roborazzi: Instructions file for Codex

AGENTS.md

roborazzi AGENTS.md is an instructions file for Codex, OpenCode from takahirom/roborazzi. It costs 777 tokens per session, scanned A, original, Apache-2.0.

A set of repository instructions for AI coding agents working on the Roborazzi project. It explains how to assess public API changes, project conventions, global state, and documentation before editing the code.

In plain words
What is it for?
Use it when adding or changing Roborazzi public APIs, Gradle settings, Kotlin interfaces, or related documentation. It directs the agent to consult the project's contributing guidance and nearby code.
Why use it?
It gives agents project-specific rules that are not available from a general coding assistant, reducing inconsistent API additions and changes that are hard to maintain.

Instructions file for CodexOpenCode

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

This is takahirom/roborazzi's own configuration. It tells Codex and OpenCode how to work on roborazzi 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 roborazzi configures →

About the project

Roborazzi is an Android testing tool that captures screenshots from JVM tests using Robolectric, which simulates Android framework behavior on a developer’s computer. It helps teams check an app’s visual appearance and interactions without relying solely on physical devices or emulators. The catalogue skill supports using Roborazzi for screenshot-based Android testing.

takahirom/roborazzi · 1,064 stars · on GitHub · takahirom.github.io

Reuse

Borrowing it

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

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.

agentmods badge for roborazzi AGENTS.md

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

agentmods 80×15 button for roborazzi AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/takahirom/roborazzi/agents-md"><img src="https://agentmods.dev/badge/instructions/takahirom/roborazzi/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 777 This file is loaded in full into every session.
When invoked 777 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 $0.00777 $0.00777
Opus 5.5 $0.00311 $0.00311
Sonnet 5.5 $0.00155 $0.00155
Haiku 4.5 $0.00078 $0.00078

Measured 17d ago against content hash 360b5d7f8a10, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

roborazzi 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 17d 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 · 26 lines

How it starts

The opening of the file, as written. The whole thing — 26 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Guidance for AI coding agents working on Roborazzi. For build setup, project structure, and how to run tests, read CONTRIBUTING.md first.

Adding or changing public API

Roborazzi is a library, so anything public is hard to change later. That includes Gradle properties, the Gradle DSL, and IDs shown in messages, not only Kotlin API. Before adding public API, check each point below. In the PR description, say how the change handles each one.

  1. Fits in with its neighbours. Look at the properties, parameters, and functions next to where you are adding it. Check that its name, parameter order, and default look like theirs and nothing stands out. When the same feature also appears in the Gradle DSL, gradle.properties, Kotlin API, or docs, use the same name in every place. Name it after what users see there, not after where the code runs (plugin, library, test JVM), which may change.
  2. Has a home to grow in. Put a new setting in the options class for its area, not directly on RoborazziOptions. If there is no such class, consider adding one: a blur setting, for example, would go in a rendering options class, so the next rendering setting has a place too.
  3. Can change without breaking callers. Don't use a data class for new public types: adding a property changes its constructor and copy(), which breaks binary compatibility. If a type needs equals/hashCode/toString, annotate a plain class with @Poko (Roborazzi's own marker in roborazzi-core). If new kinds are likely, prefer an interface over an enum class.
  4. Hard to misuse. Avoid adjacent parameters of the same type that still compile when swapped. Validate in init and fail early with a message that includes the bad value.
  5. Marked @ExperimentalRoborazziApi when in doubt. This is the norm for new features here.

Then run ./gradlew apiDump (and cd include-build && ./gradlew apiDump), commit the api/*.api files, and read the diff. Every removed or changed line is a potential binary break. Restore it with a @Deprecated(level = DeprecationLevel.HIDDEN) bridge, or call it out in the PR.

Read the full file on GitHub · 26 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. 17d ago First seen · 26 lines · 777 tokens per session scan A 360b5d7f8a10

Subscribe to this mod's changes

roborazzi AGENTS.md is an instructions file published in the GitHub repository takahirom/roborazzi (1,064 stars, last pushed yesterday), licensed Apache-2.0. It adds 777 tokens to every session, about $0.0031 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 2026-10-05.

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