citation-crosscheck

citation-crosscheck is a skill for Claude Code from wanshuiyin/Auto-claude-code-research-in-sleep. It costs 160 tokens per session (10,010 once invoked), scanned A, original, MIT.

A double-blind check of bibliography entries against independently retrieved web records. It compares fields such as authors, dates, venues, and DOIs, but does not judge whether a citation supports the surrounding claim.

In plain words
What is it for?
Use it to audit a local .bib file against external publication records before changing the bibliography.
Why use it?
It catches small reference-record errors that a normal plausibility check can miss, such as a missing author or incorrect year. A bibliography is the list of sources cited by a paper or project.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions subagents; positional $N argument.

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is [`shared-references/external-cadence.md`](../shared-references/external-cadence.md)..

Part of the aris plugin — 87 skills, 1 command, 1 agent shipped together

Good fit Use it to audit a local .bib file against external publication records before changing the bibliography.

Compare 6 skills from other repositories ↓
About the project

ARIS is a collection of Markdown-based skills that define a workflow for autonomous machine-learning research, including idea discovery, experiment automation, and review loops. Researchers and AI coding agents use it across tools such as Claude Code, Codex, Cursor, and OpenClaw without depending on a single framework. The catalogue entries are ARIS workflow skills and agents.

wanshuiyin/Auto-claude-code-research-in-sleep · 18,117 stars · on GitHub

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/wanshuiyin/Auto-claude-code-research-in-sleep
agentmods
npx agentmods add skills/wanshuiyin/auto-claude-code-research-in-sleep/citation-crosscheck

Made for: Claude Code.

Or install aris, the plugin that ships this one along with the rest of its 87 skills, 1 command, 1 agent.

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 citation-crosscheck

README.md
[![agentmods](https://agentmods.dev/badge/skills/wanshuiyin/auto-claude-code-research-in-sleep/citation-crosscheck/github.svg)](https://agentmods.dev/skills/wanshuiyin/auto-claude-code-research-in-sleep/citation-crosscheck)
Your own site
<a href="https://agentmods.dev/skills/wanshuiyin/auto-claude-code-research-in-sleep/citation-crosscheck"><img src="https://agentmods.dev/badge/skills/wanshuiyin/auto-claude-code-research-in-sleep/citation-crosscheck/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 citation-crosscheck

Your own site · 80×15
<a href="https://agentmods.dev/skills/wanshuiyin/auto-claude-code-research-in-sleep/citation-crosscheck"><img src="https://agentmods.dev/badge/skills/wanshuiyin/auto-claude-code-research-in-sleep/citation-crosscheck.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 160 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 10,010 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00160 $0.10010
Opus 5.5 $0.00064 $0.04004
Sonnet 5.5 $0.00032 $0.02002
Haiku 4.5 $0.00016 $0.01001

Measured 7d ago against content hash 8556f29c677b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

citation-crosscheck scanned grade A with 1 finding 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 7d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/cx_verify.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

2. **Decide from what the fetch(es) returned** — each terminal rests on a completed fetch:
skills/citation-crosscheck/SKILL.md · 532 lines

How it starts

The opening of the file, as written. The whole thing — 532 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Citation Cross-Check (double-blind bib-vs-web field audit)

🔒 Do not wrap this skill in /loop, /schedule, or CronCreate. It is verdict-bearing — it emits a per-reference verdict that gates .bib edits (an evidence instrument, not a cross-model acquittal; see the acceptance-gate note in Step 2). Re-running it on a timer adds no signal (the verdict changes only when the bibliography changes). Schedule the external wait that precedes it: bibliography finalized → run once. See shared-references/external-cadence.md.

Why this exists (and how it differs from citation-audit)

citation-audit is a single cross-model reviewer that judges three things holistically: existence, metadata, and context-fit (is the cited paper used for a claim it actually supports?). This skill does not do context-fit. It does one thing that a single reviewer cannot do reliably: an adversarial, double-blind, field-level diff of the local .bib entry against an independently reconstructed record.

The failure mode it targets is the hand-entry error that survives a plausibility read: a dropped or re-ordered author, a wrong year, a swapped venue, a DOI that 404s. A single reviewer that sees the .bib entry tends to anchor on it and rate it "looks correct." Two agents that never see each other's output cannot anchor — a discrepancy only survives if both independent records agree, and the verifier reports exactly where they diverge.

In practice it catches dropped/re-ordered authors, wrong years, and bad DOIs that a single-pass audit rated "looks clean" — while NEEDS_WEBCHECK stops it from false-flagging a legitimate non-arXiv (blog / tech-report) citation as fabricated. Use it in addition to citation-audit, not instead: citation-audit protects your review score (context-fit); this protects against the integrity red flag of a wrong or fabricated reference (existence + fields).

Read the full file on GitHub · 532 lines

Files

What ships with it

1 file 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.

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. 7d ago First seen · 532 lines · 160 tokens per session scan A 8556f29c677b

Subscribe to this mod's changes

citation-crosscheck is a skill published in the GitHub repository wanshuiyin/Auto-claude-code-research-in-sleep (18,117 stars, last pushed 2d ago), licensed MIT. It adds 160 tokens to every session and 10,010 once invoked, about $0.0006 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-20.

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