diff --git a/agents/resources/automation-catalog.md b/agents/resources/automation-catalog.md
index 8c4fb16..87f7ba7 100644
--- a/agents/resources/automation-catalog.md
+++ b/agents/resources/automation-catalog.md
@@ -69,6 +69,11 @@ Therefore: submit to GSC + Bing Webmaster minimum on every FULL audit.
 - **Google Search Console** (FREE) — https://search.google.com/search-console
   Covers Google search + AI Overviews grounding. URL inspection tool
   requests live re-indexing (faster than waiting for crawl).
+- **Connexion GSC pour /seo (données réelles)** — `make seo-connect`
+  (depuis le repo claude-config, une fois par compte) : consentement
+  OAuth lecture seule (webmasters.readonly), stocke un refresh token
+  local (0600). Ensuite /seo FULL lit requêtes/positions/indexation
+  sans réinvite.
 - **IndexNow protocol** (FREE) — https://www.indexnow.org
   Proactive ping to Bing + Yandex + Seznam + DuckDuckGo. One-line
   API call per URL change. Plugins: Yoast (built-in), RankMath,
diff --git a/agents/seo-analyzer.md b/agents/seo-analyzer.md
index 0d0c1c2..21246ad 100644
--- a/agents/seo-analyzer.md
+++ b/agents/seo-analyzer.md
@@ -198,12 +198,18 @@ verify WebFetch + WebSearch available. If missing:
 
 ```
 PLUGIN CHECK
-curl/Bash    : YES (always)
-WebFetch     : YES / NO / N/A (LOCAL)
-WebSearch    : YES / NO / N/A (LOCAL)
-STATUS       : READY | DEGRADED (missing: <list>)
+curl/Bash       : YES (always)
+WebFetch        : YES / NO / N/A (LOCAL)
+WebSearch       : YES / NO / N/A (LOCAL)
+GSC/CrUX creds  : READY (account: <label>) | DEGRADED (no account — anonymous PageSpeed only)
+STATUS          : READY | DEGRADED (missing: <list>)
 ```
 
+GSC/CrUX creds status comes from the `(account, property)` passed in
+context (STEP 1). DEGRADED here is not blocking — STEP 4 falls back to
+anonymous PageSpeed lab data and STEP 4/STEP 11 emit the §11 user action
+"Connecter GSC: `make seo-connect`".
+
 ---
 
 ## STEP 4 — LIVE TECHNICAL AUDIT `[FULL only]`
@@ -244,7 +250,22 @@ Evaluate each present/missing:
 - **VSI** (Visual Stability Index) — new 2026 signal, Google Core Web
   Vitals 2.0
 
-Use PageSpeed Insights API (no auth needed for basic usage):
+When a GSC account+property were passed in context, fetch CrUX field
+data first (**tilde path mandatory** — this agent runs from the
+audited project's directory, not the claude-config repo):
+
+```bash
+bash ~/.claude/lib/seo-data/fetch.sh crux --url "https://$DOMAIN" --strategy mobile
+bash ~/.claude/lib/seo-data/fetch.sh crux --url "https://$DOMAIN" --strategy desktop
+```
+
+If `status=ok`, use `lcp_p75_ms` / `inp_p75_ms` / `cls_p75` as the
+PRIMARY CWV figures (75th percentile, real users). Keep the PageSpeed
+lab run below as a SECONDARY diagnostic. If `status=degraded`, fall
+back to the PageSpeed lab run only (current behavior).
+
+Use PageSpeed Insights API (no auth needed for basic usage) — SECONDARY
+diagnostic, or PRIMARY when CrUX degraded:
 
 ```bash
 curl -s "https://www.googleapis.com/pagespeedonline/v5/runPagespeed?url=https://$DOMAIN&strategy=mobile&category=PERFORMANCE&category=ACCESSIBILITY&category=BEST_PRACTICES&category=SEO" \
@@ -257,6 +278,23 @@ Extract (via jq if available, otherwise WebFetch to transform):
 - `lighthouseResult.audits.cumulative-layout-shift.numericValue`
 - Mobile + desktop separately
 
+### Performance GSC (90 j) `[FULL only, account+property present]`
+
+When STEP 0/STEP 1 recorded a GSC account+property (not "none"):
+
+```bash
+bash ~/.claude/lib/seo-data/fetch.sh queries --account "$GSC_ACCOUNT" --property "$GSC_PROPERTY" --days 90 --dim query
+bash ~/.claude/lib/seo-data/fetch.sh inspect --account "$GSC_ACCOUNT" --property "$GSC_PROPERTY" --url "https://$DOMAIN/"
+```
+
+Report: top queries; flag **QUICK WINS** = rows with position between 4
+and 10 AND high impressions (candidates to push onto page 1 with a
+title/meta/content tweak). Report index coverage from `inspect`. All
+emitted into SEO.md §2 (technical) and §8 (quick wins).
+
+If `status=degraded` → note it in §2 and emit the §11 user action
+"Connecter GSC: `make seo-connect`".
+
 ### SEO technical files
 
