General & Other
Real file from a public repo · synced Aug 25, 2026
whose-number-is-this
A phone number is a strong selector: expensive to acquire, hard to change, and used as an account-recovery anchor almost everywhere.
Works with
Claude CodeCursorCodex CLIGitHub CopilotGemini CLI
Install in three steps
- 1
Download the ZIP
One file per agent, plus INSTALL.md with the exact paths below.
- 2
Claude Code: copy SKILL.md into your skills folder
.claude/skills/whose-number-is-this-1s2p34/SKILL.md # this project ~/.claude/skills/whose-number-is-this-1s2p34/SKILL.md # every project
- 3
Other agents: use the matching file
skill.mdc goes in Cursor’s .cursor/rules/. AGENTS.md works as GitHub Copilot instructions, a legacy .cursorrules, or a Codex / Gemini CLI instructions file.

