diff --git a/.github/workflows/gate.yml b/.github/workflows/gate.yml
index 7176684..d6ee960 100644
--- a/.github/workflows/gate.yml
+++ b/.github/workflows/gate.yml
@@ -22,6 +22,9 @@ jobs:
       - name: Install deps
         run: pip install pyyaml pytest
 
+      - name: Validate Agent Plugins 1.0.0 conformance
+        run: python3 scripts/validate_agent_plugins.py
+
       - name: Validate skill contracts
         run: python3 scripts/validate_skills.py
 
@@ -36,3 +39,20 @@ jobs:
 
       - name: Smoke tests
         run: python3 -m pytest tests/skill-smoke-tests/ -q
+
+      # Advisory: validates against UPSTREAM rather than our transcription of it,
+      # so it catches spec drift early. Network-dependent, so it warns instead of
+      # blocking — validate_agent_plugins.py above is the deterministic gate.
+      - name: Independent conformance check (upstream reference validator)
+        continue-on-error: true
+        run: |
+          pipx install uv >/dev/null 2>&1 || pip install uv
+          for skill in skills/*/; do
+            uvx --quiet --from \
+              'git+https://github.com/agentskills/agentskills.git#subdirectory=skills-ref' \
+              skills-ref validate "$skill" || exit 1
+          done
+          uvx --quiet check-jsonschema \
+            --schemafile https://agent-plugins.org/schemas/1.0.0/plugin.schema.json plugin.json
+          uvx --quiet check-jsonschema \
+            --schemafile https://agent-plugins.org/schemas/1.0.0/mcp.schema.json mcp.json
diff --git a/research/coverage-matrix.md b/research/coverage-matrix.md
index 41d029b..8862d70 100644
--- a/research/coverage-matrix.md
+++ b/research/coverage-matrix.md
@@ -6,7 +6,11 @@ Tracks skill status for every first-wave service. Update whenever a skill progre
 
 **v0.1 target:** All first-wave services at `validated` before release tag.
 
-Last updated: 2026-07-23 (Phase 1 crawl complete — 75/75 sources resolve, 70 unique URLs live, gate green)
+**v0.2 target:** every skill conformant with the [Agent Skills specification](https://agentskills.io/specification)
+and discoverable under [Agent Plugins 1.0.0](https://agent-plugins.org/specification) — met at v0.2.0
+(17/17 valid per the upstream `skills-ref` reference validator).
+
+Last updated: 2026-08-07 (v0.2.0 — Agent Plugins 1.0.0 conformance; 17/17 skills valid, 102 URLs resolve, gate green)
 
 ---