{"name":"CLAUDE_CODE_HOST_AUTH_REFRESH_TIMEOUT_MS","slug":"claude-code-host-auth-refresh-timeout-ms","family":"env","title":"Environment variables","noun":"environment variable","description":"Milliseconds Claude Code waits for the SDK host to answer a `host_auth_token_refresh` control request, used by the refresh hook registered when `CLAUDE_CODE_SDK_HAS_HOST_AUTH_REFRESH` is set. Default `30000`; an unset, empty, `0` or non-numeric value uses the default.","description_source":"code","described_by":{"bundle":"2.1.286","author":"claude-opus-5-5"},"presence":{"first_seen":"2.1.145","removed_in":null,"in_current_build":true,"newest_mined":"2.1.309","builds":143,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[],"entries_total":0,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"CLAUDE_CODE_HOST_AUTH_ENV_VAR","slug":"claude-code-host-auth-env-var","description":"When Claude Code removes certain environment variables, it now keeps the one named by `CLAUDE_CODE_HOST_AUTH_ENV_VAR`"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-host-auth-refresh-timeout-ms","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}