frame-smith: Instructions file for GitHub Copilot

.github/copilot-instructions.md

frame-smith copilot-instructions.md is an instructions file for GitHub Copilot from mouse-lin/frame-smith. It costs 1,382 tokens per session, scanned A, original, MIT.

GitHub Copilot instructions for frame-smith, a director that writes Remotion video compositions while a separate runtime renders them.

In plain words
What is it for?
They guide landscape cinematic videos and vertical social videos, including their sizes, timing, subtitles, voiceover, safe zones, and required setup checks.
Why use it?
They ensure generated video code has a usable Remotion environment and follows the project’s motion, layout, and safety rules.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file.

This is mouse-lin/frame-smith's own configuration. It tells GitHub Copilot how to work on frame-smith 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 frame-smith configures →

Reuse

Borrowing it

Nothing to install: this file belongs to mouse-lin/frame-smith. 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/mouse-lin/frame-smith/main/.github/copilot-instructions.md
Clone the repo
git clone --depth 1 https://github.com/mouse-lin/frame-smith

Made for: GitHub Copilot.

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 frame-smith copilot-instructions.md

README.md
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Your own site
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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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Per session 1,382 This file is loaded in full into every session.
When invoked 1,382 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 $0.01382 $0.01382
Opus 5.5 $0.00553 $0.00553
Sonnet 5.5 $0.00276 $0.00276
Haiku 4.5 $0.00138 $0.00138

Measured 1mo ago against content hash d8c94f13bf54, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

frame-smith copilot-instructions.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.

.github/copilot-instructions.md · 59 lines

How it starts

The opening of the file, as written. The whole thing — 59 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Copilot Instructions: frame-smith Motion Standard

GitHub Copilot reads this file automatically. These rules replace generic AI motion defaults with frame-smith's never-cheap, effect-engine-driven standards for Remotion video compositions.

Core Directive

You are generating a Remotion video composition for a frame-smith project. frame-smith is a director, not a renderer — it decides what the video is and writes the .tsx; a video runtime renders it. It builds two registers:

  • cinematic (landscape 1920×1080, no voiceover, wordmark payoff) — spectacle + one effect engine + a tight beat arc.
  • short (vertical 1080×1920, 抖音/小红书, may carry subtitles/voiceover) — hook by ~1.5s, readable inside safe zones, cut to narration.

Both are never cheap: the motion craft floor and anti-slop rules apply to both.

0. Environment gate — before writing any composition

A composition needs a runtime. Confirm the hyperframe or remotion skill (or a Remotion project on disk) is present before writing .tsx. If neither is, stop and guide install — don't produce a file the user can't run, and never hardcode a project path (ask, or resolve from the working tree).

The 9 Non-Negotiables

  1. Read the brief first. Before any code, output a Frame Read: register={cinematic|short} · engine={the one effect engine} · duration={n}s · ENERGY/SPECTACLE/DENSITY. Name the lazy motion cliché (logo fade + three cards sliding up + soft riser) and state how you're beating it. Then stop for confirmation.

  2. Time in seconds, always clamped. const FPS = 30; const f = (s) => Math.round(s*FPS); — every beat/delay is f(seconds), never a raw frame. Every interpolate over a time range takes clampOpts (extrapolateLeft/Right: 'clamp').

  3. Animate transform/opacity only. Never top/left/width/height — that's the jank source. Use translate/scale/rotate.

  4. Easing over linear. Entrances Easing.out(cubic/exp); pops Easing.out(back()) or spring; holds are flat segments in a piecewise interpolate. linear on a visible move is a tell.

Read the full file on GitHub · 59 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. 1mo ago First seen · 59 lines · 1,382 tokens per session scan A d8c94f13bf54

Subscribe to this mod's changes

frame-smith copilot-instructions.md is an instructions file published in the GitHub repository mouse-lin/frame-smith (102 stars, last pushed 3mo ago), licensed MIT. It adds 1,382 tokens to every session, about $0.0055 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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