Configure permissions changedpermissions
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Upstream edited this page at 19 Oct 2026 18:23 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 19 Oct 2026 18:37 UTC.
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354354Claude Code checks pasted image paths and directory listings in v2.1.290 and later.
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356A `Read` deny rule also blocks the [Edit and Write tools](/docs/en/errors#file-is-covered-by-a-read-deny-rule) on the same path, including creating a new file there. NotebookEdit isn't covered, so add an `Edit` deny rule for paths no tool may change. The check requires Claude Code v2.1.208 or later on edits, and v2.1.228 or later on writes.
356A `Read` deny rule also blocks the [Edit and Write tools](/docs/en/errors#file-is-covered-by-a-read-deny-rule) on the same path, including creating a new file there. NotebookEdit isn't covered, so add an `Edit` deny rule for paths no tool may change. For the Write tool, the check requires Claude Code v2.1.228 or later.
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358Claude Code checks file permissions against `Edit(path)` and `Read(path)` rules only. If you write a path rule for `Write`, `NotebookEdit`, `Glob`, or the legacy `MultiEdit` tool instead, Claude Code accepts the rule but never consults it, and [warns at startup](/docs/en/errors#is-not-matched-by-file-permission-checks), except for a `Glob` rule passed in `--allowedTools`. Use `Edit(docs/**)` in place of `Write(docs/**)`, `NotebookEdit(docs/**)`, or `MultiEdit(docs/**)`, and `Read(docs/**)` in place of `Glob(docs/**)`. Claude Code doesn't warn about a tool-name rule with no path, such as a deny rule for `Write`; it matches that rule at the tool level everywhere. Requires Claude Code v2.1.210 or later.
358Claude Code checks file permissions against `Edit(path)` and `Read(path)` rules only. If you write a path rule for `Write`, `NotebookEdit`, `Glob`, or the legacy `MultiEdit` tool instead, Claude Code accepts the rule but never consults it, and [warns at startup](/docs/en/errors#is-not-matched-by-file-permission-checks), except for a `Glob` rule passed in `--allowedTools`. Use `Edit(docs/**)` in place of `Write(docs/**)`, `NotebookEdit(docs/**)`, or `MultiEdit(docs/**)`, and `Read(docs/**)` in place of `Glob(docs/**)`. Claude Code doesn't warn about a tool-name rule with no path, such as a deny rule for `Write`; it matches that rule at the tool level everywhere.
359359
360360<Warning>
361361 Read and Edit deny rules apply to Claude's built-in file tools, to file commands Claude Code recognizes in Bash, such as `cat`, `head`, `tail`, `sed`, and `tee`, and to the targets of Bash [redirections](#redirections) such as `> file` and `< file`. They don't apply to a command that reads files without naming them, such as `grep -r pattern .` run from the directory that holds the file, or to arbitrary subprocesses that read or write files indirectly, like a Python or Node script that opens files itself. For OS-level enforcement that blocks all processes from accessing a path, [enable the sandbox](/docs/en/sandboxing).
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691691When you enable sandboxing and leave `autoAllowBashIfSandboxed` at its default of `true`, sandboxed Bash commands run without prompting even if your permissions include a bare `Bash` ask rule, or the [equivalent `Bash(*)` form](#match-all-uses-of-a-tool): the sandbox boundary substitutes for that whole-tool prompt.
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693In [plan mode](/docs/en/permission-modes#analyze-before-you-edit-with-plan-mode), Claude Code skips this substitution. Without an ask rule, the [built-in read-only commands](#read-only-commands) still run without prompting, and any other shell command goes through the regular permission flow while you are still planning; see [plan mode](/docs/en/permission-modes#analyze-before-you-edit-with-plan-mode) for how Claude Code gates commands there. With a bare `Bash` ask rule, every Bash command prompts, including sandboxed read-only commands, the same as outside sandboxing. Before v2.1.212, the substitution applied in plan mode as well.
693In [plan mode](/docs/en/permission-modes#analyze-before-you-edit-with-plan-mode), Claude Code skips this substitution. Without an ask rule, the [built-in read-only commands](#read-only-commands) still run without prompting, and any other shell command goes through the regular permission flow while you are still planning; see [plan mode](/docs/en/permission-modes#analyze-before-you-edit-with-plan-mode) for how Claude Code gates commands there. With a bare `Bash` ask rule, every Bash command prompts, including sandboxed read-only commands, the same as outside sandboxing.
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695695These checks still apply:
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