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faf-mcp: Instructions file for Gemini CLI

GEMINI.md

faf-mcp GEMINI.md is an instructions file for Gemini CLI from Wolfe-Jam/faf-mcp. It costs 340 tokens per session, scanned A, original, MIT.

A set of Gemini CLI instructions for the faf-mcp project, including setup, build, test, lint, file locations, technology choices, and change restrictions. Gemini CLI reads them when working in the repository.

In plain words
What is it for?
Use it to guide Gemini CLI through development, testing, linting, and safe changes to the TypeScript MCP project.
Why use it?
It prevents repeated explanations of the project and makes important checks and approval rules visible to the coding assistant.

Instructions file for Gemini CLI

Written for Gemini CLI: the file is GEMINI.md. Also seen: mentions Gemini CLI.

This is Wolfe-Jam/faf-mcp's own configuration. It tells Gemini CLI how to work on faf-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 faf-mcp configures →

not rated 7repo yesterday A scan 340 tokens original MIT
View source ↗ Wolfe-Jam/faf-mcp faf.one
Reuse

Borrowing it

Nothing to install: this file belongs to Wolfe-Jam/faf-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/Wolfe-Jam/faf-mcp/main/GEMINI.md
Clone the repo
git clone --depth 1 https://github.com/Wolfe-Jam/faf-mcp

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 faf-mcp GEMINI.md

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

Your own site · 80×15
<a href="https://agentmods.dev/instructions/wolfe-jam/faf-mcp/gemini-md"><img src="https://agentmods.dev/badge/instructions/wolfe-jam/faf-mcp/gemini-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 340 This file is loaded in full into every session.
When invoked 340 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 $0.00340 $0.00340
Opus 5.5 $0.00136 $0.00136
Sonnet 5.5 $0.00068 $0.00068
Haiku 4.5 $0.00034 $0.00034

Measured 1mo ago against content hash 1da18a993d89, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

faf-mcp 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.

GEMINI.md · 50 lines

What it actually says

GEMINI.md — faf-mcp

Authored from project.faf — refresh with faf export --gemini.

Project: faf-mcp Goal: The Interop MCP for Context — the Cursor / IDE Edition. Persistent context for Cursor, VS Code, and every MCP-compatible IDE. IANA-registered application/vnd.faf+yaml. Start with "Use FAF". Language: TypeScript

Setup & build

npm run build    # build
npm run dev    # dev

Test & verify

npm run test
npm run lint

Where things live

  • package.json
  • src/index.ts
  • src/cli.ts
  • README.md
  • tsconfig.json
  • vercel.json

Stack

  • Backend: MCP SDK (TS)
  • API: MCP (stdio)
  • Runtime: Node.js >=22
  • Hosting: npm
  • Build: TypeScript (tsc)
  • CI/CD: GitHub Actions
  • Package Manager: npm

Before changing things

  • Ask first: dependency installs, deletions, migrations, schema changes, publish/release.
  • Never: force-push · push straight to main · commit secrets.
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 · 50 lines · 340 tokens per session scan A 1da18a993d89

Subscribe to this mod's changes

faf-mcp GEMINI.md is an instructions file published in the GitHub repository Wolfe-Jam/faf-mcp (7 stars, last pushed yesterday), licensed MIT. It adds 340 tokens to every session, about $0.0014 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 2026-09-11.

LanguagesMemory and contextTypeScriptaiai-contextcursordeveloper-toolsfafmcp
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