# Acornonaut (acornonaut.app)

Turns YouTube videos and playlists into timestamp-cited spaced-repetition flashcards, exportable to Anki or readable through an API.

- Atlas card: https://inite.ai/en/atlas/acornonaut.app
- Site: https://acornonaut.app
- For: learners who want to keep what they watch in long YouTube videos, through spaced-repetition flashcards
- Categories: creative
- Use 0/100 · alive 100/100

## Used for

- turn YouTube lectures and playlists into spaced-repetition flashcards
- review cards daily and check each source timestamp in the video
- export flashcards to Anki, Obsidian or CSV

## Price

- from 9 USD/month (read 2026-10-24 on https://acornonaut.app/pricing)

## For developers

- OpenAPI: https://acornonaut.app/openapi.json (16 paths)
- MCP server: app.acornonaut/mcp (namespace; auth on 2026-10-24)
- Status page: https://acornonaut.app/status
- Read 2026-10-24

## MCP server, measured daily

Server: https://mcp.acornonaut.app/mcp, checked every day since 2026-10-24 (4 checks).

- Answered: measuring, 4 daily checks so far
- Median first answer: 154 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-24

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Source: INITE Atlas, https://inite.ai/en/atlas/acornonaut.app. JSON: https://inite.ai/api/atlas/acornonaut.app. MCP: https://inite.ai/api/mcp (atlas_lookup).