Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add Gekkos-tech/agency-os --skill social-formatsgit clone --depth 1 https://github.com/Gekkos-tech/agency-osWrote 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.
[](https://agentmods.dev/skills/gekkos-tech/agency-os/social-formats)<a href="https://agentmods.dev/skills/gekkos-tech/agency-os/social-formats"><img src="https://agentmods.dev/badge/skills/gekkos-tech/agency-os/social-formats/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.
<a href="https://agentmods.dev/skills/gekkos-tech/agency-os/social-formats"><img src="https://agentmods.dev/badge/skills/gekkos-tech/agency-os/social-formats.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00149 | $0.01405 |
| Opus 5 | $0.00075 | $0.00702 |
| Sonnet 5 | $0.00030 | $0.00281 |
| Haiku 4.5 | $0.00015 | $0.00140 |
Grade A, and why
social-formats 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 12d 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.
How it starts
The opening of the file, as written. The whole thing — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Social Formats — Spec Reference & Adaptation Workflow
Turn ONE master creative into every format the media plan needs, without UI overlap, bad crops, or spec rejections. Specs verified July 2026 — always spot-check platform docs before final export.
Reference files (verified spec tables)
| File | Covers |
|---|---|
references/meta-instagram.md |
Facebook Feed, Stories, Reels, Right Column, Marketplace, Carousel; Instagram Feed, Stories, Reels, Explore, Carousel |
references/tiktok.md |
In-Feed, TopView, Spark Ads, image/carousel |
references/linkedin.md |
Single image, video, carousel, document ads, text ads, Stories status |
references/youtube.md |
Shorts, skippable/non-skippable in-stream, bumper, thumbnails, banner |
Load only the reference file(s) for the platforms actually in the media plan.
Adaptation workflow
Step 1 — Establish the master creative
Start from ONE master in the richest format you will need:
- Video-led campaign → master at 9:16, 1080x1920 (covers Stories, Reels, TikTok, Shorts natively; center-crop to 4:5 / 1:1 / 16:9).
- Static/feed-led campaign → master at 4:5, 1080x1350 (crops cleanly to 1:1; extend background to reach 9:16 — never stretch).
Master rules: build at final pixel size or larger (never upscale), keep the subject and core message inside a center 1:1 zone so every derived crop keeps the story, keep logo/CTA on separate layers so they can be repositioned per placement.
Step 2 — Derive the format matrix from the media plan
For each platform+placement in the media plan, read the matching reference file and list: ratio, px, max file size, max duration, safe zone. The output is a checklist table — one row per required export. Do not export formats the plan doesn't buy.
Minimum typical matrix from one master pair (4:5 + 9:16):
| Ratio | Px | Serves |
|---|---|---|
| 9:16 | 1080x1920 | FB/IG Stories & Reels, TikTok, YouTube Shorts |
| 4:5 | 1080x1350 | FB/IG Feed |
| 1:1 | 1080x1080 | Carousels, Marketplace, Right Column, LinkedIn |
| 16:9 | 1920x1080 | YouTube in-stream, LinkedIn video |
What ships with it
4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 12d ago First seen · 103 lines · 149 tokens per session scan A 976bae9f3706
social-formats is a skill published in the GitHub repository Gekkos-tech/agency-os (5 stars, last pushed 2mo ago), licensed MIT. It adds 149 tokens to every session and 1,405 once invoked, about $0.0007 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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