cc-notifier: Instructions file for Claude Code

CLAUDE.md

cc-notifier CLAUDE.md is an instructions file for Claude Code from trentmcnitt/cc-notifier. It costs 2,183 tokens per session, scanned B, original, MIT.

A project guide for Claude Code, covering the repository overview, context files, coding principles, and the project’s CLAUDE.md instructions.

In plain words
What is it for?
Use it when asking Claude Code to work on the cc-notifier project and follow its documented development practices.
Why use it?
It gives the coding agent the project-specific context it needs instead of leaving it to guess how the repository should be changed.

Instructions file for Claude Code

Written for Claude Code: SessionStart hook event. Also seen: reads .claude/ paths; mentions CLAUDE.md; mentions Claude Code.

This is trentmcnitt/cc-notifier's own configuration. It tells Claude Code how to work on cc-notifier 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 cc-notifier configures →

Reuse

Borrowing it

Nothing to install: this file belongs to trentmcnitt/cc-notifier. 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/trentmcnitt/cc-notifier/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/trentmcnitt/cc-notifier

Made for: Claude Code.

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 cc-notifier CLAUDE.md

README.md
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Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Your own site · 80×15
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Per session 2,183 This file is loaded in full into every session.
When invoked 2,183 The same file — it is already loaded in full.
Security scan B 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.02183 $0.02183
Opus 5.5 $0.00873 $0.00873
Sonnet 5.5 $0.00437 $0.00437
Haiku 4.5 $0.00218 $0.00218

Measured 1mo ago against content hash c3e80e728070, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

cc-notifier CLAUDE.md scanned grade B with 1 finding 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 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

Run `./install.sh` to set up dependencies and generate Claude Code hook configuration. The installer provides JSON configuration to add to `~/.claude/settings.json`.
CLAUDE.md · 239 lines

How it starts

The opening of the file, as written. The whole thing — 239 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

cc-notifier is a notification system for Claude Code hooks supporting both local macOS and remote SSH environments. It provides intelligent notifications when Claude Code completes tasks, with click-to-focus functionality on macOS and push notifications for remote usage.

Execution Model: Runs asynchronously in the background, allowing Claude Code hooks to continue without waiting for notification completion.

Environment Support (v0.3.0+):

  • Desktop Mode: macOS local usage with Hammerspoon window focusing and terminal-notifier
  • Remote Mode: SSH usage with push notifications only (auto-detected via SSH environment variables)

Hook Reference: For authoritative details about hook behaviors, execution order, and available data, review the official Claude Code hooks documentation.

See:

  • @cc_notifier.context.md
  • @tests/tests.context.md
  • @README.md

Context Files

Context files (*.context.md) provide AI assistants with essential architectural and behavioral context for associated code.

Location: Co-located with the code they describe.

Known context files:

  • ./cc_notifier.context.md: cc_notifier.py
  • ./tests/tests.context.md: All tests in the tests/ directory

Rules:

  • Read a file's associated context file before working with that file
  • Update context files when modifying associated code
  • Treat context files as the source of truth for architecture and code structure

Style: Concise, scannable, markdown-formatted. Bullet points preferred.

Code Philosophy

Write the minimum code necessary. Every line must justify its existence. This is a small notification tool, not an enterprise application.

Principles

  • Lean and Minimal - Resist over-architecture. Ask "could this be simpler?" before adding complexity.
  • Quality Without Bloat - Use modern tooling and strict standards without over-engineering.
  • Type Safety - Leverage Python's type system for better maintainability and IDE support.
  • Testable Design - Write code that can be easily tested and validated.
  • Git Operations - Never commit or push without explicit user consent.

Read the full file on GitHub · 239 lines

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. 1mo ago Changed · +4 lines · +64 tokens per session c3e80e728070
  2. 1mo ago First seen · 235 lines · 2,119 tokens per session scan B bf0489dfe506

Subscribe to this mod's changes

cc-notifier CLAUDE.md is an instructions file published in the GitHub repository trentmcnitt/cc-notifier (112 stars, last pushed 1mo ago), licensed MIT. It adds 2,183 tokens to every session, about $0.0087 per session on Opus 5.5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Related

Other instructions, from other repositories