Mmcp.market

Onto MCP server

by ravixalgorithm·io.github.ravixalgorithm/onto·v1.5.2
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A98/100grade A
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Safety scan
A98/100

full report

Adoption
Growing

1 stars80 downloads/wk

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

Onto tools

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

Public scan report

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

no findings
  • Code scan4 source files scanned25/25
  • Live reliabilityremote reachable in 1248ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenancelast push 16 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 98/100. 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 onto https://api.buildonto.dev/mcp
Add to Cursor

Onto: common questions

Is Onto MCP server safe?
Yes, by our scan: it is graded A (98/100). Read the Onto safety report
How do I install Onto?
It runs remotely at api.buildonto.dev. 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 Onto need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Onto maintained?
The last commit was 16 days ago (2026-09-04). The latest release is v1.5.2.
Is Onto up?
100% of our last 6 checks got an answer. We check remote servers about four times a day.

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