Mmcp.market

Haycion MCP server

by haycion.com·com.haycion/haycion·v1.0.0
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B70/100grade B
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Safety scan
B70/100

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.

Haycion 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 298ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenanceno repository listed3/15
  • Maintainer identityverified namespace with website, no repo4/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 70/100. 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 haycion https://mcp.haycion.com/api/mcp
Add to Cursor

Haycion: common questions

Is Haycion MCP server safe?
Mostly: it is graded B (70/100). Read the Haycion safety report
How do I install Haycion?
It runs remotely at mcp.haycion.com. 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 Haycion need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Haycion maintained?
The latest release is v1.0.0.
Is Haycion up?
100% of our last 7 checks got an answer. We check remote servers about four times a day.

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