Follow Discord
Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.257 ·

More read-only commands allowed for the sandboxed/permission-checked Bash tool

← All of v2.1.257 Home All releases

The sandboxed bash read-only allowlist now covers many more text utilities such as tac, rev, comm and numfmt.

TierYou'll noticehow much it should matter to you
Useful1my rating, 1 to 5
Signal1worth watching, 1 to 5
AreaSandboxwhat it touches
KindImprovementsin v2.1.257,
You'll notice

The sandboxed bash read-only allowlist now covers many more text utilities such as tac, rev, comm and numfmt.

The read-only command allowlist for the sandboxed/permission-checked Bash tool now includes gawk, mawk, nawk, tac, man, rev, fold, expand, unexpand, fmt, comm, cmp, pr, numfmt, tsort, and egrep/fgrep, all mapped to "read" permission.

See this entry in the whole of v2.1.257 →

Feedback