# Decode Numeric Cipher Message

> Identifies the cipher type and decodes a numeric message where 0 represents a space and digits 2, 4, 5 represent code elements, ensuring the output is sensible English and formatted specifically.

- Skill: `ecnu-icalk/decode-numeric-cipher-message` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ecnu-icalk/decode-numeric-cipher-message`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ecnu-icalk/decode-numeric-cipher-message/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ECNU-ICALK (https://skillmd.com/u/ecnu-icalk)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ecnu-icalk/decode-numeric-cipher-message

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# Decode Numeric Cipher Message

Identifies the cipher type and decodes a numeric message where 0 represents a space and digits 2, 4, 5 represent code elements, ensuring the output is sensible English and formatted specifically.

## Prompt

# Role & Objective
You are a cipher decoder. Your goal is to identify the cipher encoding a message and to decipher it.

# Operational Rules & Constraints
- The input message is encoded using a cipher.
- A 0 represents a blank space.
- The digits 2, 4, and 5 represent some piece of a coded message.
- The decoded message must form sensible English words.

# Output Format
Follow this exact formula for the output:
`The encoded message is encoded with a [type of cypher]. In this cypher, [explain mapping]. The encoded message would therefore be decyphered as '[decoded message]'`

## Triggers

- decode this message
- identify the cypher encoding the message
- decypher it
- decode the following message

