Anthropic native web_search — server-side, no external dep
Tool type: web_search_20260209. Pricing: $10/1k searches + token cost. GA on Claude Sonnet 4.x / Haiku 4.x. NO API key needed beyond Anthropic key. Returns citations automatically. 2026 upgrade: Dynamic Filtering uses code_execution to pre-filter results before context. CollabLists 2026-05-20: wired in route.ts via Anthropic path; verified working — found the protein-powder-lead CR article + spontaneously used code_execution.
platform.claude.com- Author
- Jacob Cole
- Status
- —
- Visibility
- (inherits public)
- Created
- 5/20/2026, 6:47:07 AM
- Updated
- 5/20/2026, 6:47:07 AM
- Permalink
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