fact-check
ActiveTool of The Stall
declared in 4.82.0
Factual claim verification using Wikipedia evidence + AI synthesis. Extracts search terms from the claim, queries Wikipedia for relevant articles, and returns a structured verdict (LIKELY_TRUE / LIKELY_FALSE / MIXED / UNVERIFIABLE) with confidence score, explanation, and source citations.
Parameters schema
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"claim"
],
"properties": {
"claim": {
"type": "string",
"description": "The factual statement to verify (e.g. 'The Eiffel Tower is 330 meters tall' or 'Apple was founded in 1976')."
}
},
"additionalProperties": false
}- Data resourceDuckDuckGo Search
DuckDuckGo · search
name mention0.65 - Data resourceHacker News API
Y Combinator · media
name mention0.65 - Data resourcearXiv API
arXiv (Cornell) · scholarly-metadata
name mention0.65 - Data resourceWikipedia REST API
Wikimedia · knowledge
name mention0.60 - Data resourceYouTube Data API
Google · media
name mention0.60
Parent server
The Stall
1/7 registries