What is the app.potto/potto-japan MCP server?
Authoritative JLPT-graded Japanese dataset (kanji, vocab, grammar, history) via MCP and REST.
How to install app.potto/potto-japan
Copy-paste configuration for popular MCP clients.
AuthorizationsecretBearer potto_ak_… API key from https://potto.app/developers/. Optional here because MCP clients can instead sign in via OAuth (the server issues a 401 + WWW-Authenticate challenge, RFC 9728). Free sample data is available on the REST API.
{
"mcpServers": {
"potto-japan": {
"url": "https://potto.app/mcp"
}
}
}{
"mcpServers": {
"potto-japan": {
"serverUrl": "https://potto.app/mcp"
}
}
}{
"servers": {
"potto-japan": {
"type": "http",
"url": "https://potto.app/mcp"
}
}
}{
"mcpServers": {
"potto-japan": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://potto.app/mcp"
]
}
}
}claude mcp add --transport http potto-japan https://potto.app/mcpRelated MCP servers
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