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geo-fact-checker

geo-fact-checker is a skill for Claude Code, Codex from geoly-ai/geo-skills. It costs 95 tokens per session (4,716 once invoked), scanned A, original, no licence file.

A fact-checking and evidence-collection assistant for content used in AI search. It checks claims such as figures, dates, rankings, market share, competitor information, quotations, and statistics, and adds precise citations.

In plain words
What is it for?
It is for checking factual writing, validating sources, and attaching citations to claims in articles, reports, and other content.
Why use it?
It reduces the risk of publishing claims that are wrong or difficult to verify. It also makes the evidence behind statements easier to inspect.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

not rated 14repo 8mo ago A scan 95 tokens no licence

Good fit It is for checking factual writing, validating sources, and attaching citations to claims in articles, reports, and other content.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/geoly-ai/geo-skills/geo-fact-checker
View source ↗ geoly-ai/geo-skills
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 geoly-ai/geo-skills --skill geo-fact-checker
Clone the repo
git clone --depth 1 https://github.com/geoly-ai/geo-skills

Made for: Claude Code, Codex.

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 geo-fact-checker

README.md
[![agentmods](https://agentmods.dev/badge/skills/geoly-ai/geo-skills/geo-fact-checker/github.svg)](https://agentmods.dev/skills/geoly-ai/geo-skills/geo-fact-checker)
Your own site
<a href="https://agentmods.dev/skills/geoly-ai/geo-skills/geo-fact-checker"><img src="https://agentmods.dev/badge/skills/geoly-ai/geo-skills/geo-fact-checker/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 geo-fact-checker

Your own site · 80×15
<a href="https://agentmods.dev/skills/geoly-ai/geo-skills/geo-fact-checker"><img src="https://agentmods.dev/badge/skills/geoly-ai/geo-skills/geo-fact-checker.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 95 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,716 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 unknown 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 $0.00095 $0.04716
Opus 5.5 $0.00038 $0.01886
Sonnet 5.5 $0.00019 $0.00943
Haiku 4.5 $0.00010 $0.00472

Measured 2mo ago against content hash 94b1614c1fb7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

geo-fact-checker 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 2mo ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/claim_extractor.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.

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.

geo-fact-checker/SKILL.md · 489 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

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.

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. 2mo ago First seen · 489 lines · 95 tokens per session scan A 94b1614c1fb7

Subscribe to this mod's changes

geo-fact-checker is a skill published in the GitHub repository geoly-ai/geo-skills (14 stars, last pushed 8mo ago), with no licence file. It adds 95 tokens to every session and 4,716 once invoked, about $0.0004 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 2026-08-30.

Researchagent-skillsgeoskill
Related

geo-fact-checker compared with skills from other repositories

geo-fact-checker next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
geo-fact-checkergeoly-ai/geo-skillsSkill148mo agononeA95Claude Code, Codex
geo-schemazubair-trabzada/geo-seo-claudeSkill12ktodayMITA26Claude Code
autoreviewopenclaw/clawhubSkill9.5ktodayMITA17Claude Code, Codex
sandbaseiflytek/skillhubSkill5.4kyesterdayApache-2.0A67Claude Code
launch-monitoraaron-he-zhu/aaron-marketing-skillsSkill3.1ktodayApache-2.0A183Claude Code
convex-insightsopenclaw/clawhubSkill9.5ktodayMITA45Claude Code, Codex
press-media-relationsaaron-he-zhu/aaron-marketing-skillsSkill3.1ktodayApache-2.0A150Claude Code