{"name":"CLAUDE_CODE_WEBSEARCH_USE_CCR_PROXY","slug":"claude-code-websearch-use-ccr-proxy","family":"env","title":"Environment variables","noun":"environment variable","description":"The web search tool has a built-in choice between a quick, cheap search and a slower, thorough one, but it stays off unless configured","description_source":"entry","described_by":{"version":"2.1.282","anchor":"websearch-standardextended-mode-fast-search-is-built"},"presence":{"first_seen":"2.1.182","removed_in":null,"in_current_build":true,"newest_mined":"2.1.308","builds":110,"mined_builds":149,"first_cited":{"version":"2.1.292","released_at":"2026-10-06 17:10:31","spans":1}},"aliases":[],"entries":[{"version":"2.1.292","anchor":"websearch-ccr-proxy-check-simplified","heading":"Web search in remote sessions no longer skips the proxy when web fetch is disabled","line":"Whether web search goes through the remote-session proxy no longer depends on web fetch being disabled","released_at":"2026-10-06 17:10:31","reason":"found in this entry's text"},{"version":"2.1.283","anchor":"web-search-fast-mode-no-longer-switched-off-by-claude-code-w","heading":"Setting the web-search proxy variable no longer turns off fast web search","line":"`CLAUDE_CODE_WEBSEARCH_USE_CCR_PROXY` no longer forces fast web search off, and `CLAUDE_CODE_WEBSEARCH_CCR_PROXY_FAST` is gone","released_at":"2026-09-25 18:46:11","reason":"found in this entry's text, named in this entry"},{"version":"2.1.282","anchor":"websearch-standardextended-mode-fast-search-is-built","heading":"Web search can offer a quick \"standard\" mode and a thorough \"extended\" mode, off by default","line":"The web search tool has a built-in choice between a quick, cheap search and a slower, thorough one, but it stays off unless configured","released_at":"2026-09-24 15:56:22","reason":"found in this entry's text"},{"version":"2.1.282","anchor":"web-search-fast-system-hint-appended-to-system-prompts-whe","heading":"Fast web search can add an extra hint to Claude's instructions","line":"When fast web search is on and a web search tool is available, Claude's system prompt gets an extra hint","released_at":"2026-09-24 15:56:22","reason":"found in this entry's text"},{"version":"2.1.182","anchor":"ccr-websearch-proxy","heading":"CCR WebSearch Proxy","line":null,"released_at":"2026-06-18 22:06:42","reason":"found in this entry's text"}],"entries_total":5,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"CLAUDE_CODE_WEBSEARCH_CCR_PROXY_FAST","slug":"claude-code-websearch-ccr-proxy-fast","description":"The web search tool has a built-in choice between a quick, cheap search and a slower, thorough one, but it stays off unless configured"},{"name":"CLAUDE_CODE_WEBSEARCH_CITATIONS","slug":"claude-code-websearch-citations","description":"With CLAUDE_CODE_WEBSEARCH_CITATIONS set, Claude is no longer told to end web search answers with a written \"Sources:\" list"},{"name":"CLAUDE_CODE_WEBSEARCH_CITATIONS_DECLARED","slug":"claude-code-websearch-citations-declared","description":"A new environment variable, CLAUDE_CODE_WEBSEARCH_CITATIONS_DECLARED, joins the existing web search citations switch"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-websearch-use-ccr-proxy","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}