# X402 Notary

> Cryptographic receipts for AI outputs on Base or Solana via x402.

## Facts
- Page: https://tashan.sh/capability/pkg-forgemeshlabs-x402-notary-mcp
- tashan id: pkg:@forgemeshlabs/x402-notary-mcp
- Source: https://github.com/forgemeshlabs/x402-notary-mcp
- npm: https://www.npmjs.com/package/@forgemeshlabs/x402-notary-mcp
- Type: npm
- Category: finance
- tashan score: 59.0 / 100
- Adoption: 34.0
- Upkeep: 64.0
- Freshness: 96.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- Settled payments: $0.03 across 9 x402 calls at its own payment address (Base, all time)
- npm downloads: 252/week
- License: MIT
- Official: no

## Install

```sh
claude mcp add x402-notary -- npx -y @forgemeshlabs/x402-notary-mcp
```

## Security audit
- Known advisories: 0
- Install-time script: none declared
- Build provenance: not attested

Permissions are read from DECLARED dependencies only. Nothing is executed, so an empty result means "nothing declared", never "nothing possible".

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Measured 2026-09-12 by tashan (https://tashan.sh) from public evidence. Scorer s5.