calcard: Instructions file for Gemini CLI

GEMINI.md

calcard GEMINI.md is an instructions file for Gemini CLI from jherrma/calcard. It costs 620 tokens per session, scanned A, original, GPL-3.0.

A set of Gemini CLI instructions for the calcard project, including its project overview, file structure, instruction files, and development commands.

In plain words
What is it for?
Use it when working on calcard with Gemini CLI and you need to find the right instructions, understand the codebase, or run its development commands.
Why use it?
It gives Gemini CLI project-specific guidance instead of leaving it to guess how the repository is organised or tested.

Instructions file for Gemini CLI

Written for Gemini CLI: the file is GEMINI.md.

This is jherrma/calcard's own configuration. It tells Gemini CLI how to work on calcard 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 calcard configures →

Reuse

Borrowing it

Nothing to install: this file belongs to jherrma/calcard. 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/jherrma/calcard/master/GEMINI.md
Clone the repo
git clone --depth 1 https://github.com/jherrma/calcard

Made for: Gemini CLI.

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 calcard GEMINI.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/jherrma/calcard/gemini-md/github.svg)](https://agentmods.dev/instructions/jherrma/calcard/gemini-md)
Your own site
<a href="https://agentmods.dev/instructions/jherrma/calcard/gemini-md"><img src="https://agentmods.dev/badge/instructions/jherrma/calcard/gemini-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 calcard GEMINI.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/jherrma/calcard/gemini-md"><img src="https://agentmods.dev/badge/instructions/jherrma/calcard/gemini-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 620 This file is loaded in full into every session.
When invoked 620 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 unknown 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 $0.00620 $0.00620
Opus 5.5 $0.00248 $0.00248
Sonnet 5.5 $0.00124 $0.00124
Haiku 4.5 $0.00062 $0.00062

Measured 26d ago against content hash 786b07c23bc5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

calcard 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 26d 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.

GEMINI.md · 68 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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. 26d ago Changed · -1 lines · -14 tokens per session 786b07c23bc5
  2. 2mo ago First seen · 69 lines · 634 tokens per session scan A bbf80e6b2db7

Subscribe to this mod's changes

calcard GEMINI.md is an instructions file published in the GitHub repository jherrma/calcard (5 stars, last pushed yesterday), licensed GPL-3.0. It adds 620 tokens to every session, about $0.0025 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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