{"version":"2.1.277","anchor":"tools-flag-now-warns-about-removed-built-in-tools","canonical_anchor":"tools-flag-now-warns-about-removed-built-in-tools","heading":"--tools flag now warns about removed built-in tools","tier":"notice","area":"Elsewhere","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.277\/e\/tools-flag-now-warns-about-removed-built-in-tools","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.277","markdown":"### --tools flag now warns about removed built-in tools\n\n--tools now shows a specific warning when you exclude a built-in tool that's been removed\n\n**What**\n\nWhen using the `--tools` flag to exclude a tool by name, if that name used to refer to a built-in tool that Claude Code has since removed, the CLI now shows a distinct message explaining that, instead of treating it as if you'd simply mistyped an unknown tool name.\n\n**Why**\n\nThis makes it clearer when a `--tools` exclusion refers to a tool that no longer exists, rather than leaving the user to guess whether they made a typo.\n\n- Area: Elsewhere\n- Names: `--tools`\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 1\/5"}