--- title: "Muse: user agent, token, block rate | Agent Ready Crawlers" description: "Muse from Meta: no robots.txt token, shopping agent purpose and what a site can check; no exact user-agent string is published. Read 2026-11-04." canonical: https://agentreadycrawlers.com/crawlers/meta-muse site: "Agent Ready Crawlers" last_updated: 2026-11-04 section: "Crawlers" --- # Muse: user agent, token, block rate | Agent Ready Crawlers > Muse from Meta: no robots.txt token, shopping agent purpose and what a site can check; no exact user-agent string is published. Read 2026-11-04. Source: https://agentreadycrawlers.com/crawlers/meta-muse Site: Agent Ready Crawlers Last reviewed: 2026-11-04 Shopping agent from Meta # Muse (personal agent) In short Muse (personal agent) is Meta's shopping agent. Muse has no robots.txt token, so robots.txt cannot address it and the crawl cannot measure a block rate. The operator publishes nothing a site can check. Muse has no operator bot documentation, checked 2026-11-04. Meta launched Muse on 2026-09-08 in the US, per Verisoul. Operator [Meta](https://agentreadycrawlers.com/crawlers/operator/meta/) Vendor profile: [Meta](https://agentreadycrawlers.com/vendors/meta/) Purpose Shopping agent [All shopping agent rows](https://agentreadycrawlers.com/crawlers/purpose/shopping-agent/). An agent that compares, selects or buys goods for a person. User-agent string No exact string is published. What the operator or a third party says: Does not identify itself, per Verisoul and Amazon's statement reported by GeekWire robots.txt token None. No robots.txt line can address this agent. Respects robots.txt No documentation operator publishes no bot documentation (checked 2026-11-04). [Source](https://www.verisoul.ai/agents/meta-muse), read 2026-11-04. Operator publishes no bot documentation (checked 2026-11-04). Verification Nothing published The operator publishes no list, reverse DNS pattern or key directory a site owner can check. [Documentation](https://www.verisoul.ai/agents/meta-muse), read 2026-11-04. IP ranges Not published. Rate behaviour Not published. Block rate None: the agent has no token, so a robots.txt block rate does not exist. Documentation Operator publishes no bot documentation (checked 2026-11-04). [Closest page read](https://www.verisoul.ai/agents/meta-muse). Note. Meta launched Muse on 2026-09-08 in the US, per Verisoul. Amazon blocked it in September 2026. DataDome's Q3 2026 report (via Help Net Security) counted 29.1 million Muse requests in under two weeks without self-identification. ## Allow and refuse lines This agent has no robots.txt token, so there are no lines to copy. Without a token, a published list or a signature, a site owner cannot tell it from an ordinary visitor by request alone. Refusing or allowing in robots.txt states a preference. Enforcement of a refusal belongs in your WAF; see how to verify the identity above. ## Meta in the Verification Ledger User agent strings only; the page recommends IP allowlisting but links no list. Publishes nothing for Muse. [All operators](https://agentreadycrawlers.com/verification/). IP lists publishes nothing Reverse DNS publishes nothing Key directory publishes nothing Cloudflare not checked Visa TAP registry no public operator-level registration found (checked 2026-11-04) Mastercard Agent Pay no public operator-level registration found (checked 2026-11-04) ## In the news - 2026-10-15[DataDome Q3 report: 25 billion AI agent requests](https://agentreadycrawlers.com/news/2026-10-15-datadome-q3-report-25-billion-ai-agent-requests/) - 2026-09-08[Meta launches Muse, a personal agent that does not identify itself](https://agentreadycrawlers.com/news/2026-09-08-meta-launches-muse-a-personal-agent-that-does-not-identify-i/) ## Other Meta rows - [Meta-ExternalAgent](https://agentreadycrawlers.com/crawlers/meta-externalagent/) Training token meta-externalagent - [Meta-ExternalFetcher](https://agentreadycrawlers.com/crawlers/meta-externalfetcher/) Live answer fetch token meta-externalfetcher - [Meta-WebIndexer](https://agentreadycrawlers.com/crawlers/meta-webindexer/) Search index token meta-webindexer - [Meta-ExternalAds](https://agentreadycrawlers.com/crawlers/meta-externalads/) Other token meta-externalads - [FacebookExternalHit](https://agentreadycrawlers.com/crawlers/facebookexternalhit/) Other token facebookexternalhit - [FacebookBot (legacy token)](https://agentreadycrawlers.com/crawlers/facebookbot/) Other token FacebookBot ## Sources - [verisoul.ai: meta muse](https://www.verisoul.ai/agents/meta-muse) read 2026-11-04 - [Meta Web Crawlers](https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/) read 2026-11-04 - [Help Net Security: DataDome AI agent traffic report](https://helpnetsecurity.com/2026/10/19/datadome-ai-agent-traffic-report) read 2026-11-04 - [GeekWire: Amazon blocks Meta's Muse](https://www.geekwire.com/2026/amazon-blocks-metas-muse-ai-assistant-in-new-standoff-over-agentic-shopping/) read 2026-11-04 Last reviewed 2026-11-04