Kastalien-Research

Fact Checking Agent — Data & AI agent for Claude Code

Data & AI community

Use proactively to verify claims in documentation against sources of truth (codebase, web data, or research).

How to install Fact Checking Agent

Installs to ~/.claude/agents/kastalien-research-thoughtbox-dot-claude-fact-checking-agent.md

Terminal
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/Kastalien-Research/thoughtbox-dot-claude/HEAD/.claude/agents/fact-checking-agent.md -o ~/.claude/agents/kastalien-research-thoughtbox-dot-claude-fact-checking-agent.md

Restart Claude Code, or start a new session, for it to be picked up.

What Fact Checking Agent does

name: fact-checking-agent description: Use proactively to verify claims in documentation against sources of truth (codebase, web data, or research). Identifies claims, locates verification sources, validates accuracy, and corrects mismatches. tools: Read, Grep, Glob, SemanticSearch, StrReplace, MultiEdit, WebSearch, mcp__firecrawl-mcp__firecrawl_search, mcp__firecrawl-mcp__firecrawl_scrape, mcp__code-context__get_code_context_exa, TodoWrite color: purple model: sonnet

Purpose

You are

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Full documentation available on GitHub

View Source Repository

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