# ikarus23/MifareClassicTool

An Android NFC app for reading, writing, analyzing, etc. MIFARE Classic RFID tags.

Repository: https://github.com/ikarus23/MifareClassicTool
Canonical: https://ross.abutalabs.com/products/mifareclassictool
Homepage: http://www.icaria.de/mct/
Language: Java
License: GPL-3.0
License Family: copyleft
Topics: mifare, android, nfc, security, android-nfc, rfid, rfid-tags, mifare-classic
Last push: 2026-06-21T15:33:24+00:00

## Health v2 (maintenance only)
Score: 83/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 88, release rhythm 67, longevity 100
- inputs: {"age_days": 4950, "days_push": 73, "days_rel": 220, "gap_med": 2, "n_releases_24m": 2}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 6312, forks 1025 (observed 2026-08-28T04:09:41.663530+00:00)

## What it is
An Android NFC application for reading, writing, analyzing, and cloning MIFARE Classic RFID tags. It includes dictionary-based key management, dump editing, and tools for decoding access conditions and value blocks.

## Use cases
- read and dump mifare classic rfid tags on android
- clone an nfc tag's data to another tag
- test known keys against mifare classic sectors
- write block data to mifare classic tags
- analyze mifare classic access conditions and value blocks
- format a mifare classic tag back to factory state
- clone a tag uid quickly

## When to choose
- you need a free, open-source Android tool to work with MIFARE Classic tags specifically
- you want offline key-file based authentication and tag dumping on a phone
- you need to edit, diff, or share tag dumps on mobile

## When to avoid
- you work with other RFID card types like MIFARE DESFire or Ultralight
- you need a desktop or Proxmark-based RFID research tool
- your device lacks NFC or is listed as incompatible

## Facets
- artifact type: application
- maturity: active
- function: security, developer-tools
- domain: security, android-tools, hardware
- platform: -
- tags: nfc, rfid, mifare-classic, tag-cloning, key-dictionary-attack, android

## Member repositories
- ikarus23/MifareClassicTool (main) score 83

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:41.663530+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:46:13.247616+00:00, confidence not recorded.
  - readme: https://github.com/ikarus23/MifareClassicTool (fetched 2026-08-28T04:09:41.663530+00:00, sha a4d636fd3902)
  - homepage: http://www.icaria.de/mct/ (fetched 2026-08-29T08:42:45.574381+00:00, sha 2c45ca8c57c9)
  - site_page: https://www.icaria.de/mct/documentation (fetched 2026-08-29T08:42:45.576910+00:00, sha a70e48661f7f)
  - site_page: https://www.icaria.de/mct/releases (fetched 2026-08-29T08:42:45.578506+00:00, sha f3051f48f593)
- Data as of 2026-08-30T08:39:29.467469+00:00.