diff --git a/.github/workflows/docs-ci.yml b/.github/workflows/docs-ci.yml
index d3f4447..e662e8d 100644
--- a/.github/workflows/docs-ci.yml
+++ b/.github/workflows/docs-ci.yml
@@ -12,6 +12,14 @@ on:
         description: Fail when AGENTS.md is missing
         type: boolean
         default: true
+      syntax-roots:
+        description: Space-separated paths whose JSON/YAML files must parse (catalogs pass their docs paths, not implementation code)
+        type: string
+        default: "."
+      link-globs:
+        description: Space-separated, single-quoted globs of Markdown files whose relative links are checked
+        type: string
+        default: "'./**/*.md'"
 
 permissions:
   contents: read
@@ -27,6 +35,7 @@ jobs:
       - name: Check repository structure
         env:
           REQUIRE_AGENTS_MD: ${{ inputs.require-agents-md }}
+          SYNTAX_ROOTS: ${{ inputs.syntax-roots }}
         run: |
           python3 - <<'PY'
           import json, os, re, sys
@@ -62,7 +71,8 @@ jobs:
                       errors.append(f"{path}: missing '## Status' section")
 
           # Every JSON and YAML file must parse.
-          for root, dirs, files in os.walk("."):
+          roots = [r for r in os.environ.get("SYNTAX_ROOTS", ".").split() if os.path.exists(r)]
+          for root, dirs, files in (w for r in roots for w in os.walk(r)):
               dirs[:] = [d for d in dirs if d not in (".git", "node_modules")]
               for f in files:
                   path = os.path.join(root, f)
@@ -87,5 +97,5 @@ jobs:
       - uses: actions/checkout@v4
       - uses: lycheeverse/lychee-action@v2
         with:
-          args: --offline --no-progress './**/*.md'
+          args: --offline --no-progress ${{ inputs.link-globs }}
           fail: true