diff --git a/backend/src/ai/providers/anthropic.js b/backend/src/ai/providers/anthropic.js
index 9fa0bd0..0ca0903 100644
--- a/backend/src/ai/providers/anthropic.js
+++ b/backend/src/ai/providers/anthropic.js
@@ -161,3 +161,65 @@ export async function testConnection({ apiKey, model }) {
     .trim() || '(réponse vide)';
   return { reply, durationMs: Date.now() - started, usage: message.usage };
 }
+
+/**
+ * lookupInstitution() — recherche web automatique (outil natif Anthropic
+ * "web_search", exécuté côté serveur Anthropic) pour pré-remplir une fiche
+ * institution depuis l'admin (icône "baguette magique", InstitutionModal —
+ * demande Olivier 27/09/26) : au minimum une description succincte et le
+ * pays de domiciliation (code ISO 3166-1 alpha-2, cf. CountrySelect.jsx
+ * côté frontend).
+ *
+ * Contrairement à testConnection() (ping minimal, sans outil), cet appel
+ * n'est pas en streaming : pour un outil serveur, Anthropic exécute la/les
+ * recherche(s) et le tour de lecture des résultats en interne, la réponse
+ * finale (texte, éventuellement précédée de blocs server_tool_use /
+ * web_search_tool_result) arrivant en un seul message — donc pas de boucle
+ * côté client comme dans streamChat(), mais un appel qui peut prendre
+ * plusieurs secondes.
+ *
+ * @param {object} opts
+ * @param {string} opts.apiKey
+ * @param {string} opts.model
+ * @param {string} opts.nom     Nom de l'institution à rechercher
+ * @param {string} [opts.url]   URL du site officiel, si déjà connue (aide la recherche)
+ * @returns {Promise<{description:string, domiciliation:string|null, durationMs:number, sourcesCount:number}>}
+ */
+export async function lookupInstitution({ apiKey, model, nom, url }) {
+  const anthropic = new Anthropic({ apiKey });
+  const started = Date.now();
+
+  const prompt = [
+    `Recherche sur le web des informations fiables et à jour sur l'institution financière suivante : "${nom}"${url ? ` (site officiel présumé : ${url})` : ''}.`,
+    `C'est potentiellement une banque, néobanque, courtier, assureur, société de gestion ou établissement de paiement.`,
+    `Réponds UNIQUEMENT avec un objet JSON valide, sans aucun texte autour, au format exact :`,
+    `{"description": "<description succincte en français, 1 à 3 phrases : activité, statut/régulateur si pertinent>", "domiciliation": "<code pays ISO 3166-1 alpha-2 du siège social, ex. FR, LU, DE — null si inconnu>"}`,
+  ].join('\n');
+
+  const message = await anthropic.messages.create({
+    model,
+    max_tokens: 1024,
+    tools: [{ type: 'web_search_20260318', name: 'web_search', max_uses: 4 }],
+    messages: [{ role: 'user', content: prompt }],
+  });
+
+  const textBlocks = (message.content || []).filter((b) => b.type === 'text').map((b) => b.text);
+  const fullText = textBlocks.join('\n').trim();
+  const sourcesCount = (message.content || []).filter((b) => b.type === 'web_search_tool_result').length;
+
+  let parsed;
+  try {
+    const jsonMatch = fullText.match(/\{[\s\S]*\}/);
+    parsed = JSON.parse(jsonMatch ? jsonMatch[0] : fullText);
+  } catch (e) {
+    throw new Error(`Réponse du modèle non exploitable (JSON attendu) : ${fullText.slice(0, 200) || '(vide)'}`);
+  }
+
+  const description = typeof parsed.description === 'string' ? parsed.description.trim() : '';
+  let domiciliation = typeof parsed.domiciliation === 'string' ? parsed.domiciliation.trim().toUpperCase() : null;
+  if (domiciliation && !/^[A-Z]{2}$/.test(domiciliation)) domiciliation = null;
+
+  if (!description) throw new Error("Le modèle n'a renvoyé aucune description exploitable.");
+
+  return { description, domiciliation, durationMs: Date.now() - started, sourcesCount };
+}
diff --git a/backend/src/routes/institutionsReferentiel.js b/backend/src/routes/institutionsReferentiel.js
index 03086a4..9f54da1 100644
--- a/backend/src/routes/institutionsReferentiel.js
+++ b/backend/src/routes/institutionsReferentiel.js
@@ -7,6 +7,10 @@ import { fileURLToPath } from 'url';
 import sharp from 'sharp';
 import db from '../db/index.js';
 import { HttpError } from '../middleware/errorHandler.js';
+import { getDefaultActiveProvider } from '../ai/providerConfig.js';
+import { decryptSecret } from '../ai/crypto.js';
+import { lookupInstitution } from '../ai/providers/anthropic.js';
+import { audit } from '../utils/audit.js';
 
 /**
  * routes/institutionsReferentiel.js — Référentiel admin des institutions financières
