Mmcp.market

Is Nostr Signer MCP server safe?

Yes, with the usual care.

B77/100grade B

Safe to use. Minor gaps such as a missing repository or slower maintenance.

What to know before installing
  • highWrite-action tools reachable without authentication

Public scan report

scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 235ms20/20
  • Tool poisoning17 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 3 write-action tools with no auth3/15
  • Maintenancelast push 8 days ago15/15
  • Maintainer identitynamespace and repository owner differ; GitHub account older than a year5/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Other servers that do what Nostr Signer does

  • Novada
    Search, extract, crawl, map, research, scrape 16 platforms, browser automation, proxy — one API key.
    A
  • SeleniumBase MCP
    Stealthy browser automation, testing, and web-scraping via CDP Mode.
    A
  • AIHawk
    AI browser agent: browses, clicks, types, and reads real web pages from plain-English instructions.
    A

Nostr Signer reviews, tools and install