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.
npx agentmods add skills/duolahypercho/gauntlet-loop/gauntlet-loopnpx skills add duolahypercho/gauntlet-loop --skill gauntlet-loopgit clone --depth 1 https://github.com/duolahypercho/gauntlet-loopWrote 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.
[](https://agentmods.dev/skills/duolahypercho/gauntlet-loop/gauntlet-loop)<a href="https://agentmods.dev/skills/duolahypercho/gauntlet-loop/gauntlet-loop"><img src="https://agentmods.dev/badge/skills/duolahypercho/gauntlet-loop/gauntlet-loop.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00128 | $0.00770 |
| Opus 5 | $0.00064 | $0.00385 |
| Sonnet 5 | $0.00026 | $0.00154 |
| Haiku 4.5 | $0.00013 | $0.00077 |
Grade A, and why
gauntlet-loop 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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 57 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Gauntlet Loop
This is a game skill. Pure prompt. No functions.
On invoke you are building a game to the level of a named reference game. Fill the three-paragraph aim prompt, then run it. Do not paste it for the user. Do not build a capture suite, state machine, or scoring framework around it. The prompt is the method.
- Read AGENTS.md — the prompt + game defaults + what not to invent.
- Read the harness overlay for loop verbs only:
- Infer nouns from
$ARGUMENTS/ the message. Default domain = game. One question max ifTHINGis missing. - Fill → execute on the game → keep going until the human stops you.
/gauntlet-loop a COD-style FPS in ThreeJS
/gauntlet-loop Hades-like roguelike in Godot
/gauntlet-loop Brotato-like arena survivor in Godot
Art for the game (not instead of the game)
| Need | Tool | Doc |
|---|---|---|
| Sprites, textures, UI pixels, concepts | Image gen | ASSETS.md |
| 2D hero/monsters (Brotato-like) | Image gen sprite factory (style lock → hero → batch → import) | ASSETS.md |
| Real meshes, GLB/FBX, 3D props/weapons | Blender MCP | BLENDER_MCP.md + ASSETS.md |
Critic grades in-game frames vs the real reference game. Art tools only close asset gaps — then wire into the playable build. For 2D sprite games, characters/monsters are image-gen sprites with one locked art language — not Blender, not procedural ovals.
Do not
- Treat this as a generic site/deck skill — games first
- Dump the prompt and stop — you run it
- Invent tools, harnesses, contracts, or round machinery
- Soften the critic / lower the reference / invent a stop condition
- End after one cycle and ask whether to continue
- Mix harness verbs (
/loopon Codex,/goalon Claude,ultracodeon Codex) - Lag the game out with capture farms / headless engine spam — the game stays playable
- Replace the game loop with endless image-gen or Blender-only rounds
What ships with it
6 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.
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.
- 4d ago First seen · 57 lines · 128 tokens per session scan A 18e89d3c422b
gauntlet-loop is a skill published in the GitHub repository duolahypercho/gauntlet-loop (150 stars, last pushed 1mo ago), licensed MIT. It adds 128 tokens to every session and 770 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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