Mmcp.market

Ontonym MCP server

by ontonym.com·com.ontonym/memory·v1.1.0
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Give your agents your team's real data — read the shared graph, propose actions your team approves.

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.

Ontonym 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 460ms (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 memory https://mcp.ontonym.com/mcp
Add to Cursor

Ontonym: common questions

Is Ontonym MCP server safe?
Mostly: it is graded B (70/100). Read the Ontonym safety report
How do I install Ontonym?
It runs remotely at mcp.ontonym.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 Ontonym need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Ontonym maintained?
The latest release is v1.1.0.
Is Ontonym up?
100% of our last 6 checks got an answer. We check remote servers about four times a day.
What can I use instead of Ontonym?
Servers from other publishers that do the same job: Codebase Memory MCP server, State Memory MCP server and Plur MCP server. Compare all Ontonym alternatives.

Alternatives to Ontonym

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

All Ontonym alternatives →
  • Codebase Memory
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  • State Memory MCP
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  • Plur
    Open, local-first engram memory for AI agents: read, correct, delete; shared over MCP.
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  • emisar
    Let AI operate servers without SSH. Choose actions, approve risky changes, and audit every step.
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