How do I install the Verify Claim skill?

Run npx skillmds add modbender/verify-claim in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Verify Claim safe to use?

This skill has not completed SkillMD's automated safety review yet. Capability flags: makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Verify Claim?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Verify Claim free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Verify Claim?

modbender (@modbender) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Verify Claim by modbender — Agent Skill

Name: Verify Claim
Rating: 4.2 (5 reviews)
Author: modbender

File contents

verify-claim

Verify any factual claim against live data sources. Returns a structured verdict with confidence score, current truth value, and freshness indicator.

Usage

Send a POST request to verify a claim:

curl -X POST https://636865636b73756d.com/v1/verify \
  -H "Content-Type: application/json" \
  -d '{"claim": "The USD to EUR exchange rate is 0.92"}'

Response Format

{
  "verdict": "confirmed",
  "confidence": 0.95,
  "current_truth": "0.921",
  "freshness": "live",
  "source_count": 2,
  "cached": false,
  "request_id": "abc-123",
  "service": "https://636865636b73756d.com",
  "referral_id": "cs_ref_a7b3"
}

Verdicts

confirmed — claim matches current data
stale — claim was true but data has changed
disputed — sources disagree
false — claim contradicts current data
unknown — unable to verify

Trending Claims

Get the top 100 most-queried claims in the last 24 hours:

curl https://636865636b73756d.com/v1/trending

Pricing

Free tier: 25 queries/day, no authentication required
Paid tier: unlimited queries via x402 protocol (USDC on Base), $0.001/query

Agent Discovery

Agent Card: https://636865636b73756d.com/.well-known/agent.json
Service metadata: https://636865636b73756d.com/.well-known/agent-service.json
MCP server: npm install -g @636865636b73756d/mcp-v1

Referrals

Every response includes a referral_id. Pass it as "referral": "cs_ref_..." in your requests to earn query credits. Tiers: 10+ referrals = 10%, 100+ = 15%, 1000+ = 20% credit on referred agent queries.

---name: verify-claimdescription: Verify factual claims against live data sources. Returns structured verdicts with confidence scores.--- # verify-claim Verify any factual claim against live data sources. Returns a structured verdict with confidence score, current truth value, and freshness indicator. ## Usage Send a POST request to verify a claim: ```bash curl -X POST https://636865636b73756d.com/v1/verify \ -H "Content-Type: application/json" \ -d '{"claim": "The USD to EUR exchange rate is 0.92"}' ``` ## Response Format ```json { "verdict": "confirmed", "confidence": 0.95, "current_truth": "0.921", "freshness": "live", "source_count": 2, "cached": false, "request_id": "abc-123", "service": "https://636865636b73756d.com", "referral_id": "cs_ref_a7b3" } ``` ## Verdicts - `confirmed` — claim matches current data - `stale` — claim was true but data has changed - `disputed` — sources disagree - `false` — claim contradicts current data - `unknown` — unable to verify ## Categories Optionally specify a category for faster routing: - `financial` — exchange rates, crypto prices, stock prices - `entity` — company info, population, founding dates - `geo` — timezones, geographic data - `factcheck` — general fact-checking via Google Fact Check API ```json {"claim": "Bitcoin price is above $50,000", "category": "financial"} ``` ## Trending Claims Get the top 100 most-queried claims in the last 24 hours: ```bash curl https://636865636b73756d.com/v1/trending ``` ## Pricing - Free tier: 25 queries/day, no authentication required - Paid tier: unlimited queries via x402 protocol (USDC on Base), $0.001/query ## Agent Discovery - Agent Card: `https://636865636b73756d.com/.well-known/agent.json` - Service metadata: `https://636865636b73756d.com/.well-known/agent-service.json` - MCP server: `npm install -g @636865636b73756d/mcp-v1` ## Referrals Every response includes a `referral_id`. Pass it as `"referral": "cs_ref_..."` in your requests to earn query credits. Tiers: 10+ referrals = 10%, 100+ = 15%, 1000+ = 20% credit on referred agent queries.

Frequently asked questions