diff --git a/my-blog/static/css/style.css b/my-blog/static/css/style.css
index d0a80d0..fbb2138 100644
--- a/my-blog/static/css/style.css
+++ b/my-blog/static/css/style.css
@@ -200,7 +200,7 @@ a.view-markdown:any-link {
 /* Main Content */
 .main-content {
 	grid-area: main;
-	max-width: 1000px;
+	max-width: 800px;
 	margin: 0 auto;
 	padding: 0px;
 	width: 100%;
@@ -969,6 +969,41 @@ article.article-content {
     .question-form {
         padding: 12px !important;
     }
+}
+
+/* Profile Display Styles */
+.profile-avatar-fallback {
+    width: 40px;
+    height: 40px;
+    border-radius: 50%;
+    background: var(--theme-color);
+    color: var(--white);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 16px;
+    font-weight: 700;
+}
+
+.admin-badge {
+    background: var(--theme-color);
+    color: var(--white);
+    font-size: 10px;
+    padding: 2px 6px;
+    border-radius: 10px;
+    font-weight: 500;
+    margin-left: 8px;
+}
+
+.loading-message, .error-message, .no-profiles {
+    text-align: center;
+    padding: 20px;
+    color: var(--dark-gray);
+}
+
+.error-message {
+    color: #d32f2f;
+}
     
     .input-container {
         flex-direction: column !important;
diff --git a/my-blog/static/js/ask-ai.js b/my-blog/static/js/ask-ai.js
index 824a3b4..2dbebae 100644
--- a/my-blog/static/js/ask-ai.js
+++ b/my-blog/static/js/ask-ai.js
@@ -37,10 +37,74 @@ function checkAuthenticationStatus() {
             document.getElementById('aiQuestion').focus();
         }, 50);
     } else {
-        // User not authenticated - show auth message
-        document.getElementById('authCheck').style.display = 'block';
+        // User not authenticated - show profiles instead of auth message
+        document.getElementById('authCheck').style.display = 'none';
         document.getElementById('chatForm').style.display = 'none';
-        document.getElementById('chatHistory').style.display = 'none';
+        document.getElementById('chatHistory').style.display = 'block';
+        loadAndShowProfiles();
+    }
+}
+
+// Load and display profiles from ai.syui.log.profile collection
+async function loadAndShowProfiles() {
+    const chatHistory = document.getElementById('chatHistory');
+    chatHistory.innerHTML = '<div class="loading-message">Loading profiles...</div>';
+    
+    try {
+        const ADMIN_HANDLE = 'ai.syui.ai';
+        const OAUTH_COLLECTION = 'ai.syui.log';
+        const ATPROTO_PDS = 'syu.is';
+        
+        const response = await fetch(`https://${ATPROTO_PDS}/xrpc/com.atproto.repo.listRecords?repo=${ADMIN_HANDLE}&collection=${OAUTH_COLLECTION}.profile&limit=100`);
+        
+        if (!response.ok) {
+            throw new Error('Failed to fetch profiles');
+        }
+        
+        const data = await response.json();
+        const profiles = (data.records || []).sort((a, b) => {
+            if (a.value.type === 'admin' && b.value.type !== 'admin') return -1;
+            if (a.value.type !== 'admin' && b.value.type === 'admin') return 1;
+            return 0;
+        });
+        
+        // Clear loading message
+        chatHistory.innerHTML = '';
+        
+        // Display profiles using the same format as chat
+        profiles.forEach(profile => {
+            const profileDiv = document.createElement('div');
+            profileDiv.className = 'chat-message ai-message comment-style';
+            
+            const avatarElement = profile.value.author.avatar 
+                ? `<img src="${profile.value.author.avatar}" alt="${profile.value.author.displayName || profile.value.author.handle}" class="profile-avatar">`
+                : `<div class="profile-avatar-fallback">${(profile.value.author.displayName || profile.value.author.handle || '?').charAt(0).toUpperCase()}</div>`;
+            
+            const adminBadge = profile.value.type === 'admin' 
+                ? '<span class="admin-badge">Admin</span>' 
+                : '';
+            
+            profileDiv.innerHTML = `
+                <div class="message-header">
+                    <div class="avatar">${avatarElement}</div>
+                    <div class="user-info">
+                        <div class="display-name">${profile.value.author.displayName || profile.value.author.handle} ${adminBadge}</div>
+                        <div class="handle">@${profile.value.author.handle}</div>
+                        <div class="timestamp">${new Date(profile.value.createdAt).toLocaleString()}</div>
+                    </div>
+                </div>
+                <div class="message-content">${profile.value.text}</div>
+            `;
+            chatHistory.appendChild(profileDiv);
+        });
+        
+        if (profiles.length === 0) {
+            chatHistory.innerHTML = '<div class="no-profiles">No profiles available</div>';
+        }
+        
+    } catch (error) {
+        console.error('Error loading profiles:', error);
+        chatHistory.innerHTML = '<div class="error-message">Failed to load profiles. Please try again later.</div>';
     }
 }
 
