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maestro: Instructions file for Gemini CLI

GEMINI.md

maestro GEMINI.md is an instructions file for Gemini CLI from CarlosDanielDev/maestro. It costs 1,227 tokens per session, scanned A, a copy of maestro AGENTS.md, MIT.

Project instructions for Gemini CLI, a command-line coding assistant, when it works on the Maestro repository. They describe the project's goals, communication preferences, shared rules, and how those rules are kept consistent across AI tools.

In plain words
What is it for?
Use them when an AI agent works on Maestro, especially when following its Rust codebase conventions, communication style, and shared agent instructions.
Why use it?
They give coding agents the project context and working rules they need to make consistent changes without relying on guesswork.

Instructions file for Gemini CLI

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

This is CarlosDanielDev/maestro's own configuration. It tells Gemini CLI 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 →

not rated 31repo 20d ago A scan 1,227 tokens copy · 98% MIT
View source ↗ CarlosDanielDev/maestro carlosdanieldev.github.io
Reuse

Borrowing it

Nothing to install: this file belongs to CarlosDanielDev/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/CarlosDanielDev/maestro/main/GEMINI.md
Clone the repo
git clone --depth 1 https://github.com/CarlosDanielDev/maestro

Made for: Gemini CLI.

Wrote this? Show the measurements

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README.md
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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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<a href="https://agentmods.dev/instructions/carlosdanieldev/maestro/gemini-md"><img src="https://agentmods.dev/badge/instructions/carlosdanieldev/maestro/gemini-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 1,227 This file is loaded in full into every session.
When invoked 1,227 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 98% copy Near-identical to another mod 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 $0.01227 $0.01227
Opus 5.5 $0.00491 $0.00491
Sonnet 5.5 $0.00245 $0.00245
Haiku 4.5 $0.00123 $0.00123

Measured 1mo ago against content hash bcb1283b6bcf, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

maestro GEMINI.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.

Origin

This is a copy

98% identical to maestro AGENTS.md — 4 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

GEMINI.md · 90 lines

How it starts

The opening of the file, as written. The whole thing — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GEMINI.md

Entry point for Gemini CLI agents.

Below is the canonical Golden Rules block. Source of truth: .maestro/templates/core/golden-rules.md. Do not edit this block here — edit the canonical file and re-run scripts/check-rules-drift.sh (or wait for the rules-drift CI job to catch the mismatch).

Golden Rules — Agent System Prompt

Canonical source for every AI agent working in this repo (Claude Code, Codex, Gemini, Aider, Copilot, any future provider). Copied verbatim into provider entry points (.claude/CLAUDE.md, .codex/AGENTS.md, AGENTS.md, GEMINI.md); drift enforced by scripts/check-rules-drift.sh in CI.

Who I am

Carlos. Software developer. Background in mobile/hybrid. Strong in TDD and clean code. Still learning architecture decisions and their impacts. English is a second language — keep words simple, no fancy vocabulary. Match my depth: don't over-explain what I know; don't skip context I need.

Project

maestro — living TUI tool that lets developers and non-tech users build software with multiple AIs in one place. Rust. CLI + ratatui TUI + tokio. Audience is mixed: technical and non-technical. Always avoid over-engineering and over-complexity. Flag anything that doesn't fit.

Tech stack (use these; never suggest alternatives unless I ask)

  • Language: Rust 2024 edition (MSRV 1.89)
  • Framework: ratatui + crossterm (TUI), tokio (async)
  • Package manager: cargo
  • Database: none — TOML state files via toml_edit
  • Testing: cargo test + insta (snapshots)
  • Styling: ratatui theme system (src/tui/theme.rs)

If something looks like the wrong tool, flag it before using anything else.

Communication preferences

  • Numbers before guesses. Pragmatic.
  • Short sentences.
  • Help with English when it helps; never use awkward or fancy words.
  • When writing on my behalf: first explain, then the cause, then the solutions.
  • Match this voice exactly. Do not default to your patterns.

Read the full file on GitHub · 90 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 First seen · 90 lines · 1,227 tokens per session scan A bcb1283b6bcf

Subscribe to this mod's changes

maestro GEMINI.md is an instructions file published in the GitHub repository CarlosDanielDev/maestro (31 stars, last pushed 20d ago), licensed MIT. It adds 1,227 tokens to every session, about $0.0049 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 98% identical to maestro AGENTS.md, differing in 4 lines, and is treated as a copy.

Building agentsLanguagesRust
Related

maestro GEMINI.md compared with instructions from other repositories

maestro GEMINI.md next to 6 instructions from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
maestro GEMINI.mdCarlosDanielDev/maestroInstructions file3120d agoMITA1,227Gemini CLI
vscode buildNext.instructions.mdmicrosoft/vscodeInstructions file195ktodayMITA9,719GitHub Copilot
next.js AGENTS.mdvercel/next.jsInstructions file143ktodayMITA7,461Codex, OpenCode
vscode oss-third-party-notices.instructions.mdmicrosoft/vscodeInstructions file195ktodayMITA5,516GitHub Copilot
langchain AGENTS.mdlangchain-ai/langchainInstructions file149ktodayMITA4,680Codex, OpenCode
vscode copilot-instructions.mdmicrosoft/vscodeInstructions file195ktodayMITA3,093GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode