diff --git a/backend/tests/test_skills_bundled.py b/backend/tests/test_skills_bundled.py
new file mode 100644
index 000000000..0e99997a2
--- /dev/null
+++ b/backend/tests/test_skills_bundled.py
@@ -0,0 +1,31 @@
+"""Validate every bundled SKILL.md under skills/public/.
+
+Catches regressions like #2443 — a SKILL.md whose YAML front-matter fails to
+parse (e.g. an unquoted description containing a colon, which YAML interprets
+as a nested mapping). Each bundled skill is checked individually so the
+failure message identifies the exact file.
+"""
+
+from pathlib import Path
+
+import pytest
+
+from deerflow.skills.validation import _validate_skill_frontmatter
+
+SKILLS_PUBLIC_DIR = Path(__file__).resolve().parents[2] / "skills" / "public"
+BUNDLED_SKILL_DIRS = sorted(p.parent for p in SKILLS_PUBLIC_DIR.rglob("SKILL.md"))
+
+
+@pytest.mark.parametrize(
+    "skill_dir",
+    BUNDLED_SKILL_DIRS,
+    ids=lambda p: str(p.relative_to(SKILLS_PUBLIC_DIR)),
+)
+def test_bundled_skill_frontmatter_is_valid(skill_dir: Path) -> None:
+    valid, msg, name = _validate_skill_frontmatter(skill_dir)
+    assert valid, f"{skill_dir.relative_to(SKILLS_PUBLIC_DIR)}: {msg}"
+    assert name, f"{skill_dir.relative_to(SKILLS_PUBLIC_DIR)}: no name extracted"
+
+
+def test_skills_public_dir_has_skills() -> None:
+    assert BUNDLED_SKILL_DIRS, f"no SKILL.md found under {SKILLS_PUBLIC_DIR}"
diff --git a/skills/public/bootstrap/SKILL.md b/skills/public/bootstrap/SKILL.md
index 38698d2d4..ab328d5fb 100644
--- a/skills/public/bootstrap/SKILL.md
+++ b/skills/public/bootstrap/SKILL.md
@@ -1,6 +1,12 @@
 ---
 name: bootstrap
-description: Generate a personalized SOUL.md through a warm, adaptive onboarding conversation. Trigger when the user wants to create, set up, or initialize their AI partner's identity — e.g., "create my SOUL.md", "bootstrap my agent", "set up my AI partner", "define who you are", "let's do onboarding", "personalize this AI", "make you mine", or when a SOUL.md is missing. Also trigger for updates: "update my SOUL.md", "change my AI's personality", "tweak the soul".
+description: >-
+  Generate a personalized SOUL.md through a warm, adaptive onboarding conversation.
+  Trigger when the user wants to create, set up, or initialize their AI partner's
+  identity — e.g., "create my SOUL.md", "bootstrap my agent", "set up my AI
+  partner", "define who you are", "let's do onboarding", "personalize this AI",
+  "make you mine", or when a SOUL.md is missing. Also trigger for updates:
+  "update my SOUL.md", "change my AI's personality", "tweak the soul".
 ---
 
 # Bootstrap Soul
diff --git a/skills/public/chart-visualization/SKILL.md b/skills/public/chart-visualization/SKILL.md
index 7bc91344f..d7c6358d8 100644
--- a/skills/public/chart-visualization/SKILL.md
+++ b/skills/public/chart-visualization/SKILL.md
@@ -1,7 +1,7 @@
 ---
 name: chart-visualization
 description: This skill should be used when the user wants to visualize data. It intelligently selects the most suitable chart type from 26 available options, extracts parameters based on detailed specifications, and generates a chart image using a JavaScript script.
-dependency:
+compatibility:
   nodejs: ">=18.0.0"
 ---