atc-supplementary

atc-supplementary is a skill for Claude Code from brycewang-stanford/Awesome-Journal-Skills. It costs 76 tokens per session (1,027 once invoked), scanned A, original, MIT.

A guide to placing content in an ATC submission: the two-page summary, 12-page paper, optional appendix, and research artifact. It explains which reviewers see each part and what each part is allowed to establish.

In plain words
What is it for?
Use it to decide where to put results, design details, proofs, graphs, parameter tables, and runnable evidence in an ATC paper.
Why use it?
It prevents acceptance-critical evidence from being hidden in an appendix or artifact that reviewers may not be required to read. It also helps separate core explanations from supporting detail.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the atc-skills plugin — 12 skills shipped together

Good fit Use it to decide where to put results, design details, proofs, graphs, parameter tables, and runnable evidence in an ATC paper.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/brycewang-stanford/awesome-journal-skills/atc-supplementary
About the project

Awesome Journal Skills is a collection of agent skill packs tailored to hundreds of academic journals across fields including economics, social science, medicine, science, and engineering. Researchers use the packs for tasks such as choosing topics, designing empirical strategies, preparing tables and figures, submitting papers, and responding to reviewers. The catalogue entries are the project's journal-specific skills and related plugins.

brycewang-stanford/Awesome-Journal-Skills · 1,264 stars · on GitHub · copaper.ai

Install

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.

Any agent
npx skills add brycewang-stanford/Awesome-Journal-Skills --skill atc-supplementary
Clone the repo
git clone --depth 1 https://github.com/brycewang-stanford/Awesome-Journal-Skills

Made for: Claude Code.

Or install atc-skills, the plugin that ships this one along with the rest of its 12 skills.

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 atc-supplementary

README.md
[![agentmods](https://agentmods.dev/badge/skills/brycewang-stanford/awesome-journal-skills/atc-supplementary/github.svg)](https://agentmods.dev/skills/brycewang-stanford/awesome-journal-skills/atc-supplementary)
Your own site
<a href="https://agentmods.dev/skills/brycewang-stanford/awesome-journal-skills/atc-supplementary"><img src="https://agentmods.dev/badge/skills/brycewang-stanford/awesome-journal-skills/atc-supplementary/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 atc-supplementary

Your own site · 80×15
<a href="https://agentmods.dev/skills/brycewang-stanford/awesome-journal-skills/atc-supplementary"><img src="https://agentmods.dev/badge/skills/brycewang-stanford/awesome-journal-skills/atc-supplementary.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 76 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,027 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 $0.00076 $0.01027
Opus 5.5 $0.00030 $0.00411
Sonnet 5.5 $0.00015 $0.00205
Haiku 4.5 $0.00008 $0.00103

Measured 1mo ago against content hash 35f5163100ab, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

atc-supplementary 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.

ATC-Skills/skills/atc-supplementary/SKILL.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ATC Supplementary

ATC gives you four places to put content, each read by a different reviewer under a different rule: the two-page extended abstract (round one, two reviewers), the 12-page body (round two, 3-4 reviewers), the appendix (optional reading), and the artifact (opened during round two and evaluated post-acceptance). Placing content correctly is a strategic decision, not a formatting one, because reviewers are not required to read the appendix and a round-one reviewer may read only the abstract.

The placement rule

Anything that decides acceptance goes in a place the deciding reviewer is required to read.

  • Round-one acceptance is decided from the extended abstract → the problem, contribution, headline result, and honest cost must be in the abstract.
  • Round-two acceptance is decided from the body → every load-bearing design detail, baseline, and result must be in the 12 pages.
  • The appendix holds support a curious reviewer may consult — extra graphs, proofs, parameter tables — never a result the verdict depends on.
  • The artifact holds runnable evidence and full data — it strengthens trust and earns badges, but the paper must be judgeable without executing it.

What goes where

Content Home Why
Problem, contribution, testbed, headline result, key cost Extended abstract The round-one decision surface; must stand alone
Design rationale, implementation, main experiments, fair baselines, tails/variance Body (≤12 pp) The round-two decision surface; nothing acceptance-critical may leave it
Extra sensitivity graphs, parameter sweeps, proofs, extended tables Appendix Optional depth; reviewers not required to read it
Full code, traces/datasets, configs, claim-to-experiment scripts Artifact Runnable evidence + badge material; paper still judged without running it

The extended abstract is not a teaser

The most common ATC mistake is treating the extended abstract as a marketing blurb that depends on the paper. It is a self-contained argument that must survive being read instead of the paper (see atc-writing-style). Move the real problem, the real contribution, and a real result into it; do not defer them to "as shown in the paper."

Read the full file on GitHub · 79 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 · 79 lines · 76 tokens per session scan A 35f5163100ab

Subscribe to this mod's changes

atc-supplementary is a skill published in the GitHub repository brycewang-stanford/Awesome-Journal-Skills (1,264 stars, last pushed 19d ago), licensed MIT. It adds 76 tokens to every session and 1,027 once invoked, about $0.0003 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 2026-09-15.

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