maestro: Instructions file for Claude Code

CLAUDE.md

maestro CLAUDE.md is an instructions file for Claude Code from tinhtran24/maestro. It costs 405 tokens per session, scanned A, original, Apache-2.0.

A project instruction file for Maestro, an application whose state and Electron data must stay under the .maestro directory. It also defines which existing web app and component style the interface should follow.

In plain words
What is it for?
Use it when changing Maestro's application state handling or user interface. It guides data-directory configuration, Electron storage paths, visual decisions, and use of shared interface components.
Why use it?
It prevents application data, caches, cookies, and worktrees from being written to unintended operating-system locations. It keeps new visual work aligned with the project's chosen reference design.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; mentions AGENTS.md.

This is tinhtran24/maestro's own configuration. It tells Claude Code how to work on maestro 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 maestro configures →

Reuse

Borrowing it

Nothing to install: this file belongs to tinhtran24/maestro. 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/tinhtran24/maestro/dev/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/tinhtran24/maestro

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 maestro CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/tinhtran24/maestro/claude-md/github.svg)](https://agentmods.dev/instructions/tinhtran24/maestro/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/tinhtran24/maestro/claude-md"><img src="https://agentmods.dev/badge/instructions/tinhtran24/maestro/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

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.

agentmods 80×15 button for maestro CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/tinhtran24/maestro/claude-md"><img src="https://agentmods.dev/badge/instructions/tinhtran24/maestro/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 405 This file is loaded in full into every session.
When invoked 405 The same file — it is already loaded in full.
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.
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 $0.00405 $0.00405
Opus 5.5 $0.00162 $0.00162
Sonnet 5.5 $0.00081 $0.00081
Haiku 4.5 $0.00040 $0.00040

Measured 1mo ago against content hash b30463c7bf36, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

maestro CLAUDE.md 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 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.

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.md · 31 lines

What it actually says

CLAUDE.md

Read and follow AGENTS.md for repository layout, commands, coding conventions, and hard rules.

App state lives under ~/.maestro only

All app state, the daemon's data dir, running.json, worktrees, and the Electron supervisor's userData (Chromium cache, cookies, local/session storage, crash dumps), must resolve under ~/.maestro (overridable via MAESTRO_DATA_DIR/MAESTRO_RUN_FILE). Never write to or read from ~/Library/Application Support or any other OS-default app-data location. frontend/src/main.ts pins Electron's userData to ~/.maestro/electron; do not remove that override. See the hard rule in AGENTS.md.

Design System

Always read DESIGN.md before making any visual or UI decision — start with the "clone maestro verbatim" banner at the top, which governs the current look.

The renderer clones the maestro web app verbatim (~/Projects/maestro/packages/web/src) in looks and design, with a refined-blue accent and the terminal keeping its own palette. This supersedes the older "match emdash" framing in DESIGN.md (per explicit user decision 2026-06-10). Build new UI from shadcn primitives (components/ui/*) where a component fits. Do not deviate without explicit user approval. In QA/review, flag any renderer code that diverges from maestro — do not re-flag emdash mismatches.

When showing or demoing frontend changes, run maestro preview [url] from inside the session so the change renders in the desktop browser panel (the inspector rail's Browser tab); do not just describe it.

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 First seen · 31 lines · 405 tokens per session scan A b30463c7bf36

Subscribe to this mod's changes

maestro CLAUDE.md is an instructions file published in the GitHub repository tinhtran24/maestro (6 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 405 tokens to every session, about $0.0016 per session on Opus 5.5. 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.

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