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x402 Notary MCP server

by forgemeshlabs·io.github.forgemeshlabs/x402-notary-mcp·v0.1.8
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Cryptographic receipts for AI outputs on Base or Solana via x402.

B82/100grade B
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Safety scan
B82/100

full report

Adoption
Growing

0 stars61 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

x402 Notary MCP tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings
  • Code scan5 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 19 days ago15/15
  • Maintainer identityregistry namespace matches repository owner7/10
Overall 82/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

Runs npx -y @forgemeshlabs/x402-notary-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add x402-notary-mcp -- npx -y @forgemeshlabs/x402-notary-mcp
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x402 Notary MCP: common questions

Is x402 Notary MCP server safe?
Mostly: it is graded B (82/100). Read the x402 Notary MCP safety report
How do I install x402 Notary MCP?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does x402 Notary MCP need an API key?
Yes. The registry entry asks for WALLET_PRIVATE_KEY, SOLANA_PRIVATE_KEY.
Is x402 Notary MCP maintained?
The last commit was 19 days ago (2026-09-01). The latest release is v0.1.8.

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