diff --git a/oauth/src/App.css b/oauth/src/App.css
index 03439b4..f403a2f 100644
--- a/oauth/src/App.css
+++ b/oauth/src/App.css
@@ -34,6 +34,96 @@ body {
   background: var(--background);
 }
 
+/* Profile Form Styles */
+.profile-form-container {
+  background: var(--background-secondary);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  padding: 20px;
+  margin-bottom: 20px;
+}
+
+.profile-form-container h3 {
+  margin: 0 0 16px 0;
+  color: var(--text);
+}
+
+.profile-form .form-row {
+  display: flex;
+  gap: 16px;
+  margin-bottom: 16px;
+}
+
+.profile-form .form-group {
+  flex: 1;
+}
+
+.profile-form .form-group label {
+  display: block;
+  margin-bottom: 6px;
+  font-weight: 600;
+  color: var(--text);
+}
+
+.profile-form .form-group input,
+.profile-form .form-group select,
+.profile-form .form-group textarea {
+  width: 100%;
+  padding: 8px 12px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  font-size: 14px;
+  transition: border-color 0.2s;
+}
+
+.profile-form .form-group input:focus,
+.profile-form .form-group select:focus,
+.profile-form .form-group textarea:focus {
+  outline: none;
+  border-color: var(--primary);
+}
+
+.profile-form .form-group textarea {
+  resize: vertical;
+  min-height: 80px;
+}
+
+.profile-form .submit-btn {
+  background: var(--primary);
+  color: white;
+  border: none;
+  padding: 10px 20px;
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 14px;
+  font-weight: 500;
+  transition: background-color 0.2s;
+}
+
+.profile-form .submit-btn:hover:not(:disabled) {
+  background: var(--primary-hover);
+}
+
+.profile-form .submit-btn:disabled {
+  background: var(--text-secondary);
+  cursor: not-allowed;
+}
+
+/* Profile Record List Styles */
+.profile-record-list .record-item.admin {
+  border-left: 4px solid var(--primary);
+}
+
+.profile-record-list .admin-badge {
+  background: var(--primary);
+  color: white;
+  font-size: 10px;
+  padding: 2px 6px;
+  border-radius: 10px;
+  font-weight: 500;
+  margin-left: 8px;
+}
+
 /* Header */
 .oauth-app-header {
   background: var(--background);
@@ -264,7 +354,7 @@ body {
 
 .main-content {
 	grid-area: main;
-	max-width: 1000px;
+	max-width: 800px;
 	margin: 0 auto;
 	padding: 0px;
 	width: 100%;
diff --git a/oauth/src/App.jsx b/oauth/src/App.jsx
index b684ea5..490a4b8 100644
--- a/oauth/src/App.jsx
+++ b/oauth/src/App.jsx
@@ -7,6 +7,7 @@ import { usePageContext } from './hooks/usePageContext.js'
 import AuthButton from './components/AuthButton.jsx'
 import RecordTabs from './components/RecordTabs.jsx'
 import CommentForm from './components/CommentForm.jsx'
+import ProfileForm from './components/ProfileForm.jsx'
 import AskAI from './components/AskAI.jsx'
 import TestUI from './components/TestUI.jsx'
 import OAuthCallback from './components/OAuthCallback.jsx'
@@ -428,6 +429,20 @@ Answer:`
             </div>
           )}
 
