Fact Checker API
- Updated July 19, 2026
- Br0ski777/fact-checker-x402
Verify claims with web evidence.
About
Verify claims with web evidence. Returns sources and verdict. x402 micropayment. Exposes 1 MCP tools including io.github.Br0ski777/fact-checker. Verify claims with web evidence. Returns sources and verdict. x402 micropayment. Verify claims with web evidence. Returns sources and verdict. x402 micropayment. "name": "io.github.Br0ski777/fact-checker", Install via Claude Desktop, Cursor, or any MCP-compatible client using the server manifest from the upstream repository.
- Verify claims with web evidence.
- 1 registered MCP tools for structured agent access.
- Category: AI & LLM Tools with launch/geo journey placement.
- Compatible with Claude Desktop, Cursor, and MCP clients.
- Upstream manifest: fact-checker.
Fact Checker API by the numbers
- Exposes 1 verified tools (MCP introspection)
- Data as of Jul 19, 2026 (Skillselion catalog sync)
claude mcp add --transport sse fact-checker https://fact-checker.api.klymax402.com/mcpAdd your badge
Show developers this MCP server is listed on Skillselion. Paste this into your README.
| Transport | SSE |
|---|---|
| Auth | None |
| Tools | 1 |
| Last updated | July 19, 2026 |
| Repository | Br0ski777/fact-checker-x402 ↗ |
How do I connect Fact Checker API to my MCP client?
Verify claims with web evidence. Returns sources and verdict. x402 micropayment.
Who is it for?
Teams wiring Fact Checker API into Claude, Cursor, or custom agents for ai & llm tools.
Skip if: Skip when you need a non-MCP SDK or hosted API without stdio/SSE transport.
What you get
Working Fact Checker API MCP server with verified tool registration and client config.
- Verdict on a submitted claim with supporting source URLs
- Agent-ready evidence snippets for copy edits or rejections
By the numbers
- [object Object]
Fact Checker API capabilities & compatibility
- Capabilities
- fact checker api mcp tool registration · fact checker api client configuration · fact checker api agent workflow integration
- Use cases
- orchestration
- Runs
- Runs locally
What Fact Checker API says it does
Verify claims with web evidence. Returns sources and verdict. x402 micropayment.
"title": "Fact Checker API",
Tools 1
Public tool metadata - what this server can do for an agent.
research_check_fact2 paramsUse this when you need to verify a factual claim, check if a statement is true, or find evidence supporting or contradicting a claim. Accepts a claim text and returns relevant web snippets, source URLs, and a confidence assessment. Do NOT use for general web scraping — use web_scrape_to_markdown instead. Do NOT use for SEO analysis — use seo_audit_page instead. Do NOT use for sentiment analysis — use sentiment_analyzer instead.
claimstringrequiredThe factual claim to verify (e.g., 'The Eiffel Tower is 330 meters tall')max_sourcesnumberMaximum number of sources to return (default: 5, max: 10)
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Remote verification MCP with x402 billing, not an in-repo agent skill or browser automation pack.
FAQ
What does fact checker MCP do?
Verify claims with web evidence.
When should I use fact checker?
User asks about Fact Checker API mcp, verify claims with web evidence. returns sources and verdict. x402 mic.
Is this MCP server safe to install?
Review the Security Audits panel and upstream source before connecting in production.