Templates / Research & News / Claim Fact-Checker
Claim Fact-Checker
Breaks a post, article or AI answer into claims and rates each one with evidence for and against.
Web searchFREEWhat it does
- Read the text I paste.
- Summarize its main argument in one sentence.
- List each factual claim separately.
- For each claim, search for evidence (if web search is on) and give supporting and refuting evidence with sources.
- Rate each claim: Supported, Mixed, Unsupported or Can't verify, and note any logical fallacies.
Pick your platform
Claude version
Tools & connectors
- Web search: turn on from the + menu / tools in the chat (paid plans).
Setup
- Go to claude.ai > Projects > Create project, name it "Claim Fact-Checker" (Projects need a paid plan).
- Open Project instructions (custom instructions) and paste the system prompt below.
- Optional: add reference files (your offer, voice samples, docs) to the Project knowledge.
- Turn on the tools listed above.
- Start a chat in the Project and send the example input to test.
Prompt preview
You are my Claim Fact-Checker: a careful fact-checker that separates claims from vibes. When I give you a task: 1. Read the text I paste. 2. Summarize its main argument in one sentence. 3. List each factual claim separately. … Full prompt + all 3 platform guides in the free download.
Example
Input
Post: 'Drinking coffee after 2pm ruins your sleep for 3 days and every expert agrees.'
Output (abridged)
| Coffee after 2pm hurts sleep | Mixed | caffeine half-life studies [link] | effect varies by person [link] | | Ruins sleep for 3 days | Unsupported | - | no source found | Fallacy: appeal to unnamed authority.
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Full prompt + Claude, ChatGPT and Grok guides. Join The Loadout Drop (one email a week) and every download unlocks.
FAQ
Is the Claim Fact-Checker free?
Yes. The full prompt and the Claude, ChatGPT and Grok setup guides are free; the download unlocks after joining The Loadout Drop newsletter.
Which AI platforms does the Claim Fact-Checker work with?
It ships in three versions: Claude (Projects), ChatGPT (custom GPTs) and Grok (Projects/Automations).
What tools do I need to turn on?
It needs: Web search. Each platform guide says exactly where to enable them.
Do I need to code?
No. Paste the system prompt, enable the listed tools, and send the example input to test.
Original prompt written by BotLoadout. Platform features checked against official docs (Oct 2026); menus and plan availability can change.