+          {user && (
+            <div className="profile-form">
+              <ProfileForm
+                user={user}
+                agent={agent}
+                apiConfig={adminData.apiConfig}
+                onProfilePosted={() => {
+                  refreshAdminData?.()
+                  refreshUserData?.()
+                }}
+              />
+            </div>
+          )}
+
           <RecordTabs 
             langRecords={langRecords}
             commentRecords={commentRecords}
diff --git a/oauth/src/api/atproto.js b/oauth/src/api/atproto.js
index af6ddbb..80623d5 100644
--- a/oauth/src/api/atproto.js
+++ b/oauth/src/api/atproto.js
@@ -58,7 +58,8 @@ async function request(url, options = {}) {
 
 export const atproto = {
   async getDid(pds, handle) {
-    const res = await request(`https://${pds}/xrpc/${ENDPOINTS.describeRepo}?repo=${handle}`)
+    const endpoint = pds.startsWith('http') ? pds : `https://${pds}`
+    const res = await request(`${endpoint}/xrpc/${ENDPOINTS.describeRepo}?repo=${handle}`)
     return res.did
   },
 
@@ -179,6 +180,16 @@ export const collections = {
     return data
   },
 
+  async getProfiles(pds, repo, collection, limit = 100) {
+    const cacheKey = dataCache.generateKey('profiles', pds, repo, collection, limit)
+    const cached = dataCache.get(cacheKey)
+    if (cached) return cached
+    
+    const data = await atproto.getRecords(pds, repo, `${collection}.profile`, limit)
+    dataCache.set(cacheKey, data)
+    return data
+  },
+
   // 投稿後にキャッシュを無効化
   invalidateCache(collection) {
     dataCache.invalidatePattern(collection)
diff --git a/oauth/src/components/ProfileForm.jsx b/oauth/src/components/ProfileForm.jsx
new file mode 100644
index 0000000..f7c6911
--- /dev/null
+++ b/oauth/src/components/ProfileForm.jsx
@@ -0,0 +1,160 @@
+import React, { useState } from 'react'
+import { atproto } from '../api/atproto.js'
+import { collections } from '../api/atproto.js'
+
+const ProfileForm = ({ user, agent, apiConfig, onProfilePosted }) => {
+  const [text, setText] = useState('')
+  const [type, setType] = useState('user')
+  const [handle, setHandle] = useState('')
+  const [rkey, setRkey] = useState('')
+  const [posting, setPosting] = useState(false)
+  const [error, setError] = useState('')
+
+  const handleSubmit = async (e) => {
+    e.preventDefault()
+    
+    if (!text.trim() || !handle.trim() || !rkey.trim()) {
+      setError('すべてのフィールドを入力してください')
+      return
+    }
+
+    setPosting(true)
+    setError('')
+
+    try {
+      // Get handle information
+      let authorData
+      try {
+        const handleDid = await atproto.getDid(apiConfig.pds, handle)
+        authorData = await atproto.getProfile(apiConfig.bsky, handleDid)
+      } catch (err) {
+        throw new Error('ハンドルが見つかりません')
+      }
+
+      // Create record
+      const record = {
+        repo: user.did,
+        collection: `${apiConfig.collection}.profile`,
+        rkey: rkey,
+        record: {
+          $type: `${apiConfig.collection}.profile`,
+          text: text,
+          type: type,
+          author: {
+            did: authorData.did,
+            handle: authorData.handle,
+            displayName: authorData.displayName || authorData.handle,
+            avatar: authorData.avatar || null
+          },
+          createdAt: new Date().toISOString(),
+          post: {
+            url: window.location.origin,
+            date: new Date().toISOString(),
+            slug: '',
+            tags: [],
+            title: 'Profile',
+            language: 'ja'
+          }
+        }
+      }
+
+      await atproto.putRecord(apiConfig.pds, record, agent)
+      
+      // Invalidate cache and refresh
+      collections.invalidateCache(`${apiConfig.collection}.profile`)
+      
+      // Reset form
+      setText('')
+      setType('user')
+      setHandle('')
+      setRkey('')
+      
+      if (onProfilePosted) {
+        onProfilePosted()
+      }
+      
+    } catch (err) {
