Mmcp.market

Acornonaut MCP server

by acornonaut.app·app.acornonaut/mcp·v3.1.4
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Turn YouTube playlists into AI flashcards and learn with spaced repetition.

B70/100grade B
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Safety scan
B70/100

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.

Acornonaut 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 202ms (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 mcp https://mcp.acornonaut.app/mcp
Add to Cursor

Acornonaut: common questions

Is Acornonaut MCP server safe?
Mostly: it is graded B (70/100). Read the Acornonaut safety report
How do I install Acornonaut?
It runs remotely at mcp.acornonaut.app. 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 Acornonaut need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Acornonaut maintained?
The latest release is v3.1.4.
Is Acornonaut up?
100% of our last 1 checks got an answer. We check remote servers about four times a day.
What can I use instead of Acornonaut?
Servers from other publishers that do the same job: YouTube Data MCP server, Spotify MCP server and Transcriptor MCP server. Compare all Acornonaut alternatives.

Alternatives to Acornonaut

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

All Acornonaut alternatives →
  • YouTube Data
    YouTube MCP server for token-optimized, structured data using the YouTube Data API v3.
    B
  • Spotify
    MCP server connecting LLMs to Spotify, with smart-batching and large-playlist tools
    B
  • Transcriptor MCP
    Fetch transcripts, subtitles, chapters, metadata and frames from YouTube and 10+ video platforms
    A
  • Capslane
    Retrieve existing or generated YouTube transcripts with timestamps through Capslane.
    A
  • Lineupify
    Spotify playlists from a festival lineup, a genre, a song, a playlist or a blend. Own client ID.
    B
Acornonaut vs YouTube DataAcornonaut vs SpotifyAcornonaut vs Transcriptor MCP

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