false_positive_fixes.py b/tests/test_v1_2_false_positive_fixes.py
index b0756ad..3ad2349 100644
--- a/tests/test_v1_2_false_positive_fixes.py
+++ b/tests/test_v1_2_false_positive_fixes.py
@@ -48,6 +48,10 @@ def test_license_field_is_ecosystem_info() -> None:
     _assert_ecosystem_field(FIXTURES_DIR / "license_field.md", "license")
 
 
+def test_metadata_field_is_ecosystem_info() -> None:
+    _assert_ecosystem_field(FIXTURES_DIR / "metadata_field.md", "metadata")
+
+
 def test_homepage_field_is_ecosystem_info() -> None:
     _assert_ecosystem_field(FIXTURES_DIR / "homepage_field.md", "homepage")