Context
Anthropic added web search to its API, allowing Claude-based applications to retrieve current web information and return citations.
What changed
Claude’s retrieval and citation layer became available to developers building agents and applications.
Why it matters
AI discoverability extends beyond consumer search interfaces into embedded enterprise and developer workflows.
Visibility OS interpretation
The number of retrieval surfaces that can cite a source is expanding beyond conventional search products.
What remains uncertain
No event-specific uncertainty note is recorded yet. This record may change as new evidence is reviewed.