Name: fact-checker
Author: dobachi

fact-checker

Automated fact-checking skill with structured checklist mode. Extracts verifiable claims and citations from documents (Markdown, PDF, DOCX), verifies them via web search and Puppeteer headless browser across 7 verification dimensions (link validity, content matching, citation granularity, numeric accuracy, fact/speculation distinction, source reliability, cross-section consistency), and generates a comprehensive Markdown fact-check report.

English | 日本語

dobachi-skills

Personal skills marketplace for Claude Code.

Available Plugins

Development Tools

Plugin	Description
build	Detects and runs the appropriate build command for your project. Supports Node.js, Rust, Python, Go, Makefile, and more.
checkpoint	Checkpoint management for AI instruction systems. Tracks task start, progress, and completion, and manages instruction usage state.
commit-and-report	Commits changes, pushes to remote, and reports progress to GitHub Issues in one step.
github-issues	Lists GitHub Issues, aggregates by label, analyzes priorities, and organizes/suggests tasks.
reload-instructions	Updates AI instruction submodules to the latest version and reloads ROOT_INSTRUCTION.
reload-and-reset	Updates the AI instruction system to the latest version and resets AI behavior to follow instructions.
verify-content	Integrated skill for fact-checking and reference verification. Identifies claims, verifies with external sources, and organizes references.

Role Skills

Plugin	Description
web-api-dev	Development expert for designing and implementing production-grade RESTful Web APIs.
cli-tool-dev	CLI development expert for designing and implementing user-friendly command-line tools.
data-analyst	Comprehensive data analysis expert covering data analysis, statistical insights, visualization, and machine learning.
technical-writer	Creates high-quality technical documents including API docs, user guides, and technical blogs.
academic-researcher	Comprehensive academic research support including paper writing, literature reviews, citation management, and research methodology.
business-consultant	Comprehensive business consulting from strategy planning to execution using McKinsey/BCG methodologies.
project-manager	Comprehensive project planning, execution, monitoring, and completion management.
startup-advisor	Practical advice and strategic guidance from startup launch to growth.
python-expert	Python development expert supporting clean code, performance optimization, and test-driven development.
code-reviewer	Provides constructive reviews from the perspectives of code quality, security, performance, and maintainability.
tauri-dev	Development expert for designing and building Tauri v2 desktop and mobile applications.
tauri-research	Research assistant for investigating Tauri-related questions via web search and official documentation.
competitive-analysis	Researches competitor products via web search, compares features/pricing/differentiation, and generates comparison matrices.
business-model-canvas	Generates structured business model documents following Business Model Canvas and Lean Canvas frameworks.
market-sizing	Estimates TAM/SAM/SOM market size using top-down and bottom-up approaches with evidence-backed reports.
strategy-memo	Structures business ideas into a 4-layer framework (Market/Value Proposition/Technology/Execution) and checks for logical gaps.

Presentation

Plugin	Description
marp-slides	Creates effective and professional presentations using Marp format.

Quality

Plugin	Description
fact-checker	Automated fact-checking for AI-generated documents. Extracts claims and citations, verifies them in parallel via web search and Puppeteer headless browser, and generates a Markdown report.
evidence-check	Verifies the validity of references and citations in reports and papers, conducting evidence-based fact-checking.

Installation

1. Add the marketplace (first time only)

/plugin marketplace add dobachi/claude-skills-marketplace

2. Install a plugin

/plugin install fact-checker@dobachi-skills

3. Restart Claude Code

After installation, restart Claude Code to activate the plugin.

Usage

After installation, you can use it in Claude Code like this:

Fact-checking / Quality

Fact-check this report: /path/to/report.md

Verify the citations in the following text:
[paste your text]

Development

Build this project

Review the code in this PR

Help me design REST API endpoints: user management system

Documentation / Presentation

Create reference documentation for this API

Create a Marp slide deck for the project progress report

Data Analysis / Research

Analyze this CSV data and report trends: /path/to/data.csv

Create a literature review on "fine-tuning large language models"

Business Strategy

Conduct a competitive analysis: Palantir vs Databricks vs Snowflake

Create a Business Model Canvas for a data governance SaaS product

fact-checker

Popularity

What's Inside

README

dobachi-skills

Available Plugins

Development Tools

Role Skills

Presentation

Quality

Installation

1. Add the marketplace (first time only)

2. Install a plugin

3. Restart Claude Code

Usage

Fact-checking / Quality

Development

Documentation / Presentation

Data Analysis / Research

Business Strategy

Confidence

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