+      console.error('Failed to create profile:', err)
+      setError(err.message || 'プロフィールの作成に失敗しました')
+    } finally {
+      setPosting(false)
+    }
+  }
+
+  if (!user) {
+    return null
+  }
+
+  return (
+    <div className="profile-form-container">
+      <h3>プロフィール投稿</h3>
+      
+      {error && (
+        <div className="error-message">
+          {error}
+        </div>
+      )}
+      
+      <form onSubmit={handleSubmit} className="profile-form">
+        <div className="form-row">
+          <div className="form-group">
+            <label htmlFor="handle">ハンドル</label>
+            <input
+              type="text"
+              id="handle"
+              value={handle}
+              onChange={(e) => setHandle(e.target.value)}
+              placeholder="例: syui.ai"
+              required
+            />
+          </div>
+          <div className="form-group">
+            <label htmlFor="rkey">Rkey</label>
+            <input
+              type="text"
+              id="rkey"
+              value={rkey}
+              onChange={(e) => setRkey(e.target.value)}
+              placeholder="例: syui"
+              required
+            />
+          </div>
+        </div>
+        
+        <div className="form-group">
+          <label htmlFor="type">タイプ</label>
+          <select
+            id="type"
+            value={type}
+            onChange={(e) => setType(e.target.value)}
+          >
+            <option value="user">User</option>
+            <option value="admin">Admin</option>
+          </select>
+        </div>
+        
+        <div className="form-group">
+          <label htmlFor="text">プロフィールテキスト</label>
+          <textarea
+            id="text"
+            value={text}
+            onChange={(e) => setText(e.target.value)}
+            placeholder="プロフィールの説明を入力してください"
+            rows={4}
+            required
+          />
+        </div>
+        
+        <button 
+          type="submit" 
+          disabled={posting || !text.trim() || !handle.trim() || !rkey.trim()}
+          className="submit-btn"
+        >
+          {posting ? '投稿中...' : '投稿'}
+        </button>
+      </form>
+    </div>
+  )
+}
+
+export default ProfileForm
\ No newline at end of file
diff --git a/oauth/src/components/ProfileRecordList.jsx b/oauth/src/components/ProfileRecordList.jsx
new file mode 100644
index 0000000..a26be28
--- /dev/null
+++ b/oauth/src/components/ProfileRecordList.jsx
@@ -0,0 +1,133 @@
+import React, { useState, useEffect } from 'react'
+import { collections } from '../api/atproto.js'
+import AvatarImage from './AvatarImage.jsx'
+import LoadingSkeleton from './LoadingSkeleton.jsx'
+
+const ProfileRecordList = ({ apiConfig, user, agent, onRecordDeleted }) => {
+  const [profiles, setProfiles] = useState([])
+  const [loading, setLoading] = useState(true)
+  const [error, setError] = useState(null)
+
+  useEffect(() => {
+    if (apiConfig?.admin && apiConfig?.collection) {
+      fetchProfiles()
+    }
+  }, [apiConfig])
+
+  const fetchProfiles = async () => {
+    try {
+      setLoading(true)
+      setError(null)
+
+      const adminProfiles = await collections.getProfiles(
+        apiConfig.pds,
+        apiConfig.admin,
+        apiConfig.collection
+      )
+
+      // Sort profiles: admin type first, then user type
+      const sortedProfiles = adminProfiles.sort((a, b) => {
+        if (a.value.type === 'admin' && b.value.type !== 'admin') return -1
+        if (a.value.type !== 'admin' && b.value.type === 'admin') return 1
+        return 0
+      })
+
+      setProfiles(sortedProfiles)
+    } catch (err) {
+      console.error('Failed to fetch profiles:', err)
+      setError('プロフィールの読み込みに失敗しました')
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  const handleDelete = async (uri) => {
+    if (!user || !agent) return
+    if (!confirm('このプロフィールを削除しますか？')) return
+
+    try {
+      const rkey = uri.split('/').pop()
+      await agent.api.com.atproto.repo.deleteRecord({
