verify

verify is a skill for Claude Code from yha9806/academic-writing-toolkit. It costs 26 tokens per session (713 once invoked), scanned A, original, MIT.

A fact-checking procedure for claims about dates, names, events, publications, or who introduced an idea. It compares the claim with authoritative sources and reports whether it is correct or needs correction.

In plain words
What is it for?
Use it when someone asks to verify or fact-check a claim, especially historical details, publication information, names, dates, or attribution.
Why use it?
It helps catch uncertain or disputed statements before they are treated as facts. The input describes web research using sources such as Wikipedia, academic databases, publishers, and encyclopedias.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions CLAUDE.md.

Good fit Use it when someone asks to verify or fact-check a claim, especially historical details, publication information, names, dates, or attribution.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/yha9806/academic-writing-toolkit/verify
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 yha9806/academic-writing-toolkit --skill verify
Clone the repo
git clone --depth 1 https://github.com/yha9806/academic-writing-toolkit

Made for: Claude Code.

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 verify

README.md
[![agentmods](https://agentmods.dev/badge/skills/yha9806/academic-writing-toolkit/verify/github.svg)](https://agentmods.dev/skills/yha9806/academic-writing-toolkit/verify)
Your own site
<a href="https://agentmods.dev/skills/yha9806/academic-writing-toolkit/verify"><img src="https://agentmods.dev/badge/skills/yha9806/academic-writing-toolkit/verify/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 verify

Your own site · 80×15
<a href="https://agentmods.dev/skills/yha9806/academic-writing-toolkit/verify"><img src="https://agentmods.dev/badge/skills/yha9806/academic-writing-toolkit/verify.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 26 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 713 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00026 $0.00713
Opus 5 $0.00013 $0.00357
Sonnet 5 $0.00005 $0.00143
Haiku 4.5 $0.00003 $0.00071

Measured 10d ago against content hash 366cc9711f14, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

verify 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 10d 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.

archive/skills/verify/SKILL.md · 72 lines

How it starts

The opening of the file, as written. The whole thing — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/verify — Fact Verification Skill

Purpose

Fact-check claims encountered during reading sessions. This covers dates, names, historical events, publication details, and attribution of ideas. Use when the user questions a claim or when a factual assertion seems uncertain.

Trigger Words

This skill activates on: verify, check this, fact-check, is this correct, /verify.

Workflow

  1. Extract the claim from the user's input or from conversation context. Identify the specific factual assertion to verify (date, name, event, publication, attribution).
  2. Search authoritative sources using WebSearch. Prioritise:
    • Wikipedia (for dates, biographical facts, historical events)
    • Academic databases (Google Scholar, JSTOR, PhilPapers)
    • Publisher websites (for publication dates, editions, ISBNs)
    • Encyclopedias (Stanford Encyclopedia of Philosophy, Britannica)
  3. Compare the original claim against verified information.
  4. Output the verdict using the format below.
  5. Optionally annotate the notes file. If the user confirms, use Edit to add a (verified) or (corrected: {correct info}) tag next to the relevant entry in the notes file.

Output Format

## Verification

**Claim**: {the original claim as stated in the source}
**Verdict**: Confirmed | Needs correction | Incorrect | Unverifiable

| Item | Original | Verified |
|------|----------|----------|
| {specific fact} | {as claimed} | {as verified} |

**Source**: {single-line citation in the project's declared style — see `literature/reading_notes/_template_NOTES.md` for per-style examples; the active style is `Citation style:` in `CLAUDE.md`. Append the URL after the citation if the source is web-only}
**Confidence**: High | Medium | Low
**Notes**: {any additional context, e.g., "Date varies by edition" or "Multiple conflicting sources"}

Multiple Claims

When verifying several claims at once, produce one verification block per claim, numbered sequentially:

Read the full file on GitHub · 72 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. 10d ago First seen · 72 lines · 26 tokens per session scan A 366cc9711f14

Subscribe to this mod's changes

verify is a skill published in the GitHub repository yha9806/academic-writing-toolkit (36 stars, last pushed 2d ago), licensed MIT. It adds 26 tokens to every session and 713 once invoked, about $0.0001 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 2026-08-30.

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