 ```bash
@@ -573,6 +611,10 @@ FIX: AUTO (<what agent will do>) | USER (<what user must do>)
 | Competitive position | 5% | 10% | |
 | Legal compliance | 10% | 5% | |
 
+**Technical axis note:** CWV scored on CrUX field data (75th percentile,
+real users, from STEP 4) when available; otherwise lab PageSpeed
+Lighthouse run.
+
 ### LOCAL depth — 4 axes
 
 | Axis | Weight (local B2C) | Weight (SaaS/national/content) | Score /20 |
diff --git a/lib/seo-data/seo-data.test.sh b/lib/seo-data/seo-data.test.sh
index cc05458..c09c469 100644
--- a/lib/seo-data/seo-data.test.sh
+++ b/lib/seo-data/seo-data.test.sh
@@ -117,6 +117,13 @@ tf "doctor checks seo-data"   "$REPO/doctor.sh"       "seo-data"
 tf "gitleaks allowlist store" "$REPO/.gitleaks.toml"  "seo-data/tokens"
 tf "gitignore venv"           "$REPO/.gitignore"      ".venv-seo-data"
 
+echo "── integration locks ──"
+tf "skill step0 account select" "$REPO/skills/seo/SKILL.md"      "COMPTE GOOGLE"
+tf "analyzer calls fetch crux"  "$REPO/agents/seo-analyzer.md"   "fetch.sh crux"
+tf "analyzer calls fetch queries" "$REPO/agents/seo-analyzer.md" "fetch.sh queries"
+tf "analyzer gsc subsection"    "$REPO/agents/seo-analyzer.md"   "Performance GSC"
+tf "catalog gsc oauth entry"    "$REPO/agents/resources/automation-catalog.md" "make seo-connect"
+
 echo ""
 echo "seo-data engine: $PASS pass, $FAIL fail"
 [ "$FAIL" -eq 0 ]
diff --git a/skills/seo/SKILL.md b/skills/seo/SKILL.md
index 979721f..378b93f 100644
--- a/skills/seo/SKILL.md
+++ b/skills/seo/SKILL.md
@@ -63,6 +63,43 @@ If `$ARGUMENTS` contains `local`/`code-only`/`quick`/`rapide` → default LOCAL.
 If `$ARGUMENTS` contains `full`/`complet`/`externe`/`live` → default FULL.
 If `$ARGUMENTS` contains a production URL → suggest FULL.
 
+### Compte Google (FULL only)
+
+**Skip if LOCAL** — jump straight to Business context.
+
+For FULL depth, offer to attach a connected Google account so the
+seo-analyzer can pull real GSC/CrUX data instead of anonymous PageSpeed
+only. List connected accounts (**tilde path mandatory** — this skill
+runs from the audited project's directory, not the claude-config repo):
+
+```bash
+bash ~/.claude/lib/seo-data/fetch.sh accounts
+```
+
+```
+COMPTE GOOGLE pour cet audit FULL :
+
+  1. <label> — <property 1>, <property 2>, ...
+  2. <label> — <property>
+  ...
+  [connecter un nouveau compte] — lancer `make seo-connect` (depuis le
+    repo claude-config, une fois par compte), puis relancer /seo
+  [Ignorer] — continuer sans GSC/CrUX (PageSpeed anonyme uniquement,
+    dégradation normale — cf. SEO.md §11)
+
+Quel compte / quelle property ? (numéro, ou "ignorer")
+```
+
+If `fetch.sh accounts` returns an empty list (`"accounts": []`), skip
+the numbered list and show only `[connecter un nouveau compte]` /
+`[Ignorer]`.
+
+Record the choice in the shared context block:
+```
+GSC ACCOUNT: <label> | none
+GSC PROPERTY: <property> | none
+```
+
 ### Business context (one grouped block)
 
 **Both depths:**
@@ -172,6 +209,8 @@ BUSINESS CONTEXT:
   Known citations: ...
   Known competitors: ...
   Time budget: ...
+  GSC account: <label> | none (FULL only)
+  GSC property: <property> | none (FULL only)
 
 You are the classical-SEO half of a parallel SEO+GEO audit. Do NOT
 audit GEO/AI signals (llms.txt, AI crawlers, QAPage/Speakable schemas,