{"name":"maskDuplicates","slug":"maskduplicates","family":"setting","title":"Settings keys","noun":"settings key","description":"You can mask secrets in credential files so sandboxed commands see placeholders while real values are swapped in on egress.","description_source":"entry","described_by":{"version":"2.1.221","anchor":"sandbox-credentials-files-gains-a-mask-mode-with-regex-extra"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.308","builds":0,"mined_builds":149,"first_cited":{"version":"2.1.199","released_at":"2026-07-02 17:33:48","spans":1}},"aliases":[],"entries":[{"version":"2.1.268","anchor":"sandbox-runtime-credential-masking-gains-jwt-decoding-claim","heading":"Sandbox-runtime credential masking gains JWT decoding, claim-level masking, and duplicate-value scrubbing","line":"Sandbox credential masking adds JWT decoding, per-claim masking, and scrubbing of duplicate secret values","released_at":"2026-09-10 18:41:11","reason":"found in this entry's text"},{"version":"2.1.221","anchor":"sandbox-credentials-files-gains-a-mask-mode-with-regex-extra","heading":"sandbox.credentials.files gains a mask mode with regex extraction","line":"You can mask secrets in credential files so sandboxed commands see placeholders while real values are swapped in on egress.","released_at":"2026-08-03 22:16:25","reason":"named in this entry, found in this entry's text"},{"version":"2.1.199","anchor":"credential-masking-regex-extract-patterns","heading":"Credential Masking: Regex Extract Patterns","line":null,"released_at":"2026-07-02 17:33:48","reason":"found in this entry's text"}],"entries_total":3,"docs":[{"source":"claude-code","path":"sandboxing","title":"Configure the sandboxed Bash tool","documented":false},{"source":"claude-code","path":"settings","title":"Claude Code settings","documented":false},{"source":"claude-code","path":"settings-reference","title":"All settings","documented":false}],"docs_total":3,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/setting\/maskduplicates","family_url":"https:\/\/changelogs.core-directive.com\/reference\/setting.json"}