+        repo: user.did,
+        collection: `${apiConfig.collection}.profile`,
+        rkey: rkey
+      })
+      
+      // Invalidate cache and refresh
+      collections.invalidateCache(`${apiConfig.collection}.profile`)
+      await fetchProfiles()
+      
+      if (onRecordDeleted) {
+        onRecordDeleted()
+      }
+    } catch (err) {
+      console.error('Failed to delete profile:', err)
+      setError('プロフィールの削除に失敗しました')
+    }
+  }
+
+  if (loading) {
+    return <LoadingSkeleton count={3} showTitle={true} />
+  }
+
+  if (error) {
+    return (
+      <div className="error-state">
+        <p>{error}</p>
+        <button onClick={fetchProfiles} className="retry-btn">再試行</button>
+      </div>
+    )
+  }
+
+  if (profiles.length === 0) {
+    return (
+      <div className="empty-state">
+        <p>プロフィールがありません</p>
+      </div>
+    )
+  }
+
+  return (
+    <div className="record-list profile-record-list">
+      {profiles.map((profile) => (
+        <div key={profile.uri} className={`record-item comment-style ${profile.value.type}`}>
+          <div className="message-header">
+            <div className="avatar">
+              <AvatarImage 
+                src={profile.value.author.avatar}
+                alt={profile.value.author.displayName || profile.value.author.handle}
+                size={40}
+              />
+            </div>
+            <div className="user-info">
+              <div className="display-name">
+                {profile.value.author.displayName || profile.value.author.handle}
+                {profile.value.type === 'admin' && (
+                  <span className="admin-badge">Admin</span>
+                )}
+              </div>
+              <div className="handle">@{profile.value.author.handle}</div>
+              <div className="timestamp">
+                {new Date(profile.value.createdAt).toLocaleString()}
+              </div>
+            </div>
+            {user && (
+              <div className="record-actions">
+                <button 
+                  onClick={() => handleDelete(profile.uri)}
+                  className="delete-btn"
+                  title="削除"
+                >
+                  ×
+                </button>
+              </div>
+            )}
+          </div>
+          <div className="message-content">{profile.value.text}</div>
+        </div>
+      ))}
+    </div>
+  )
+}
+
+export default ProfileRecordList
\ No newline at end of file
diff --git a/oauth/src/components/RecordTabs.jsx b/oauth/src/components/RecordTabs.jsx
index 514d371..c7f139e 100644
--- a/oauth/src/components/RecordTabs.jsx
+++ b/oauth/src/components/RecordTabs.jsx
@@ -1,6 +1,7 @@
 import React, { useState } from 'react'
 import RecordList from './RecordList.jsx'
 import ChatRecordList from './ChatRecordList.jsx'
+import ProfileRecordList from './ProfileRecordList.jsx'
 import LoadingSkeleton from './LoadingSkeleton.jsx'
 
 export default function RecordTabs({ langRecords, commentRecords, userComments, chatRecords, userChatRecords, userChatLoading, baseRecords, apiConfig, pageContext, user = null, agent = null, onRecordDeleted = null }) {
@@ -60,6 +61,12 @@ export default function RecordTabs({ langRecords, commentRecords, userComments,
         >
           comment ({filteredUserComments.length})
         </button>
+        <button 
+          className={`tab-btn ${activeTab === 'profiles' ? 'active' : ''}`}
+          onClick={() => setActiveTab('profiles')}
+        >
+          profiles
+        </button>
       </div>
 
       <div className="tab-content">
@@ -121,6 +128,14 @@ export default function RecordTabs({ langRecords, commentRecords, userComments,
             />
           )
         )}
+        {activeTab === 'profiles' && (
+          <ProfileRecordList 
+            apiConfig={apiConfig} 
+            user={user}
+            agent={agent}
+            onRecordDeleted={onRecordDeleted}
+          />
+        )}
       </div>
 
     </div>