{"name":"CODESPACES","slug":"codespaces","family":"env","title":"Environment variables","noun":"environment variable","description":"When `1`, `true`, `yes` or `on`, Claude Code's deployment environment detection reports `codespaces`; it is the first check, so it wins over every other environment. The detected environment is reported in telemetry as `deployment_environment`.","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":"2.1.308","builds":149,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[],"entries_total":0,"docs":[{"source":"claude-code","path":"devcontainer","title":"Development containers","documented":false},{"source":"claude-code","path":"voice-dictation","title":"Voice dictation","documented":false}],"docs_total":2,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/codespaces","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}