Mmcp.market

Nibomo MCP server

by nibomo.com·com.nibomo/flashcards·v1.26.0
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Read, write, and conversationally review open-source flashcards through split read/write MCP tools.

A95/100grade A
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Safety scan
A95/100

full report

Adoption
Growing

69 stars

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

Nibomo 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

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 643ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace7/10
Overall 95/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

What the publisher says

From the Nibomo repository's README, as published. We do not edit it. Read it on GitHub

Nibomo

AI-powered open-source flashcards app for iOS, Android, and web.

Nibomo (formerly Flashcards Open Source App) is an open-source AI-powered flashcards app built for serious daily study on iOS, Android, and the web. Use it to prepare for exams, learn vocabulary, memorize technical terms and facts, improve your material with AI, and review with spaced repetition. The project also includes an external agent API for terminal and AI-agent workflows.

Available on

  • iOS
  • Android
  • Web
  • MCP server: https://mcp.nibomo.com/mcp
  • Agent API: https://api.flashcards-open-source-app.com/v1/

Card scheduling

Card scheduling uses FSRS-based spaced repetition. Detailed scheduling rules live in docs/fsrs-scheduling-logic.md.

MCP connector

The hosted MCP server is available at https://mcp.nibomo.com/mcp and publishes to MCP registries under com.nibomo/flashcards. It exposes seven tools, most of them workspace-scoped: listworkspaces, sqlquery, sqlexecute, getguide, nextreviewcard, revealanswer, and submitreview.

The dedicated review tools support one-question-at-a-time conversations and idempotent FSRS scheduling. See conversational reviews for the contract shared by MCP, the in-app chat, and the Agent API, and for voice-session examples. ChatGPT Voice currently does not invoke apps/MCP; these tools do not remove that external limitation.

Interactive clients authenticate with OAuth 2.1 authorization code + PKCE and Dynamic Client Registration. Headless clients can use an fca_ Bearer token.

The former address https://mcp.flashcards-open-source-app.com/mcp still serves the same server, so existing client configurations keep working.

  • MCP connector docs
  • Agent API docs
  • Privacy
  • Support

Docs

  • iOS app
  • Android app
  • Web app
  • Architecture
  • Backend and web deployment
  • Public site URLs (PUBLICSITEBASE_URL)
  • Release gates and monitoring
  • Release all platforms and start the next development version
  • Platform release procedures
  • iOS local setup
  • iOS CI/CD
  • Android CI/CD

License

This project is licensed under the MIT License - see the LICENSE file for details.

Author

  • Kirill Markin

Nothing above is checked by us. What we check is on the safety report.

Install directly

claude mcp add --transport http flashcards https://mcp.nibomo.com/mcp
Add to Cursor

Nibomo: common questions

Is Nibomo MCP server safe?
Yes, by our scan: it is graded A (95/100). Read the Nibomo safety report
How do I install Nibomo?
It runs remotely at mcp.nibomo.com. 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 Nibomo need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Nibomo maintained?
The last commit was in the last day (2026-09-19). The latest release is v1.26.0.
Is Nibomo up?
100% of our last 6 checks got an answer. We check remote servers about four times a day.
What can I use instead of Nibomo?
Servers from other publishers that do the same job: Anki MCP Server.

Alternatives to Nibomo

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

  • Anki MCP Server
    MCP server for Anki flashcards: adaptive review, notes, media, and deck management via AnkiConnect.
    A

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