MCP.Market

Potto Japan MCP server

online · 100% uptime
by potto.app·app.potto/potto-japan·v1.0.1
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Authoritative JLPT-graded Japanese dataset (kanji, vocab, grammar, history) via MCP and REST.

B77/100grade B
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Safety scan
B77/100

full report

Adoption
New

Little public usage data yet

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

Potto Japan tools

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

Public scan report

scanner v0.1.10 · 2026-10-03 · same rubric, same numbers if you re-run it

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 185ms (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 identityendpoint served from the registry-verified namespace domain8/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Potto Japan compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 50% of 48,243 servers
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
436 ms
faster than 38% of 30,027 servers

Install Potto Japan in Claude Code, Cursor or VS Code

claude mcp add --transport http potto-japan https://potto.app/mcp
Add to Cursor

Potto Japan: common questions

Is Potto Japan MCP server safe?
Mostly: it is graded B (77/100). Read the Potto Japan safety report
How do I install Potto Japan?
It runs remotely at potto.app. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Potto Japan need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Potto Japan maintained?
The latest release is v1.0.1.
Is Potto Japan up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does Potto Japan compare with other MCP servers?
safety score 77/100 (higher than 50% of 48,243 servers); uptime 100% (of our recent checks; the typical remote server answers 100%); response time 436 ms (faster than 38% of 30,027 servers). Full comparison.