{"name":"CLAUDE_CODE_BRIEF_UPLOAD","slug":"claude-code-brief-upload","family":"env","title":"Environment variables","noun":"environment variable","description":"Boolean (`1`, `true`, `yes` or `on`). When true and the REPL bridge is not enabled, local files attached through the `SendUserMessage` and `SendUserFile` tools are uploaded with the account's OAuth token and come back with a `file_uuid`, as they do in remote sessions; the upload lane is recorded as `env_brief_upload`. It is checked before `CLAUDE_CODE_REMOTE_ENVIRONMENT_TYPE` and `CLAUDE_CODE_REMOTE`.","description_source":"code","described_by":{"bundle":"2.1.286","author":"claude-opus-5-5"},"presence":{"first_seen":"2.1.138","removed_in":null,"in_current_build":true,"newest_mined":"2.1.309","builds":150,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[],"entries_total":0,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"CLAUDE_CODE_BRIEF","slug":"claude-code-brief","description":"\/brief is hidden by server config, but brief mode still works via an environment variable."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-brief-upload","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}