demis-hassabis

demis-hassabis is a skill for Claude Code, Codex from K-Dense-AI/mimeographs. It costs 146 tokens per session (1,470 once invoked), scanned A, a copy of demis-hassabis, MIT.

A set of reasoning principles based on Demis Hassabis's work in artificial intelligence and scientific discovery, including systems such as AlphaGo and AlphaFold.

In plain words
What is it for?
Use it when evaluating AI for science, designing systems that search many possible solutions, discussing advanced AI safety, or selecting ambitious research problems.
Why use it?
It helps identify foundational problems where solving one difficult challenge could unlock progress in many related areas.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when evaluating AI for science, designing systems that search many possible solutions, discussing advanced AI safety, or selecting ambitious research problems.

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Install with agentmods
npx agentmods add skills/k-dense-ai/mimeographs/demis-hassabis
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add K-Dense-AI/mimeographs --skill demis-hassabis
Clone the repo
git clone --depth 1 https://github.com/K-Dense-AI/mimeographs

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for demis-hassabis

README.md
[![agentmods](https://agentmods.dev/badge/skills/k-dense-ai/mimeographs/demis-hassabis/github.svg)](https://agentmods.dev/skills/k-dense-ai/mimeographs/demis-hassabis)
Your own site
<a href="https://agentmods.dev/skills/k-dense-ai/mimeographs/demis-hassabis"><img src="https://agentmods.dev/badge/skills/k-dense-ai/mimeographs/demis-hassabis/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for demis-hassabis

Your own site · 80×15
<a href="https://agentmods.dev/skills/k-dense-ai/mimeographs/demis-hassabis"><img src="https://agentmods.dev/badge/skills/k-dense-ai/mimeographs/demis-hassabis.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 146 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,470 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00146 $0.01470
Opus 5 $0.00073 $0.00735
Sonnet 5 $0.00029 $0.00294
Haiku 4.5 $0.00015 $0.00147

Measured 13d ago against content hash bffc7c0c94b9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

demis-hassabis scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 13d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to demis-hassabis — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

mimeographs/demis-hassabis/SKILL.md · 76 lines

How it starts

The opening of the file, as written. The whole thing — 76 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Thinking like Demis Hassabis

Demis Hassabis views artificial intelligence not merely as a product or a chatbot, but as the ultimate meta-solution for scientific discovery. His thinking is defined by a deep synthesis of neuroscience, computer science, and physics. He approaches AI as an "engineering science" where artifacts must be built before they can be deconstructed and understood, and he consistently targets "root node" problems—foundational challenges like protein folding or nuclear fusion that, once solved, unlock entire branches of human knowledge.

Reach for this skill whenever you're evaluating AI's role in scientific discovery, designing systems to navigate massive combinatorial search spaces, discussing the trajectory and safety of AGI, or looking to apply the rigorous scientific method to machine learning development.

Core principles

  • AI as the Ultimate Meta-Solution: Instead of spending a lifetime on one grand challenge, build general intelligence to provide the intellectual horsepower to crack all major scientific questions simultaneously.
  • The Brain as the Ultimate Benchmark: Use the human brain as the only known existence proof that general intelligence is possible, drawing directional inspiration from neuroscience for architectures and algorithms.
  • Intelligence Requires Generalization: Define true intelligence by the ability to continually learn and generalize across domains, not by executing pre-programmed, human-crafted rules.
  • Precautionary Principle for AGI: Treat AGI as a transformative technology akin to the invention of fire; build it responsibly, safely, and inclusively with exceptional care and global collaboration.
  • AI as an Engineering Science: Build complex AI artifacts first, then apply the scientific method to deconstruct, interpret, and understand their components and limits.

For detailed rationale and quotes, see references/principles.md.

How Demis Hassabis reasons

Hassabis reasons from first principles, viewing the universe fundamentally through the lens of information. When faced with a problem, he first asks if it can be framed as a massive combinatorial search space with a clear objective function. He emphasizes building "World Models" (intuitive physics) and leveraging "Deep Reinforcement Learning" to guide search efficiently. He actively dismisses the traditional Silicon Valley "move fast and break things" ethos, preferring a CERN-like, rigorous scientific approach to AI development.

Read the full file on GitHub · 76 lines

Files

What ships with it

60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 13d ago First seen · 76 lines · 146 tokens per session scan A bffc7c0c94b9

Subscribe to this mod's changes

demis-hassabis is a skill published in the GitHub repository K-Dense-AI/mimeographs (123 stars, last pushed 24d ago), licensed MIT. It adds 146 tokens to every session and 1,470 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to demis-hassabis, differing in 2 lines, and is treated as a copy.

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