Agent skill

Gpt2 Codegolf

by lazyFrogLOL in lazyFrogLOL/Harness_Engineering

Guidance for implementing neural network inference (like GPT-2) under extreme code size constraints.

No licenceAuto-check passedAI & LLM Engineering

Install Gpt2 Codegolf

skills CLI
$ npx skills add lazyFrogLOL/Harness_Engineering --skill gpt2-codegolf -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install lazyFrogLOL/Harness_Engineering gpt2-codegolf --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/lazyFrogLOL/Harness_Engineering.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/gpt2-codegolf .claude/skills/gpt2-codegolf && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
gpt2-codegolf
GitHub stars
128
Token cost
~1.8k tokens
SKILL.md length
782 words
Files
1
Skills in repo
32
Repo updated
First seen
Licence
None found

At a glance

Guidance for implementing neural network inference (like GPT-2) under extreme code size constraints.

  • Works in 11 steps: Assess Feasibility Before Coding → Clarify Requirements Immediately → Recognize Impossible Constraints → …
  • Tasks that involve Deep learning
  • SKILL.md covers Overview, Critical First Steps, Recommended Approach and Verification Strategies, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Gpt2 Codegolf is an agent skill from lazyFrogLOL/Harness_Engineering. Guidance for implementing neural network inference (like GPT-2) under extreme code size constraints. This skill should be used when tasks require implementing ML model inference in minimal code (code golf), parsing model checkpoints in constrained environments, or building transformer architectures in low-level languages like C with strict size limits.

Its SKILL.md is about 1.8k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in AI & LLM Engineering, covering Deep learning and Machine learning.

When your agent uses it

  • Tasks that involve Deep learning
  • Tasks that involve Machine learning

Example prompts

  • “/gpt2-codegolf”

Workflow steps

11 steps, taken from the step headings in SKILL.md.

  1. Assess Feasibility Before Coding
  2. Clarify Requirements Immediately
  3. Recognize Impossible Constraints
  4. Design Before Implementation
  5. Incremental Implementation with Testing
  6. Size Optimization
  7. Underestimating Checkpoint Complexity
  8. Claiming Completion Prematurely
  9. Writing Incomplete Code
  10. Ignoring BPE Complexity
  11. Missing Error Handling

What it can do on your machine

Read from SKILL.md and the folder at commit cae3b25. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Gpt2 Codegolf loads about 1.8k tokens when it runs. Until then it costs about 92 tokens; SKILL.md has 782 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~92
When it runs · the whole SKILL.md, loaded when a task matches
~1.8k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 782 words (~1,788 tokens).

“This skill provides guidance for implementing neural network inference under extreme code size constraints. Tasks in this category typically require implementing a complete ML model (such as GPT-2) in a minimal amount of code, often in low-level languages like C…”

— opening of SKILL.md by lazyFrogLOL
name
gpt2-codegolf

Read the full SKILL.md on GitHub

Files

Just SKILL.md in skills/gpt2-codegolf of lazyFrogLOL/Harness_Engineering.

Open the folder on GitHubat commit cae3b25

Compare with similar skills

Gpt2 Codegolf next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Gpt2 Codegolf compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Gpt2 Codegolf this skilllazyFrogLOL/Harness_Engineering128—~1.8kAutomated safety check: PassNone
Scaffold Examplecomet-ml/comet-examples175—~1kAutomated safety check: PassNone
Christopher ManningK-Dense-AI/mimeo282—~1.8kAutomated safety check: PassMIT
Ian GoodfellowK-Dense-AI/mimeo282—~1.7kAutomated safety check: PassMIT
Ilya SutskeverK-Dense-AI/mimeo282—~1.7kAutomated safety check: PassMIT
Databricks ML Trainingdatabricks/databricks-agent-skills345—~4.6kAutomated safety check: PassCustom licence

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Questions about Gpt2 Codegolf

What does Gpt2 Codegolf do?

Guidance for implementing neural network inference (like GPT-2) under extreme code size constraints. Gpt2 Codegolf is an agent skill from lazyFrogLOL/Harness_Engineering. Guidance for implementing neural network inference (like GPT-2) under extreme code size constraints.

When should I use Gpt2 Codegolf?

Gpt2 Codegolf fits situations like: tasks that involve Deep learning; tasks that involve Machine learning.

How do I install Gpt2 Codegolf in Claude Code?

Run `npx skills add lazyFrogLOL/Harness_Engineering --skill gpt2-codegolf -a claude-code`. Or copy the skill folder (skills/gpt2-codegolf in lazyFrogLOL/Harness_Engineering) into .claude/skills/gpt2-codegolf in your project. Claude Code loads it when a task matches its description.

How do I install Gpt2 Codegolf in Codex?

Run `npx skills add lazyFrogLOL/Harness_Engineering --skill gpt2-codegolf -a codex`. Or copy the skill folder (skills/gpt2-codegolf in lazyFrogLOL/Harness_Engineering) into .agents/skills/gpt2-codegolf in your project. Codex loads it when a task matches its description.

Can I use Gpt2 Codegolf in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add lazyFrogLOL/Harness_Engineering --skill gpt2-codegolf -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/gpt2-codegolf, .gemini/skills/gpt2-codegolf, .github/skills/gpt2-codegolf and .opencode/skills/gpt2-codegolf in your project.

What does Gpt2 Codegolf need to run?

SKILL.md names no scripts, command-line tools or credentials: Gpt2 Codegolf is instructions for the agent only.

Does Gpt2 Codegolf access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Gpt2 Codegolf safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Gpt2 Codegolf use?

No licence was found for Gpt2 Codegolf or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Gpt2 Codegolf use?

About 1.8k tokens (SKILL.md is roughly 7.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Gpt2 Codegolf?

Skills that share tags, products or a category with Gpt2 Codegolf: Scaffold Example (comet-ml/comet-examples, 175 stars), Christopher Manning (K-Dense-AI/mimeo, 282 stars), Ian Goodfellow (K-Dense-AI/mimeo, 282 stars) and Ilya Sutskever (K-Dense-AI/mimeo, 282 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Gpt2 Codegolf?

lazyFrogLOL (a GitHub user) maintains it in lazyFrogLOL/Harness_Engineering, which has 128 GitHub stars. The repository holds 32 skills in this directory. The repository was last updated on May 18, 2026.

Source: lazyFrogLOL/Harness_Engineering on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.