diff --git a/src/bots.ts b/src/bots.ts
index c5e756f..7e923da 100644
--- a/src/bots.ts
+++ b/src/bots.ts
@@ -15,7 +15,7 @@
  * Anthropic, Google, Perplexity, Cohere, Apple, Bytedance.
  */
 export const AI_BOT_PATTERN =
-  /ClaudeBot|Claude-User|Anthropic|ChatGPT-User|GPTBot|OAI-SearchBot|PerplexityBot|Perplexity-User|Google-Extended|Applebot-Extended|cohere-ai|Bytespider|CCBot|Amazonbot|Meta-ExternalAgent|FacebookBot|DuckAssistBot|MistralAI-User|YouBot|AI2Bot|Diffbot|Cursor|Windsurf/i
+  /ClaudeBot|Claude-User|Claude-SearchBot|Claude-Web|Anthropic|GPTBot|ChatGPT-User|OAI-SearchBot|PerplexityBot|Perplexity-User|Google-Extended|Google-CloudVertexBot|Google-Agent|GoogleAgent-Mariner|Gemini-Deep-Research|Applebot|cohere|Bytespider|CCBot|Amazonbot|Amzn-SearchBot|NovaAct|AzureAI-SearchBot|Meta-ExternalAgent|meta-externalfetcher|meta-webindexer|FacebookBot|DuckAssistBot|MistralAI-User|YouBot|AI2Bot|Diffbot|DeepSeek|PanguBot|Webzio-Extended|omgili|Timpibot|Grok|Manus-User|quillbot|MyCentralAIScraperBot|Cursor|Windsurf/i
 
 /**
  * HTTP library / runtime signatures frequently used by coding agents. Matching
@@ -67,15 +67,36 @@ export function parseBotName(userAgent: string | null | undefined): string {
   // Publicly declared AI crawlers (high confidence).
   if (s.includes('chatgpt-user') || s.includes('gptbot') || s.includes('oai-searchbot') || s.includes('openai'))
     return 'ChatGPT'
-  if (s.includes('claudebot') || s.includes('claude-user') || s.includes('anthropic')) return 'Claude'
+  if (
+    s.includes('claudebot') ||
+    s.includes('claude-user') ||
+    s.includes('claude-searchbot') ||
+    s.includes('claude-web') ||
+    s.includes('anthropic')
+  )
+    return 'Claude'
   if (s.includes('perplexitybot') || s.includes('perplexity-user')) return 'Perplexity'
   if (s.includes('ccbot')) return 'Common Crawl'
-  if (s.includes('google-extended') || s.includes('googlebot')) return 'Google'
-  if (s.includes('applebot-extended') || s.includes('applebot')) return 'Apple'
+  if (
+    s.includes('google-extended') ||
+    s.includes('googlebot') ||
+    s.includes('google-cloudvertexbot') ||
+    s.includes('google-agent') ||
+    s.includes('googleagent-mariner') ||
+    s.includes('gemini-deep-research')
+  )
+    return 'Google'
+  if (s.includes('applebot')) return 'Apple'
   if (s.includes('bingbot')) return 'Bing'
   if (s.includes('bytespider')) return 'Bytespider'
-  if (s.includes('amazonbot')) return 'Amazon'
-  if (s.includes('meta-externalagent') || s.includes('facebookbot')) return 'Meta'
+  if (s.includes('amazonbot') || s.includes('amzn-searchbot') || s.includes('novaact')) return 'Amazon'
+  if (
+    s.includes('meta-externalagent') ||
+    s.includes('meta-externalfetcher') ||
+    s.includes('meta-webindexer') ||
+    s.includes('facebookbot')
+  )
+    return 'Meta'
   if (s.includes('mistralai-user')) return 'Mistral'
   if (s.includes('duckassistbot')) return 'DuckDuckGo'
   if (s.includes('youbot')) return 'You.com'
@@ -84,6 +105,15 @@ export function parseBotName(userAgent: string | null | undefined): string {
   if (s.includes('cohere')) return 'Cohere'
   if (s.includes('cursor')) return 'Cursor'
   if (s.includes('windsurf')) return 'Windsurf'
+  if (s.includes('deepseek')) return 'DeepSeek'
+  if (s.includes('pangubot')) return 'Huawei'
+  if (s.includes('webzio') || s.includes('omgili')) return 'Webz.io'
+  if (s.includes('timpibot')) return 'Timpi'
+  if (s.includes('grok') || s.includes('xai-')) return 'xAI'
+  if (s.includes('manus-user')) return 'Manus'
+  if (s.includes('quillbot')) return 'QuillBot'
+  if (s.includes('azureai-searchbot')) return 'Microsoft'
+  if (s.includes('mycentralaiscraperbot')) return 'MyCentralAI'
   if (s.includes('petalbot')) return 'PetalBot'
 
