EVIDIQ Notary MCP (evidiq/evidiq-notary-mcp) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 6 tools. No publisher has claimed this listing.

Source no longer public
1 month ago

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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Who stands behind it

evidiq

Source: Glama

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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 →
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configHOSTNAME
🔐 secretNOTARY_PRIVATE_KEY
configOG_CHAIN_ID
configOG_COMPUTE_ROUTER
configOG_COMPUTE_RPC
🔐 secretOG_PRIVATE_KEYEIP-191 — receipts are signed with the notary's EVM key (). The same signature any verifier can recover offline.
configOG_STORAGE_INDEXER
configOG_STORAGE_RPC
configX402_ASSET0x779ded0c9e1022225f8e0630b35a9b54be713736
configX402_BATCH_PRICE5000 # $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_TO0x2a8efe3093278bb4bd3b2d9c7b5ba992ca4fc9b0
configX402_PRICE1000 # $0.001 USDT0 per single notarization (6 decimals)
configX402_RPC
🔐 secretX402_SETTLE_KEYx402 v2 — per-call settlement (EIP-3009 exact / transferWithAuthorization), gasless for the payer, settled on-chain by the notary's .
configX402_USE_FACILITATOR
configXLAYER_RPC
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

6/6 tools missing one or more hints — notarize_inference (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); notarize_batch (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); verify_attestation (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +3 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tool inputs are validated

4/6 tool handlers declare input schemas (67%)

Declare an inputSchema with zod/joi/yup on every tool definition.

Tool handlers catch errors

Only 0/6 tool handlers wrap calls in try/catch (0%)

Wrap each tool handler body in try/catch and return a structured error response.

Tests exist

No test files found

Add tests that exercise each declared tool.

Dev dependencies

2 critical/high in dev-only deps (does not ship to users)

Upgrade dev dependencies when convenient.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// 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)](https://m8ven.ai/mcp/evidiq/evidiq-notary-mcp)
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commit: a172c06ee894b961aeb5b04c9b1383a73ee4eb31
code hash: 5eb8f687b7c990080faeda2db7c8397efd4ffc822717450da43fa884319d09e7
verified: 7/19/2026, 8:43:14 AM
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