Agent skill

Recsys Reproducibility

by brycewang-stanford in brycewang-stanford/Awesome-Journal-Skills

A skill your agent uses when strengthening the reproducibility of an ACM RecSys paper or preparing a RecSys Reproducibility Track submission — pinning dataset versions and splits, tuning baselines…

MITAuto-check passedResearch & Science

Install Recsys Reproducibility

skills CLI
$ npx skills add brycewang-stanford/Awesome-Journal-Skills --skill recsys-reproducibility -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install brycewang-stanford/Awesome-Journal-Skills recsys-reproducibility --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/brycewang-stanford/Awesome-Journal-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/RecSys-Skills/skills/recsys-reproducibility .claude/skills/recsys-reproducibility && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
recsys-reproducibility
GitHub stars
1.2k
Token cost
~1.2k tokens
SKILL.md length
500 words
Files
1
Skills in repo
2,387
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when strengthening the reproducibility of an ACM RecSys paper or preparing a RecSys Reproducibility Track submission — pinning dataset versions and splits, tuning baselines…

  • Strengthening the reproducibility of an ACM RecSys paper
  • SKILL.md covers Why recommender results drift:…, Minimum reporting block for…, The Reproducibility Track… and Vignette: a session-model…, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Preparing a RecSys Reproducibility Track submission — pinning dataset versions and splits

What it does

Recsys Reproducibility is an agent skill from brycewang-stanford/Awesome-Journal-Skills. Use when strengthening the reproducibility of an ACM RecSys paper or preparing a RecSys Reproducibility Track submission — pinning dataset versions and splits, tuning baselines under an equal budget, reporting seeds and variance, avoiding sampled-metric distortion, and structuring a reproduction study with honest divergence analysis.

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Research & Science, covering Reproducible research. The repository describes itself as: Journal-specific Claude Code/Codex skill packs covering mainstream journals — AER, QJE, Nature, Cell, 管理世界, 经济研究 & 200+ more — your fast track to getting published. | 覆盖主流期刊的… The licence is MIT.

When your agent uses it

  • Strengthening the reproducibility of an ACM RecSys paper
  • Preparing a RecSys Reproducibility Track submission — pinning dataset versions and splits
  • Tuning baselines under an equal budget
  • Reporting seeds and variance

Example prompts

  • “/recsys-reproducibility”

What it can do on your machine

Read from SKILL.md and the folder at commit 932eb23. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Recsys Reproducibility loads about 1.2k tokens when it runs. Until then it costs about 90 tokens; SKILL.md has 500 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~90
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from brycewang-stanford/Awesome-Journal-Skills at commit 932eb23, republished under its MIT licence (© brycewang-stanford). 500 words, ~1,171 tokens.

Download SKILL.mdSave it as .claude/skills/recsys-reproducibility/SKILL.md (or your agent's skills folder).
name
recsys-reproducibility
description
Use when strengthening the reproducibility of an ACM RecSys paper or preparing a RecSys Reproducibility Track submission — pinning dataset versions and splits, tuning baselines under an equal budget, reporting seeds and variance, avoiding sampled-metric distortion, and structuring a reproduction study with honest divergence analysis.

RecSys Reproducibility

Reproducibility is unusually load-bearing at RecSys for two reasons. First, the venue runs a dedicated Reproducibility Track for papers that repeat, refute, or re-scope prior results and for datasets and frameworks that enable future reproduction. Second, the field's own literature documented how often reported recommender gains fail to survive a fair re-evaluation, so reviewers of regular papers read reproducibility signals as a proxy for whether the gains are real.

Why recommender results drift: the usual suspects

Drift sourceTypical symptomPin it by
Dataset version / filtering"MovieLens" numbers differ across papersExact version id, k-core filter, and checksums
Split protocolSession results inflatedTemporal or leave-one-last split, not random; document it
Baseline tuning asymmetryNeural method "beats" everythingEqual search budget per system, grid and selected config logged
Sampled vs full-ranking metricsRecall/nDCG off by a lotRank over the full item set, or state sampling and cutoff
Seeds and nondeterminism±0.005 nDCG run to runMultiple seeds; report mean ± sd, not the best run
Metric implementationnDCG differs at the 3rd decimalOne canonical scorer with cutoff and tie-handling recorded
Off-policy propensitiesCounterfactual estimate irreproducibleRelease logged propensities and the estimator variant (IPS/SNIPS/DR)

A reproducibility-strong RecSys paper closes each row with an artifact, not a promise: the config file is the documentation.

Minimum reporting block for any empirical RecSys paper

Put this in the paper (it fits in ~0.3 page and pre-empts three review objections):

  • Datasets with versions and filtering; train/validation/test usage; the split protocol.
  • Tuning protocol: search space, budget, selection metric, validation split — symmetric across systems, baselines included.
  • Metrics: which ones, the cutoff, and whether ranking is over the full item catalog or a sampled candidate set.
  • Seeds: how many, and whether tables show mean, sd, and a significance test on close results.
  • For any deployment or off-policy claim: the estimator, its assumption, and the logged propensities.
Show full SKILL.md (189 more words)Show less

The Reproducibility Track specifically

A reproduction paper is first-class work here, not a lesser contribution.

text
[reproduction scope]  which prior papers, which claims, which datasets
[matched setup]       identical splits, metrics, and — critically — equal tuning budget
[divergence report]   where results reproduce, where they do not, and the diagnosed cause
[new context]         a new domain, dataset, or baseline that tests generality
[artifact]            a runnable pipeline others can extend

Honest divergence is the contribution: "we could not reproduce claim X under matched tuning, and here is why" is publishable when the diagnosis is rigorous.