   // SEO crawlers and monitoring bots.
diff --git a/test/bots.test.ts b/test/bots.test.ts
index 9589e78..ea3be97 100644
--- a/test/bots.test.ts
+++ b/test/bots.test.ts
@@ -200,12 +200,75 @@ describe('parseBotName — additional branded crawlers', () => {
     ['Windsurf/0.1', 'Windsurf'],
     ['PetalBot; +http://aspiegel.com/petalbot', 'PetalBot'],
     ['Mozilla/5.0 (compatible; bingbot/2.0)', 'Bing'],
-    ['Mozilla/5.0 (compatible; Meta-ExternalAgent/1.0)', 'Meta']
+    ['Mozilla/5.0 (compatible; Meta-ExternalAgent/1.0)', 'Meta'],
+    ['Claude-SearchBot/1.0', 'Claude'],
+    ['Claude-Web/1.0', 'Claude'],
+    ['Applebot/0.1', 'Apple'],
+    ['Mozilla/5.0 (compatible; Google-CloudVertexBot/1.0)', 'Google'],
+    ['Gemini-Deep-Research/1.0', 'Google'],
+    ['GoogleAgent-Mariner/1.0', 'Google'],
+    ['Amzn-SearchBot/1.0', 'Amazon'],
+    ['NovaAct/1.0', 'Amazon'],
+    ['AzureAI-SearchBot/1.0', 'Microsoft'],
+    ['meta-externalfetcher/1.0', 'Meta'],
+    ['meta-webindexer/1.0', 'Meta'],
+    ['DeepSeekBot/1.0', 'DeepSeek'],
+    ['PanguBot/1.0', 'Huawei'],
+    ['Webzio-Extended/1.0', 'Webz.io'],
+    ['omgili/0.5 (+http://omgili.com)', 'Webz.io'],
+    ['omgilibot/0.5', 'Webz.io'],
+    ['Timpibot/0.8', 'Timpi'],
+    ['GrokBot/1.0', 'xAI'],
+    ['Grok-DeepSearch/1.0', 'xAI'],
+    ['xAI-Grok/1.0', 'xAI'],
+    ['Manus-User/1.0', 'Manus'],
+    ['quillbot.com/1.0', 'QuillBot'],
+    ['MyCentralAIScraperBot/1.0', 'MyCentralAI'],
+    ['cohere-training-data-crawler/1.0', 'Cohere']
   ])('labels %s as %s', (ua, label) => {
     expect(parseBotName(ua)).toBe(label)
   })
 })
 
+describe('isAiBot — expanded crawler coverage', () => {
+  it.each([
+    'Claude-SearchBot/1.0',
+    'Claude-Web/1.0',
+    'Applebot/0.1',
+    'Google-CloudVertexBot/1.0',
+    'Google-Agent/1.0',
+    'GoogleAgent-Mariner/1.0',
+    'Gemini-Deep-Research/1.0',
+    'Amzn-SearchBot/1.0',
+    'NovaAct/1.0',
+    'AzureAI-SearchBot/1.0',
+    'meta-externalfetcher/1.0',
+    'meta-webindexer/1.0',
+    'DeepSeekBot/1.0',
+    'PanguBot/1.0',
+    'Webzio-Extended/1.0',
+    'omgili/0.5',
+    'omgilibot/0.5',
+    'Timpibot/0.8',
+    'GrokBot/1.0',
+    'Grok-DeepSearch/1.0',
+    'xAI-Grok/1.0',
+    'Manus-User/1.0',
+    'quillbot.com/1.0',
+    'MyCentralAIScraperBot/1.0',
+    'cohere-training-data-crawler/1.0',
+    'Ai2Bot-Dolma/1.0'
+  ])('flags %s as an AI bot', (ua) => {
+    expect(isAiBot(ua)).toBe(true)
+  })
+
+  it('does not flag Claude-Code (coding-agent UA, intentionally excluded)', () => {
+    // Claude-Code goes through HTTP_CLIENT_PATTERN heuristics, not the
+    // declared-crawler set — see comment at AI_BOT_PATTERN.
+    expect(isAiBot('Claude-Code/1.0')).toBe(false)
+  })
+})
+
 describe('classifyAgent — spoofed UAs and edge cases', () => {
   it('treats a Playwright-driven Mozilla UA as a plain browser (Aider/OpenCode look like users at the UA layer)', () => {
     const playwrightish =