@@ -281,4 +285,68 @@ router.delete('/:id/icone', (req, res, next) => {
   } catch (e) { next(e); }
 });
 
+
+// ── POST /api/institutions-referentiel/ai-lookup ────────────────────────────
+// Icône "baguette magique" d'InstitutionModal (demande Olivier 27/09/26) : recherche
+// web automatique via le connecteur IA (Admin > Intelligence artificielle), pour
+// pré-remplir au minimum description + domiciliation depuis le nom (et l'URL si
+// déjà saisie) tapés dans le formulaire — fonctionne aussi bien en création (avant
+// tout enregistrement) qu'en édition. Réponse toujours 200 : { ok:false, error }
+// n'est pas une erreur HTTP mais un échec applicatif (IA désactivée, aucun
+// fournisseur actif, type de fournisseur non pris en charge...) — même précédent
+// que POST /providers/:id/test dans adminAi.js.
+const AiLookupSchema = z.object({
+  nom: z.string().min(1).max(200),
+  url: z.string().url().optional().or(z.literal('')).nullable(),
+});
+
+router.post('/ai-lookup', async (req, res, next) => {
+  try {
+    const { nom, url } = AiLookupSchema.parse(req.body);
+
+    const config = db.prepare('SELECT actif FROM ai_config WHERE id = 1').get();
+    if (!config?.actif) {
+      return res.json({ ok: false, error: "L'Assistant IA n'est pas activé (Admin > Intelligence artificielle)." });
+    }
+
+    const provider = getDefaultActiveProvider();
+    if (!provider) {
+      return res.json({ ok: false, error: "Aucun fournisseur IA actif n'est configuré." });
+    }
+    // Seul le fournisseur "anthropic" (natif) expose l'outil de recherche web
+    // serveur utilisé par lookupInstitution() — un fournisseur openai_compatible
+    // n'a aucune garantie d'accès web réel selon le modèle/service derrière
+    // base_url, on préfère donc refuser explicitement plutôt que de renvoyer une
+    // réponse non vérifiée présentée comme une recherche internet.
+    if (provider.type !== 'anthropic') {
+      return res.json({
+        ok: false,
+        error: `La recherche web automatique n'est prise en charge que pour un fournisseur Anthropic (natif) — le fournisseur actif ("${provider.nom}") est de type "${provider.type}".`,
+      });
+    }
+
+    let apiKey;
+    try {
+      apiKey = decryptSecret(provider.api_key_chiffree);
+    } catch (e) {
+      throw new HttpError(500, `Impossible de déchiffrer la clé API : ${e.message}`);
+    }
+
+    try {
+      const result = await lookupInstitution({ apiKey, model: provider.modele, nom, url: url || undefined });
+      audit(req, {
+        action: 'institution_ai_lookup', category: 'ai', actorId: req.user.id,
+        details: { nom, ok: true, dureeMs: result.durationMs, sourcesCount: result.sourcesCount },
+      });
+      res.json({ ok: true, description: result.description, domiciliation: result.domiciliation, dureeMs: result.durationMs });
+    } catch (e) {
+      audit(req, {
+        action: 'institution_ai_lookup', category: 'ai', actorId: req.user.id,
+        details: { nom, ok: false, error: e.message },
+      });
+      res.json({ ok: false, error: e.message });
+    }
+  } catch (e) { next(e); }
+});
+
 export default router;
diff --git a/design/logos institution/Abaille assurances  -Logo.png b/design/logos institution/Abaille assurances  -Logo.png
new file mode 100644
index 0000000..4293df8
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diff --git a/design/logos institution/Amundi_logo.svg b/design/logos institution/Amundi_logo.svg
new file mode 100644
index 0000000..a33607e
--- /dev/null
+++ b/design/logos institution/Amundi_logo.svg	
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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+   height="404"
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diff --git a/design/logos institution/Logo Spirica.webp b/design/logos institution/Logo Spirica.webp
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diff --git a/design/logos institution/Logo-MAIF.png b/design/logos institution/Logo-MAIF.png
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diff --git a/design/logos institution/Nickel Logo.webp b/design/logos institution/Nickel Logo.webp
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diff --git a/design/logos institution/Paypal Logo.png b/design/logos institution/Paypal Logo.png
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diff --git a/design/logos institution/Qonto  Logo.svg b/design/logos institution/Qonto  Logo.svg
new file mode 100644
