homeassistant-cozylife: Instructions file for Codex

AGENTS.md

homeassistant-cozylife AGENTS.md is an instructions file for Codex, OpenCode from polaralias/homeassistant-cozylife. It costs 816 tokens per session, scanned A, original, Apache-2.0.

Repository instructions for the homeassistant-cozylife project, a Home Assistant integration for CozyLife devices on a local network.

In plain words
What is it for?
Follow them when changing the integration, its release metadata, or its documentation.
Why use it?
They define release, documentation, and evidence rules so changes and claims match the project's actual behavior.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md.

This is polaralias/homeassistant-cozylife's own configuration. It tells Codex and OpenCode how to work on homeassistant-cozylife 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 homeassistant-cozylife configures →

Reuse

Borrowing it

Nothing to install: this file belongs to polaralias/homeassistant-cozylife. 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/polaralias/homeassistant-cozylife/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/polaralias/homeassistant-cozylife

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.

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README.md
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Your own site
<a href="https://agentmods.dev/instructions/polaralias/homeassistant-cozylife/agents-md"><img src="https://agentmods.dev/badge/instructions/polaralias/homeassistant-cozylife/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.

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Your own site · 80×15
<a href="https://agentmods.dev/instructions/polaralias/homeassistant-cozylife/agents-md"><img src="https://agentmods.dev/badge/instructions/polaralias/homeassistant-cozylife/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 816 This file is loaded in full into every session.
When invoked 816 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 $0.00816 $0.00816
Opus 5 $0.00408 $0.00408
Sonnet 5 $0.00163 $0.00163
Haiku 4.5 $0.00082 $0.00082

Measured 9d ago against content hash dcb342ac1850, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

homeassistant-cozylife 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 9d 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 · 87 lines

How it starts

The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Repository Operating Guide

This file defines how humans and agents should work in this repository.

Core Rules

  • Keep HACS metadata updates manual.
  • When preparing a release, bump custom_components/cozylife/manifest.json explicitly.
  • If needed, adjust hacs.json explicitly in the same deliberate change.
  • Do not introduce workflows or scripts that automatically commit or push version changes on merge.
  • Prefer standard HACS versioning through manual releases and Git tags.

Documentation Rules

  • Treat existing prose as unverified until it is supported by code or live validation.
  • Treat code as intent, not proof.
  • When documentation states a desired end state, label it clearly as target-state guidance rather than current behaviour.
  • Prefer outcome-focussed docs over historical narration.
  • When behaviour has been validated on real hardware or in a live Home Assistant runtime, record the evidence and date.

Current Product Frame

This repository is a Home Assistant custom integration for CozyLife devices on the local network.

Current observed scope:

  • config-flow onboarding,
  • local discovery by TCP scan and UDP broadcast assistance,
  • light entities,
  • switch entities,
  • sensor datapoint entities,
  • periodic rediscovery to repair stale device IP addresses.

Current verified support:

  • lights are verified on real hardware,
  • switches and sensors are code-observed but not yet hardware-verified.

Do not use this summary as the primary architecture source. See ARCHITECTURE.md and docs/ for maintained documentation.

Preferred Documentation Sources

Use these files in this order:

  1. AGENTS.md
  2. GLOSSARY.md
  3. ARCHITECTURE.md
  4. docs/PLANS.md
  5. docs/exec-plans/active/implementation-readiness.md
  6. docs/RELIABILITY.md
  7. docs/SUPPORT.md
  8. docs/SECURITY.md
  9. docs/design-docs/
  10. docs/product-specs/
  11. docs/exec-plans/

Treat CODEBASE_MAP.md and VERIFICATION_AUDIT.md as dated evidence artefacts, not as the final canonical documentation layer.

Read the full file on GitHub · 87 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. 9d ago First seen · 87 lines · 816 tokens per session scan A dcb342ac1850

Subscribe to this mod's changes

homeassistant-cozylife AGENTS.md is an instructions file published in the GitHub repository polaralias/homeassistant-cozylife (5 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 816 tokens to every session, about $0.0041 per session on Opus 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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