What is hermes-gem-pw AGENTS.md?

Instructions for using gem-pw, a browser-controlled command-line tool for chatting with and managing Gemini Gems. Gemini Gems are customized Gemini assistants that can retain instructions and uploaded reference files.

Use it to chat with, create, edit, delete, or upload files to Gemini Gems, generate images, continue conversations, and collaborate on targeted code or document changes.

It provides a way to use Gemini's web interface when API-based tools fail with authentication errors or timeouts. It also describes multi-turn sessions and applying focused file edits returned by the tool.

How lesterppo/hermes-gem-pw configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to lesterppo/hermes-gem-pw. 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/lesterppo/hermes-gem-pw/master/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/lesterppo/hermes-gem-pw

Made for: Codex, OpenCode.

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/lesterppo/hermes-gem-pw/agents-md/github.svg)](https://agentmods.dev/instructions/lesterppo/hermes-gem-pw/agents-md)

Your own site

<a href="https://agentmods.dev/instructions/lesterppo/hermes-gem-pw/agents-md"><img src="https://agentmods.dev/badge/instructions/lesterppo/hermes-gem-pw/agents-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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/lesterppo/hermes-gem-pw/agents-md"><img src="https://agentmods.dev/badge/instructions/lesterppo/hermes-gem-pw/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 1,492 This file is loaded in full into every session.

When invoked 1,492 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.

Model	Per session	Once invoked
Fable 5.1	$0.01492	$0.01492
Opus 5.5	$0.00597	$0.00597
Sonnet 5.5	$0.00298	$0.00298
Haiku 4.5	$0.00149	$0.00149

Measured 2mo ago against content hash 114a8f963a50, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

hermes-gem-pw AGENTS.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 2mo 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.

AGENTS.md · 149 lines

How it starts

The opening of the file, as written. The whole thing — 149 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md — Hermes Agent Guide

What This Tool Does

gem-pw is a browser-automated CLI for interacting with Gemini Gems. It bypasses gemini-webapi's broken RPC authentication by driving the real Gemini web UI through a Chromium browser (CDP-first, headed fallback).

One tool. This repo ships only gem-pw. The older gem.py is superseded and removed.

When an Agent Should Use This

User shares a Gemini Gem link (gemini.google.com/gem/...).
gemini-webapi or gem-cli returns UNAUTHENTICATED / timeout.
Need to chat, create, edit, delete Gems, upload files, or generate images.
Need multi-turn conversation with memory across turns.
Need token-efficient code/design iteration via --collab surgical diffs.
Need Pro + Extended Thinking with large knowledge bases.

How to Invoke

# Chat
gem-pw <gem-id> "prompt"
gem-pw <gem-id> -c sess.json "prompt"     # Multi-turn
gem-pw <gem-id> -m pro --thinking extended -t 600 "deep"

# Surgical-diff iteration (token-efficient)
gem-pw --collab <gem-id> -f file "instruction" -o resp.md -t 300
python3 apply_gem_diff.py resp.md file            # apply
python3 apply_gem_diff.py resp.md file --dry      # preview

# Gem CRUD
gem-pw --create "Name" "Instructions" -m pro --thinking extended
gem-pw --create "Name" "Instr" \
  --knowledge-file paper.pdf \
  --knowledge-code https://github.com/user/repo \
  --knowledge-folder /path/to/project
gem-pw --edit <gem-id> --name "New Name"
gem-pw --edit <gem-id> --instructions "New prompt..."
gem-pw --edit <gem-id> --knowledge-code https://github.com/user/repo
gem-pw --edit <gem-id> -m pro --thinking extended
gem-pw --delete <gem-id>

# Upload / Image
gem-pw --upload <gem-id> -f file "Q"
gem-pw --img <gem-id> "description"

# Help
gem-pw --help

Setup (one-time)

pip install playwright aiohttp
playwright install chromium
gem-pw-login  # Opens Chromium window — sign into Gemini (needs X display)

Optionally start a persistent CDP browser for the fast path: cr-server start --headed (listens on http://127.0.0.1:9223).

Read the full file on GitHub · 149 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.

2mo ago First seen · 149 lines · 1,492 tokens per session scan A 114a8f963a50

Subscribe to this mod's changes

hermes-gem-pw AGENTS.md is an instructions file published in the GitHub repository lesterppo/hermes-gem-pw (1 stars, last pushed 3mo ago), licensed MIT. It adds 1,492 tokens to every session, about $0.0060 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.

Browser automation ai-agent browser-automation cli gemini hermes-agent playwright

hermes-gem-pw AGENTS.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
hermes-gem-pw AGENTS.mdlesterppo/hermes-gem-pw	Instructions file	1	3mo ago	MIT	A	1,492	Codex, OpenCode
vscode buildNext.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	9,719	GitHub Copilot
next.js AGENTS.mdvercel/next.js	Instructions file	143k	today	MIT	A	7,461	Codex, OpenCode
vscode oss-third-party-notices.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	5,649	GitHub Copilot
langchain AGENTS.mdlangchain-ai/langchain	Instructions file	149k	today	MIT	A	4,680	Codex, OpenCode
vscode copilot-instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	3,093	GitHub Copilot
vscode model-prompts.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	2,022	GitHub Copilot

hermes-gem-pw: Instructions file for Codex