index 0000000..9150099
--- /dev/null
+++ b/design/logos institution/Qonto  Logo.svg	
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 1000 269.23077"
+   version="1.1"
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+   sodipodi:docname="A.svg"
+   width="1000"
+   height="269.23077"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata337">
+    <rdf:RDF>
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+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
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+       inkscape:connector-curvature="0"
+       style="fill:#6b5aed;fill-opacity:1" />
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+       class="fill-logo-2"
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+       inkscape:connector-curvature="0"
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+    <path
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+       class="fill-logo-2"
+       id="path325"
+       inkscape:connector-curvature="0"
+       style="fill:#6b5aed;fill-opacity:1" />
+    <path
+       d="M 3.5,20.1 C 5.6,18 8.4,16.8 11.4,16.6 11.2,19.5 10,22.3 7.9,24.4 5.7,26.5 3,27.7 0,27.9 c 0.2,-3 1.4,-5.8 3.5,-7.8 z"
+       class="fill-logo-2"
+       id="path327"
+       inkscape:connector-curvature="0"
+       style="fill:#6b5aed;fill-opacity:1" />
+  </g>
+</svg>
diff --git a/design/logos institution/Qonto-logo-nouveau.png b/design/logos institution/Qonto-logo-nouveau.png
new file mode 100644
index 0000000..467355c
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diff --git a/design/logos institution/Sogecap - Logo.jpg b/design/logos institution/Sogecap - Logo.jpg
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index 0000000..3fd80e4
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diff --git a/design/logos institution/allianz logo.png b/design/logos institution/allianz logo.png
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index 0000000..af85630
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diff --git a/design/logos institution/cnp-assurances - logo.png b/design/logos institution/cnp-assurances - logo.png
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index 0000000..c6d5703
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diff --git a/design/logos institution/interactive-brokers-vector-logo.png b/design/logos institution/interactive-brokers-vector-logo.png
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index 0000000..87798da
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diff --git a/design/logos institution/la-banque-postale-logo.jpg b/design/logos institution/la-banque-postale-logo.jpg
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index 0000000..3de1e55
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diff --git a/design/logos institution/logo tikehau-capital.webp b/design/logos institution/logo tikehau-capital.webp
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diff --git a/design/logos institution/logo-macif.png b/design/logos institution/logo-macif.png
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index 0000000..6a099d6
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diff --git a/design/logos institution/logo_-_suravenir.png b/design/logos institution/logo_-_suravenir.png
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diff --git a/design/logos institution/logo_grisbee.webp b/design/logos institution/logo_grisbee.webp
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diff --git a/design/logos institution/saxo-bank-logo.png b/design/logos institution/saxo-bank-logo.png
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index 0000000..1cf06d2
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diff --git a/design/logos institution/swisslife Logo.jpg b/design/logos institution/swisslife Logo.jpg
new file mode 100644
index 0000000..90d8906
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diff --git a/design/logos institution/trade-republic-logo-png.png b/design/logos institution/trade-republic-logo-png.png
new file mode 100644
index 0000000..2a0be3c
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diff --git a/design/logos institution/wise-logo.png b/design/logos institution/wise-logo.png
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diff --git a/frontend/src/pages/AdminInstitutions.jsx b/frontend/src/pages/AdminInstitutions.jsx
index 8fc76d2..b14948e 100644
--- a/frontend/src/pages/AdminInstitutions.jsx
