# Sandjab

> Open-source publisher. Listings imported from github.com/Sandjab — credited to the original author with their license.

- **Listings:** 1
- **Total installs:** 0
- **Profile:** https://agentstack.voostack.com/s/sandjab
- **Website:** https://github.com/Sandjab

## Published listings

- [Heavy Thinking](https://agentstack.voostack.com/l/skill-sandjab-heavyskill-heavy-thinking) — Skill · Free · security-reviewed — `agentstack add skill-sandjab-heavyskill-heavy-thinking`
  Use when facing complex reasoning tasks — competition math (AIME, HMMT, Olympiad), STEM problems, GPQA-style hard science questions, intricate logical deduction, algorithmic / code-competition challenges, or any problem where a single chain-of-thought feels insufficient or where the initial approach is uncertain. Spawns K independent parallel reasoning agents and then performs critical sequential…

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Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add <slug>`.