{"name":"GOOGLE_CLOUD_PROJECT","slug":"google-cloud-project","family":"env","title":"Environment variables","noun":"environment variable","description":"A Google Cloud project ID. Claude Code uses it as a fallback project ID for Google auth on Vertex and in the GCP credentials check, read after `GCLOUD_PROJECT` and before `gcloud_project`, `google_cloud_project` and `ANTHROPIC_VERTEX_PROJECT_ID`; the Claude Platform on Google Cloud client uses it when `ANTHROPIC_GOOGLE_CLOUD_PROJECT` is unset. When set and no earlier platform check matches, telemetry reports the deployment environment as `gcp`.","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":"google-vertex-ai","title":"Claude Code on Google Cloud's Agent Platform","documented":false}],"docs_total":1,"gates":[],"related":[{"name":"GOOGLE_CLOUD_QUOTA_PROJECT","slug":"google-cloud-quota-project","description":"Read by the bundled Google auth library: when non-empty, it is set as the `quotaProjectId` of the credential found through Application Default Credentials."},{"name":"GOOGLE_CLOUD_WORKSTATIONS","slug":"google-cloud-workstations","description":"When set to a true value (`1`, `true`, `yes` or `on`) and no earlier platform check matches, telemetry reports the deployment environment as `gcp-cloud-workstations`."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/google-cloud-project","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}