+++ b/frontend/src/pages/AdminInstitutions.jsx
@@ -46,6 +46,10 @@ function IconChevronLeft() {
   return <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true"><polyline points="15 18 9 12 15 6"/></svg>;
 }
 
+function IconWand() {
+  return <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true"><path d="m21.64 3.64-1.28-1.28a1.21 1.21 0 0 0-1.72 0L2.36 18.64a1.21 1.21 0 0 0 0 1.72l1.28 1.28a1.2 1.2 0 0 0 1.72 0L21.64 5.36a1.2 1.2 0 0 0 0-1.72Z"/><path d="m14 7 3 3"/><path d="M5 6v4"/><path d="M19 14v4"/><path d="M10 2v2"/><path d="M7 8H3"/><path d="M21 16h-4"/><path d="M11 3H9"/></svg>;
+}
+
 /* ── Modale de création/édition d'une institution ────────────────
    Formulaire simple à un seul écran (contrairement au RefModal des plateformes, à 5 étapes) :
    une institution financière n'a qu'une poignée de champs, un wizard serait disproportionné. */
@@ -54,6 +58,9 @@ function InstitutionModal({ row, onClose, onSaved }) {
   const [categories, setCategories] = useState([]);
   const [err, setErr] = useState(null);
   const [saving, setSaving] = useState(false);
+  const [aiAvailable, setAiAvailable] = useState(false);
+  const [aiLoading, setAiLoading] = useState(false);
+  const [aiMsg, setAiMsg] = useState(null); // { ok:boolean, text:string }
 
   const [form, setForm] = useState({
     nom: row?.nom || '',
@@ -67,8 +74,40 @@ function InstitutionModal({ row, onClose, onSaved }) {
     api.get('/ref-categories-institutions').then(setCategories).catch(() => {});
   }, []);
 
+  // Icône « baguette magique » (demande Olivier 27/09/26) : visible seulement si le
+  // connecteur IA est activé (Admin > Intelligence artificielle) — la disponibilité d'un
+  // fournisseur compatible (Anthropic natif) est vérifiée côté serveur lors de l'appel.
+  useEffect(() => {
+    api.get('/admin/ai/config').then(cfg => setAiAvailable(!!cfg?.actif)).catch(() => setAiAvailable(false));
+  }, []);
+
   const set = (k, v) => setForm(f => ({ ...f, [k]: v }));
 
+  const handleAiLookup = async () => {
+    if (!form.nom.trim()) { setAiMsg({ ok: false, text: 'Renseignez le nom avant de lancer la recherche.' }); return; }
+    setAiLoading(true); setAiMsg(null);
+    try {
+      const r = await api.post('/institutions-referentiel/ai-lookup', {
+        nom: form.nom.trim(),
+        url: form.url.trim() || undefined,
+      });
+      if (r.ok) {
+        setForm(f => ({
+          ...f,
+          description: r.description || f.description,
+          domiciliation: r.domiciliation || f.domiciliation,
+        }));
+        setAiMsg({ ok: true, text: "Description et domiciliation renseignées automatiquement — vérifiez avant d'enregistrer." });
+      } else {
+        setAiMsg({ ok: false, text: r.error || 'Recherche IA indisponible.' });
+      }
+    } catch (ex) {
+      setAiMsg({ ok: false, text: ex.message });
+    } finally {
+      setAiLoading(false);
+    }
+  };
+
   const handleSubmit = async (e) => {
     e.preventDefault();
     if (!form.nom.trim()) { setErr('Le nom est requis.'); return; }
@@ -113,6 +152,21 @@ function InstitutionModal({ row, onClose, onSaved }) {
           <label>URL</label>
           <input value={form.url} onChange={e => set('url', e.target.value)} placeholder="https://…" />
         </div>
+        {aiAvailable && (
+          <div style={{ display: 'flex', alignItems: 'center', gap: 8, flexWrap: 'wrap' }}>
+            <button type="button" onClick={handleAiLookup} disabled={aiLoading || !form.nom.trim()}
+              style={{ display: 'inline-flex', alignItems: 'center', gap: 6, fontSize: 12, padding: '5px 10px',
+                border: '1px solid var(--border)', borderRadius: 6,
+                cursor: (aiLoading || !form.nom.trim()) ? 'not-allowed' : 'pointer',
+                background: 'var(--surface-2)', color: 'var(--text)', opacity: (aiLoading || !form.nom.trim()) ? 0.6 : 1 }}
+              title="Rechercher automatiquement sur le web (description, domiciliation) via l'Assistant IA">
+              <IconWand /> {aiLoading ? 'Recherche en cours…' : "Compléter avec l'IA"}
+            </button>
+            {aiMsg && (
+              <span style={{ fontSize: 12, color: aiMsg.ok ? '#16a34a' : '#dc2626' }}>{aiMsg.text}</span>
+            )}
+          </div>
+        )}
         <div>
           <label>Domiciliation</label>
           <CountrySelect value={form.domiciliation} onChange={code => set('domiciliation', code)} showCode />