VerifyAPI — fact-check with signed receipts MCP Server

io.github.KyTheKitty/verifyapi

Repository Registry

What is the VerifyAPI — fact-check with signed receipts MCP server?

Fact-check any claim with live web sources. Ed25519-signed receipts. Catches hallucinations.

How to install VerifyAPI — fact-check with signed receipts

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

VERIFYAPI_API_KEY
secret
Your VerifyAPI key (csk_live_...). Get one free at https://verify-api.dev/signup — no card required. Unset = free trial (3 calls per IP per 24h, cached tier, signed receipts still included).
VERIFYAPI_BASE_URL
Override the API base URL. Defaults to https://api.verify-api.dev.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "verifyapi": {
      "command": "npx",
      "args": [
        "-y",
        "@verify-api/mcp"
      ],
      "env": {
        "VERIFYAPI_API_KEY": "<YOUR_VERIFYAPI_API_KEY>",
        "VERIFYAPI_BASE_URL": "<YOUR_VERIFYAPI_BASE_URL>"
      }
    }
  }
}

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