Bot intelligence record
ClaudeBot
Review firstUse the ClaudeBot identifier to separate Anthropic AI crawler, assistant, or AI search traffic from normal visitor requests in server logs.
- Operator
- Anthropic
- Family
- Anthropic
- Type
- Ai
- Source type
- Official
- Last checked
- 2026-05-20
User-Agent Pattern
AnthropicClaudeBot
User-agent strings are identification signals, not proof of identity. Confirm important allow, block, or rate-limit decisions with logs, DNS or IP evidence, request behavior, or operator documentation when available.
Robots.txt Snippet
Click snippet to copyUser-agent: ClaudeBot Disallow: /Click the snippet to copy it, or highlight the text manually.
Handling Guidance
DependsUse this record as bot intelligence, then verify the request source and behavior before allowing, blocking, or rate limiting.
AI crawling, assistant retrieval, AI search, or model-supporting discovery depending on the user-agent.
Record Details
Structured data- Operator
- Anthropic
- Family
- Anthropic
- Type
- Ai
- Purpose
- Ai Crawl
- Identity type
- Official Documented
- Confidence
- High
- Last verified
- 2026-04-01
- Last checked
- 2026-05-20
- Source type
- Official
- Verification
- Anthropic says it does not currently publish IP ranges and may use service-provider public IPs; rely on the official bot token and robots.txt controls.
- Spoofing risk
- User-agent strings for ClaudeBot can be spoofed. Treat user-agent detection as a classification signal, then verify with published IP ranges, reverse DNS, signatures, operator documentation, or published operator documentation, IP ranges, reverse DNS, signatures, or other verified identity signals before allow-listing.
Notes
ClaudeBot is listed in the Botcrawl directory as an AI crawler from Anthropic. The primary identifier for log review is ClaudeBot.
Identification
- User-agent pattern:
ClaudeBot - Family: Anthropic
- Type: AI
- Kind: Crawler
Common use
AI crawling, assistant retrieval, AI search, or model-supporting discovery depending on the user-agent.
Verification and handling
Anthropic says it does not currently publish IP ranges and may use service-provider public IPs; rely on the official bot token and robots.txt controls.
Directory guidance marks the risk level as Neutral and the blocking decision as Depends. Do not rely on the user-agent string alone because user-agent strings can be copied or spoofed.
Robots.txt handling: Yes.
Evidence and Source
- Anthropic says it does not currently publish IP ranges and may use service-provider public IPs; rely on the official bot token and robots.txt controls.
- Match `ClaudeBot` as a case-insensitive substring in HTTP user-agent logs. Review bot_aliases for alternate names or product labels. Do not treat a user-agent match alone as proof of identity for allow-listing.
- AI crawling, assistant retrieval, AI search, or model-supporting discovery depending on the user-agent.
- User-agent strings for ClaudeBot can be spoofed. Treat user-agent detection as a classification signal, then verify with published IP ranges, reverse DNS, signatures, operator documentation, or published operator documentation, IP ranges, reverse DNS, signatures, or other verified identity signals before allow-listing.
Monitor This Bot In Edge
Botcrawl EdgeUse Botcrawl Edge to see matching traffic, create allow or block rules, and control this bot across connected sites.