Mmcp.market

Guardr MCP server

by guardr.io·io.guardr/guardr·v1.0.0
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Hosted MCP for website health monitoring. Tools: check_site, list_sites, get_site.

C60/100grade C
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Safety scan
C60/100

full report

Adoption
New

Little public usage data yet

Reviews

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

Guardr tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

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

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 259ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityauth enforced (unknown)9/15
  • Maintenanceno repository listed3/15
  • Maintainer identityverified namespace with website, no repo4/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 60/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http guardr https://api.guardr.io/mcp
Add to Cursor

Guardr: common questions

Is Guardr MCP server safe?
With care: it is graded C, so read the findings first (60/100). Read the Guardr safety report
How do I install Guardr?
It runs remotely at api.guardr.io. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Guardr need an API key?
Yes. The registry entry asks for X-API-Key.
Is Guardr maintained?
The latest release is v1.0.0.
Is Guardr up?
100% of our last 5 checks got an answer. We check remote servers about four times a day.
What can I use instead of Guardr?
Servers from other publishers that do the same job: Domain Liveness MCP server and Business Contact Finder MCP server.

Alternatives to Guardr

Same job from other publishers: the closest match first, then the best rated.

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