EVIDIQ Notary MCP

Cryptographic receipt layer for AI inferences. Enables notarization and verification of AI outputs with on-chain proofs via x402 payment.

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// key findings

🚨

Known vulnerabilities in dependencies: 2 critical

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 3 credentials: NOTARY_PRIVATE_KEY, OG_PRIVATE_KEY, X402_SETTLE_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies2 critical

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@2.1.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@2.1.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configHOSTNAME

🔐 secretNOTARY_PRIVATE_KEY

configOG_CHAIN_ID

configOG_COMPUTE_ROUTER

configOG_COMPUTE_RPC

🔐 secretOG_PRIVATE_KEY— EIP-191 — receipts are signed with the notary's EVM key (). The same signature any verifier can recover offline.

configOG_STORAGE_INDEXER

configOG_STORAGE_RPC

configPORT— 3000 node dist/start-server.js

configX402_ASSET— 0x779ded0c9e1022225f8e0630b35a9b54be713736

configX402_BATCH_PRICE— 5000 # $0.005 USDT0 per batch (≤20 items)

configX402_CHAIN

configX402_DOMAIN_NAME

configX402_DOMAIN_VERSION

configX402_FACILITATOR_URL

configX402_GATE_ALL

configX402_NETWORK

configX402_PAY_TO— 0x2a8efe3093278bb4bd3b2d9c7b5ba992ca4fc9b0

configX402_PRICE— 1000 # $0.001 USDT0 per single notarization (6 decimals)

configX402_RPC

🔐 secretX402_SETTLE_KEY— x402 v2 — per-call settlement (EIP-3009 exact / transferWithAuthorization), gasless for the payer, settled on-chain by the notary's .

configX402_USE_FACILITATOR

configXLAYER_RPC

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/evidiq-evidiq-notary-mcp-ug4exe)](https://m8ven.ai/mcp/evidiq-evidiq-notary-mcp-ug4exe)

commit: a172c06ee894b961aeb5b04c9b1383a73ee4eb31

code hash: 5eb8f687b7c990080faeda2db7c8397efd4ffc822717450da43fa884319d09e7

verified: 7/19/2026, 8:43:14 AM

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