agency-historian

Validate historical coherence and flag anachronisms with period-accurate alternatives.

Updated Apr 11, 2026
One-click install
npx skills add https://github.com/omeraltn/ice_cream_website_testing --skill agency-historian-omeraltn
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: agency-historian
Source: https://github.com/omeraltn/ice_cream_website_testing/tree/main/.antigravity/agency-historian
Command: npx skills add https://github.com/omeraltn/ice_cream_website_testing --skill agency-historian-omeraltn

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps creators, researchers, and educators ensure that a setting, claim, or narrative is historically coherent by identifying anachronisms, grounding descriptions in material culture, and distinguishing between documented facts and speculation with clear confidence levels and source types.

Core Features & Use Cases

  • Anachronism Detection & Correction: Flags subtle and obvious anachronisms in technology, economy, social structures, language, and beliefs, and offers historically accurate alternatives with source types.
  • Material Culture Enrichment: Provides sensory, everyday details (diet, clothing, architecture, trade, tools) to make scenes or analyses feel period-accurate, including class and regional variation.
  • Coherence Reporting & Citation: Produces Period Authenticity Reports and Coherence Checks that state confidence levels, name primary and secondary source types, and explain historiographic debates, useful for authors, game designers, and academic reviewers.

Quick Start

Ask the historian to produce a Period Authenticity Report for 14th-century Delhi Sultanate specifying urban vs rural scope, social strata, and preferred source types (chronicles, archaeological reports, secondary scholarship).

Frequently Asked Questions about agency-historian

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I check my historical setting for anachronisms?

To check for anachronisms, evaluate your setting's technology, economy, social structures, language, and beliefs against documented material culture. This process flags historically inaccurate elements, cites relevant source types, and proposes period-appropriate alternatives to ensure overall historical coherence.

What is material culture enrichment for historical fiction?

Material culture enrichment adds sensory, everyday details like diet, clothing, architecture, trade, and tools to a narrative. It grounds scenes in period-accurate textures by incorporating class and regional variations, making historical fiction or research settings feel authentic and believable.

How do I validate historical claims for a specific timeframe and region?

Validating historical claims requires explicit temporal and geographic coordinates to evaluate setting coherence. The analysis distinguishes between documented facts and speculation by naming primary and secondary source types, stating confidence levels, and explaining relevant historiographic debates.

Can I generate a period authenticity report for different social strata?

Yes, you can generate a Period Authenticity Report by specifying the urban or rural scope and the target social strata. The report produces coherence checks that state confidence levels, name primary and secondary source types, and explain historiographic debates for the chosen context.

Does historical coherence checking work for game design and education?

Yes, historical coherence checking works for game designers and educators evaluating settings for period authenticity. It identifies anachronisms across technology and social structures, grounds descriptions in material culture, and distinguishes documented facts from speculation using clear confidence levels.

What are the limitations of anachronism detection in historiography?

A limitation of anachronism detection is its dependence on explicit temporal and geographic coordinates; without these, accuracy drops. It also navigates historiographic debates where sources conflict, meaning results distinguish between documented facts and speculation rather than proving absolute certainty.