sts2-pilot-run

sts2-pilot-run is a skill for Claude Code, Codex from ttxttx1111/sts2-llm. It costs 47 tokens per session (1,555 once invoked), scanned A, original, MIT.

A live-run assistant for Slay the Spire 2, a card-based strategy game. It reads the current run and helps make decisions during combat, rewards, routes, shops, rests, and events through STS2 MCP.

In plain words
What is it for?
Use it to play or resume a run, choose combat actions and card rewards, select routes, buy from shops, rest, handle events, and update the run’s playbook and timeline.
Why use it?
It provides a repeatable decision process for an active game run and keeps relevant run notes and recent decisions available between important choices.

Skill for Claude CodeCodex

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

Good fit Use it to play or resume a run, choose combat actions and card rewards, select routes, buy from shops, rest, handle events, and update the run’s playbook and timeline.

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Install with agentmods
npx agentmods add skills/ttxttx1111/sts2-llm/sts2-pilot-run
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 ttxttx1111/sts2-llm --skill sts2-pilot-run
Clone the repo
git clone --depth 1 https://github.com/ttxttx1111/sts2-llm

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 sts2-pilot-run

README.md
[![agentmods](https://agentmods.dev/badge/skills/ttxttx1111/sts2-llm/sts2-pilot-run/github.svg)](https://agentmods.dev/skills/ttxttx1111/sts2-llm/sts2-pilot-run)
Your own site
<a href="https://agentmods.dev/skills/ttxttx1111/sts2-llm/sts2-pilot-run"><img src="https://agentmods.dev/badge/skills/ttxttx1111/sts2-llm/sts2-pilot-run/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 sts2-pilot-run

Your own site · 80×15
<a href="https://agentmods.dev/skills/ttxttx1111/sts2-llm/sts2-pilot-run"><img src="https://agentmods.dev/badge/skills/ttxttx1111/sts2-llm/sts2-pilot-run.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,555 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 original No closer match found 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 $0.00047 $0.01555
Opus 5 $0.00023 $0.00777
Sonnet 5 $0.00009 $0.00311
Haiku 4.5 $0.00005 $0.00155

Measured 9d ago against content hash 98fa8b65687e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

sts2-pilot-run 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 9d 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.

.github/skills/sts2-pilot-run/SKILL.md · 87 lines

How it starts

The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.

STS2 pilot run workflow

Use this skill when the task is to play the run in front of you.

What this skill owns

  • reading the current game state
  • deciding combat turns
  • choosing card rewards, routes, shop buys, and rest actions
  • refreshing run memory before major decisions
  • updating the current-run playbook after meaningful pivots
  • updating the active run timeline so recent-run status is queryable later

Operating loop

  1. Start with get_game_state

    • prefer format: "json" in combat
    • prefer format: "markdown" for map, event, reward, shop, and rest screens
  2. Refresh memory before non-trivial decisions

    • read the current playbook at ../../sts2-memory/current-playbook.md
    • read the lesson ledger at ../../sts2-memory/lesson-ledger.md
    • briefly state which 1 to 3 lessons still apply
    • in the first meaningful draft, path, shop, and rest decisions of a new run after a loss, also recall the last deck autopsy and name which prior failure mode this line is fixing or risking
    • do not load the full review archive during live play unless the current choice depends on a rare card, relic, event, boss, or another narrow situation that the compressed memory does not cover well
    • if none apply, say so explicitly
  3. Choose the line that best improves current win rate

    • combat: balance survival, tempo, kill pressure, and next-turn risk
    • rewards: improve deck quality, not deck size for its own sake
    • route: balance HP, elites, shops, upgrades, and map flexibility
    • events, rests, shops: weigh long-term gain against immediate danger
    • for card rewards, shops, and card-related campfire choices, structure the decision as: 这张牌是哪类 -> 这把缺哪类 -> 这次拿/跳 -> 拿了以后还要补什么
    • default card buckets are 前期战力牌 / 结构胶水牌 / 体系成长牌
    • do not let a strong Act 1 frontload pickup masquerade as proof that scaling, access, premium block, or post-burst floor are already solved

Read the full file on GitHub · 87 lines

Files

What ships with it

2 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. 9d ago First seen · 87 lines · 47 tokens per session scan A 98fa8b65687e

Subscribe to this mod's changes

sts2-pilot-run is a skill published in the GitHub repository ttxttx1111/sts2-llm (41 stars, last pushed 1mo ago), licensed MIT. It adds 47 tokens to every session and 1,555 once invoked, about $0.0002 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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