Cyfrin BattleChain and Safe Harbor whitehat flow: deploy to the pre-mainnet L2, request attack mode, read on-chain bounty terms. Use with Cyfrin/solskill. Lawful attack-mode only on contracts that opted in.
Scanned 9/2/2026
Install to Claude Code
Skills Directorynpx -y skills add nuroctane/nur-cli --skill battlechain-safe-harbor-whitehat --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: battlechain-safe-harbor-whitehat
description: "Cyfrin BattleChain and Safe Harbor whitehat flow: deploy to the pre-mainnet L2, request attack mode, read on-chain bounty terms. Use with Cyfrin/solskill. Lawful attack-mode only on contracts that opted in."
---
# BattleChain and Safe Harbor
Cyfrin [BattleChain](https://docs.battlechain.com/) is a pre-mainnet L2 for battle-testing with real funds **and published bounty terms**. X: [@PatrickAlphaC](https://x.com/PatrickAlphaC) [@CyfrinAudits](https://x.com/CyfrinAudits).
Install `npx skills add cyfrin/solskill --skill battlechain` (ecosystem ensure also pulls `Cyfrin/solskill`).
## Rules
- Only contracts that requested attack mode / Safe Harbor.
- Read the on-chain bounty terms before touching them.
- PoCs stay within BattleChain. Do not pivot to Ethereum mainnet.
If the kit is installed, follow its skill body. If not: fetch BattleChain docs, list opted-in contracts, stop if terms are unclear.
Is this your skill, or is something wrong with this listing? Request removal or report an issue. Author removals are honored within 72 hours.
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Ultra-compressed communication mode. Cuts token usage ~75% by speaking like caveman while keeping full technical accuracy. Supports intensity levels: lite, full (default), ultra, wenyan-lite, wenyan-full, wenyan-ultra. Use when user says "caveman mode", "talk like caveman", "use caveman", "less tokens", "be brief", or invokes /caveman. Also auto-triggers when token efficiency is requested.
