VerifyAPI — fact-check with signed receipts runs on your own machine — the client starts it, so there is no endpoint to ping. 307 installs a week from npm.
Fact-check any claim with live web sources. Ed25519-signed receipts. Catches hallucinations.
The linked repository no longer exists on GitHub — it was deleted or made private.
Quiet is not dead — but it is worth knowing when it wakes up, or when someone else takes it over. We watch the repository and tell you either way.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add verifyapi -- npx -y @verify-api/mcp
{
"mcpServers": {
"verifyapi": {
"args": [
"-y",
"@verify-api/mcp"
],
"command": "npx"
}
}
}
[mcp_servers.verifyapi]
command = "npx"
args = ["-y", "@verify-api/mcp"]
{
"mcpServers": {
"verifyapi": {
"args": [
"-y",
"@verify-api/mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"verifyapi": {
"args": [
"-y",
"@verify-api/mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
VERIFYAPI_API_KEY (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.).
The author declared them in the registry entry; get the values from the project itself.
Runtime verification for agent tool calls: Ed25519 signed receipts, fail-closed RCE/SSRF checks.
Fact-check claims against live web sources: verdict, consensus, cited sources, PII redaction.
Real-time fact-checking MCP. Verifies claims against live sources with structured verdicts.
Offline Ed25519 verification of signed receipts, bundles, and trust artifacts.
Offline Ed25519 verification of signed receipts, bundles, and trust artifacts.
Offline receipt verifier. Ed25519 signature verification without contacting any server.
Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.
Static MCP, source-code and injection-indicator checks with redacted signed receipts.
Answers built from our own checks of this server.