get-domain-cookies

get-domain-cookies is a skill for Claude Code from Brainrot-Creations/claude-plugins. It costs 27 tokens per session (235 once invoked), scanned A, original, MIT.

A helper skill for retrieving Chrome cookies belonging to a website domain, such as a cinema ticketing site.

In plain words
What is it for?
Use it to obtain a domain's cookie header and save it for related theatre, showtime, or seat tools.
Why use it?
It lets supported tools reuse an existing browser session when a website requires login or queue information.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is Bash(python3 plugins/amc-api/tools/getcookies.py *).

Part of the amc-theatres plugin — 1 skill shipped together

Good fit Use it to obtain a domain's cookie header and save it for related theatre, showtime, or seat tools.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/Brainrot-Creations/claude-plugins
agentmods
npx agentmods add skills/brainrot-creations/claude-plugins/get-domain-cookies

Made for: Claude Code.

Or install amc-theatres, the plugin that ships this one along with the rest of its 1 skill.

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 get-domain-cookies

README.md
[![agentmods](https://agentmods.dev/badge/skills/brainrot-creations/claude-plugins/get-domain-cookies/github.svg)](https://agentmods.dev/skills/brainrot-creations/claude-plugins/get-domain-cookies)
Your own site
<a href="https://agentmods.dev/skills/brainrot-creations/claude-plugins/get-domain-cookies"><img src="https://agentmods.dev/badge/skills/brainrot-creations/claude-plugins/get-domain-cookies/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 get-domain-cookies

Your own site · 80×15
<a href="https://agentmods.dev/skills/brainrot-creations/claude-plugins/get-domain-cookies"><img src="https://agentmods.dev/badge/skills/brainrot-creations/claude-plugins/get-domain-cookies.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 235 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00027 $0.00235
Opus 5.5 $0.00011 $0.00094
Sonnet 5.5 $0.00005 $0.00047
Haiku 4.5 $0.00003 $0.00023

Measured 1mo ago against content hash 517d206072bf, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

get-domain-cookies 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.

plugins/amc-theatres/skills/get-domain-cookies/SKILL.md · 39 lines

What it actually says

Get Domain Cookies

Run the local helper script in this repo:

python3 plugins/amc-api/tools/getcookies.py <domain>

Behavior

  • Return stdout exactly as the Cookie header string.
  • If stdout is empty, report no cookies found for that domain.
  • After retrieving cookie text, store it in AMC MCP using amc_cookie_set so amc_theatres, amc_showtimes, and amc_seats can reuse it automatically.
  • If dependency is missing, instruct:
pip3 install --user --break-system-packages browser-cookie3

Example

python3 plugins/amc-api/tools/getcookies.py amctheatres.com

Then persist in plugin config:

amc_cookie_set(cookie="<paste-output-here>")
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 · 39 lines · 27 tokens per session scan A 517d206072bf

Subscribe to this mod's changes

get-domain-cookies is a skill published in the GitHub repository Brainrot-Creations/claude-plugins (23 stars, last pushed 4mo ago), licensed MIT. It adds 27 tokens to every session and 235 once invoked, about $0.0001 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 2026-08-30.

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