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apple-mail-mcp: Hook for Claude Code

.claude/settings.json

PreToolUse is a hook for Claude Code from isityael/apple-mail-mcp. Its token cost is not measured, scanned A, original, MIT.

A pre-edit safeguard that runs before an agent edits or creates files in the Apple Mail MCP project.

In plain words
What is it for?
Blocking edits to imap.json and .env during Edit and Write operations.
Why use it?
It stops the agent from changing files that may contain email credentials or other sensitive settings.

Hook for Claude Code

Written for Claude Code: PreToolUse hook event.

This is isityael/apple-mail-mcp's own configuration. It tells Claude Code how to work on apple-mail-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything apple-mail-mcp configures →

Part of the apple-mail plugin — 3 skills, 1 command, 1 agent, 2 hooks, 1 MCP server shipped together

One of 3 entries in settings.json upstream. Installing this one merges just its entry into your config; the other 2 are separate, each on its own page.

not rated 0repo yesterday A scan tokens not measured original MIT
View source ↗ isityael/apple-mail-mcp
Reuse

Borrowing it

Nothing to install: this file belongs to isityael/apple-mail-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/isityael/apple-mail-mcp/main/.claude/settings.json
Clone the repo
git clone --depth 1 https://github.com/isityael/apple-mail-mcp

Made for: Claude Code.

Or install apple-mail, the plugin that ships this one along with the rest of its 3 skills, 1 command, 1 agent, 2 hooks, 1 MCP server.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for PreToolUse

README.md
[![agentmods](https://agentmods.dev/badge/hooks/isityael/apple-mail-mcp/pre-tool-use.svg)](https://agentmods.dev/hooks/isityael/apple-mail-mcp/pre-tool-use)
Your own site
<a href="https://agentmods.dev/hooks/isityael/apple-mail-mcp/pre-tool-use"><img src="https://agentmods.dev/badge/hooks/isityael/apple-mail-mcp/pre-tool-use.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

PreToolUse scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the commands this hook runs, not an audit. A hook is shell that executes on your machine at the event it names, which is why every command in it is printed with what was found.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/settings.json · 13 lines

What it actually says

{
  "PreToolUse": [
    {
      "matcher": "Edit|Write",
      "hooks": [
        {
          "type": "command",
          "command": "if echo \"$CLAUDE_FILE_PATH\" | grep -qE 'imap\\.json|\\.env$'; then echo 'BLOCK: Cannot edit credential files (imap.json, .env)' && exit 1; fi"
        }
      ]
    }
  ]
}
Same file

What else settings.json configures

This page is one entry in a file that holds 3. Installing the file brings all of them; each is measured and scanned on its own page.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago First seen · 13 lines scan A 6f437bf15427

Subscribe to this mod's changes

PreToolUse is a hook published in the GitHub repository isityael/apple-mail-mcp (0 stars, last pushed yesterday), licensed MIT. Its token cost is not measured: a hook is shell that never enters the context. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Related

Other hooks, from other repositories

PostToolUse

Runs after a tool call finishes for Write and Edit tool calls, executing format_and_lint.sh. From supabase/supabase.

supabase/supabase · not measured

SessionStart

Runs when a session starts on startup, executing install_pkgs.sh. From supabase/supabase.

supabase/supabase · not measured

SessionStart

Runs when a session starts, executing on-start.js via node. From google-gemini/gemini-cli.

google-gemini/gemini-cli · not measured

PreToolUse

Runs before the agent uses a tool for Bash tool calls, running an inline shell check. From apache/superset.

apache/superset · not measured

PreToolUse

Runs before the agent uses a tool, executing pre-write.sh and pre-bash.sh (2 commands). From anthropics/claude-cookbooks.

anthropics/claude-cookbooks · not measured

PreCompact

Runs before the context is compacted for manual and auto tool calls, executing hook-handler.cjs via node (4 commands). From ruvnet/RuView.

ruvnet/RuView · not measured