Vignette: a session-model reproduction

Consider reproducing three published session recommenders. Its reproducibility spine: the exact dataset versions and k-core filter, a temporal split shared across all systems, an equal tuning budget so no method is advantaged by search, full-ranking metrics at a fixed cutoff, five seeds with mean ± sd, and one honest paragraph on the one result that did not reproduce and the preprocessing difference that explains it.

Degrees of reproducibility

  • Turnkey: one command regenerates each ranking table from logged seeds.
  • Scripted: scripts exist but need documented manual steps or an external dataset download.
  • Descriptive: prose detailed enough that a competent reader could rebuild the pipeline.

For RecSys, the offline pipeline should be turnkey because reviewers actually re-run it; a production A/B result may stay descriptive with the deviation documented. State the achieved level honestly rather than overpromising a turnkey build that fails on a clean machine.

Output format

text
[Claim inventory] <claim -> evidence location>
[Reproducibility status] strong / partial / weak
[Drift risks] <dataset version / split / baseline tuning / sampled metrics / seeds / propensities>
[Paper fixes] <must appear in main PDF>
[Repository fixes] <anonymous-repo additions>

© brycewang-stanford, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in RecSys-Skills/skills/recsys-reproducibility of brycewang-stanford/Awesome-Journal-Skills.

Open the folder on GitHubat commit 932eb23

Compare with similar skills

Recsys Reproducibility next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

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Recsys Reproducibility this skillbrycewang-stanford/Awesome-Journal-Skills1.2k—~1.2kAutomated safety check: PassMIT
Peer ReviewK-Dense-AI/claude-scientific-writer2.4k2 repos~3.1kAutomated safety check: NotesMIT
CHARLS Paper Reproduction Guidexjtulyc/MedgeClaw6171 repos~1.8kAutomated safety check: PassNone
Compute Environment Setupaipoch/open-science5.5k—~2.6kAutomated safety check: PassApache-2.0
Figure Styleaipoch/open-science5.5k—~5.1kAutomated safety check: PassApache-2.0
Add Bactopia Toolbactopia/bactopia522—~4.1kAutomated safety check: PassMIT

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Questions about Recsys Reproducibility

What does Recsys Reproducibility do?

A skill your agent uses when strengthening the reproducibility of an ACM RecSys paper or preparing a RecSys Reproducibility Track submission — pinning dataset versions and splits, tuning baselines…. Recsys Reproducibility is an agent skill from brycewang-stanford/Awesome-Journal-Skills. Use when strengthening the reproducibility of an ACM RecSys paper or preparing a RecSys Reproducibility Track submission — pinning dataset versions and splits, tuning baselines under an equal budget, reporting seeds and variance, avoiding sampled-metric distortion, and structuring a reproduction study with honest divergence analysis.

When should I use Recsys Reproducibility?

Recsys Reproducibility fits situations like: strengthening the reproducibility of an ACM RecSys paper; preparing a RecSys Reproducibility Track submission — pinning dataset versions and splits; tuning baselines under an equal budget; reporting seeds and variance.

How do I install Recsys Reproducibility in Claude Code?

Run `npx skills add brycewang-stanford/Awesome-Journal-Skills --skill recsys-reproducibility -a claude-code`. Or copy the skill folder (RecSys-Skills/skills/recsys-reproducibility in brycewang-stanford/Awesome-Journal-Skills) into .claude/skills/recsys-reproducibility in your project. Claude Code loads it when a task matches its description.

How do I install Recsys Reproducibility in Codex?

Run `npx skills add brycewang-stanford/Awesome-Journal-Skills --skill recsys-reproducibility -a codex`. Or copy the skill folder (RecSys-Skills/skills/recsys-reproducibility in brycewang-stanford/Awesome-Journal-Skills) into .agents/skills/recsys-reproducibility in your project. Codex loads it when a task matches its description.

Can I use Recsys Reproducibility in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add brycewang-stanford/Awesome-Journal-Skills --skill recsys-reproducibility -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/recsys-reproducibility, .gemini/skills/recsys-reproducibility, .github/skills/recsys-reproducibility and .opencode/skills/recsys-reproducibility in your project.

What does Recsys Reproducibility need to run?

SKILL.md names no scripts, command-line tools or credentials: Recsys Reproducibility is instructions for the agent only.

Does Recsys Reproducibility access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Recsys Reproducibility safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Recsys Reproducibility use?

Recsys Reproducibility is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Recsys Reproducibility use?

About 1.2k tokens (SKILL.md is roughly 4.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Recsys Reproducibility?

Skills that share tags, products or a category with Recsys Reproducibility: Peer Review (K-Dense-AI/claude-scientific-writer, 2.4k stars), CHARLS Paper Reproduction Guide (xjtulyc/MedgeClaw, 617 stars), Compute Environment Setup (aipoch/open-science, 5.5k stars) and Figure Style (aipoch/open-science, 5.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Recsys Reproducibility?

brycewang-stanford (a GitHub user) maintains it in brycewang-stanford/Awesome-Journal-Skills, which has 1,231 GitHub stars. The repository holds 2,387 skills in this directory. The repository was last updated on September 27, 2026.

Source: brycewang-stanford/Awesome-Journal-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.