Orbit Wars Replay Viewer Agent Skill

Visualizes Orbit Wars match logs in the browser using interactive selection and Kaggle-compatible HTML rendering.

Context cost
3k tokensestimated from the bundle, loaded when it triggers
Bundle
6 files · 36.2 kB4 scripts among them — read before you run
Licence
not declarednone named by its author
Last change
—no release on file
Servers it uses
Noneruns standalone

What it does

Orbit Wars の対戦ログをブラウザで再生するスキル。ローカルの self-play ログ (data/lake/selfplay) と Kaggle スクレイピング済みエピソード (data/lake/kaggle_episodes) を対象に、a concise user question でソース・フィルタ条件・対戦を選択させ、kaggle_environments の HTML プレーヤーで再生する。`/replay-viewer` で明示起動されたとき、または「リプレイを見たい」「対戦ログを再生」「self-play の試合を可視化」「Kaggle のエピソードを見たい」「match_id ◯◯ を再生」など、収録済みマッチを目で見たいというニュアンスのリクエストで起動する。1試合ずつのインタラクティブな確認用途。

What this skill changes about the agent has not been set out here as a list. Its SKILL.md, shown below, says it in the author’s own words.

gamedev

The skill itself

A skill is instructions the model reads, so you can see what you are getting: below is the start of its SKILL.md. The front matter loads with every session, the body loads when the skill triggers, and the whole file comes with the install.

SKILL.md10.9 kB · preview
--- name: replay-viewer ---
6# replay-viewer
7
8このスキルは、収録済みの Orbit Wars 対戦を 1 試合選んでブラウザで再生する。
9明示起動 (/replay-viewer) または「リプレイを見せて」系のリクエストで起動する。
10
11## 前提
12
13- インデックスとリプレイは DVC 管理。最初に data/lake/selfplay/matches/ または data/lake/kaggle_episodes/matches/ が空なら、ユーザーに uv run --directory backend dvc pull を案内する
14- 再生は kaggle_environments.Environment.render(mode="html") をそのまま使う。新しい可視化は書かない
15- スクリプトは backend/ 配下で動く必要があるため、必ず uv run --directory backend python <script> の形で呼ぶ
16
17## 動作シーケンス
18
19ユーザーから「リプレイ見たい」と言われたら、以下を上から実行する。
20途中の判断はユーザーに聞かず、a concise user question で出した選択肢の答えだけを根拠に進める。
21
22### Step 1 — ソース選択
23
24最初の a concise user question で「どのデータソースを見るか」を 1 問聞く。
This is a preview of SKILL.md. Download or install the skill to get the whole thing.
In the file
SKILL.md782 words
Files6
Licencenot declared
Why you can read it

Nothing in a skill executes. The client loads the text and the model follows it, so a skill can be audited the way a runbook is — by reading it.

What it costs in context

Skills are not billed by the call. They are paid for in context: every token the instructions occupy is a token your code, your diff and your conversation cannot use. Here is what this one takes and when it takes it.

≈100
always loaded
The name and description, so the model knows the skill exists and when to reach for it.
2,925
on trigger
The instruction body and 5 supporting files, read only when the skill fires.
1.5%
of a 200k window
Ten skills this size would take about 15% of the window before you open a file.
050k100k150k200k context window

3k tokens, estimated from the bundle at four bytes to the token, held for the rest of the session once it triggers. Middling. Fine to keep on in a project where you use it weekly, worth unloading in one where you never do.

Servers bill, skills cost

A server charges by the month. A skill charges once per session, in context, and then keeps charging it for as long as the session lives.

Before and after

The same question, put to the same model twice: once as it comes, and once with these instructions loaded.

No worked example has been published for this skill yet.

The procedure it runs

The procedure has not been set out here step by step. It is in the body of its SKILL.md: the start of it is shown above, and the whole file comes with the install.

Prose, not code

These steps are written for a model to follow, not executed by a runtime. It can still be told to skip one, and it will say so when it does.

Servers it uses

None. This skill calls no MCP servers at all.

Everything it needs is in the instructions, so it works in a project with nothing connected — the model reads the file and changes how it works with what it can already reach.

Its SKILL.md does not declare which tools it asks the agent for, so what it touches is whatever the instructions themselves ask for — read them before you install it.

What it asks for
Writes filesnot declared
Network accessnot declared

This SKILL.md carries no allowed-tools line, so neither is declared. A skill grants no permissions of its own — it can only ask for tools your client already has.

What it will not do

Every skill is narrow, and the useful ones say where they stop. These are the jobs this one is the wrong tool for.

What this skill is not for has not been published here. Nothing is implied by that: it is a section the author has not filled in.

What is in the bundle

6 files, 36.2 kB on disk. Mostly text — the instructions the model reads — with 4 scripts in it that your client would run only if the instructions tell it to.

  • SKILL.md10.9 kB
  • evals/evals.json1.2 kB
  • scripts/_banner.py3.6 kB
  • scripts/list_matches.py5.6 kB
  • scripts/render_replay.py5.4 kB
  • scripts/rerun_match.py9.5 kB
What is not in it

A skill installs nothing and depends on nothing: it is a folder your client reads. This one carries 4 scripts beside the text, so the bundle is 6 files you can review in full before installing.

Install

Installing copies the bundle into your project. Nothing runs at install time — the files sit on disk until the model reads them.

# Orbit Wars Replay Viewer · 3k tokens when loaded · macOS, Linux mkdir -p .claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/orbit-wars-replay-viewer/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/orbit-wars-replay-viewer" ] && { [ ! -e .claude/skills/orbit-wars-replay-viewer ] || { mv .claude/skills/orbit-wars-replay-viewer "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/orbit-wars-replay-viewer" .claude/skills/ && echo "Installed .claude/skills/orbit-wars-replay-viewer"
On Windows, or any OS with Node 20+
npx mcprush@latest skill add yurinakayama/orbit-wars-replay-viewer

Windows PowerShell says 'running scripts is disabled on this system'? Run Set-ExecutionPolicy -Scope CurrentUser RemoteSigned once, or type npx.cmd instead of npx (codex.cmd, gemini.cmd, grok.cmd likewise). PowerShell 7 needs neither. Writes to .claude/skills/orbit-wars-replay-viewer/ in the current project. For every project instead, run mkdir -p ~/.claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/orbit-wars-replay-viewer/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/orbit-wars-replay-viewer" ] && { [ ! -e ~/.claude/skills/orbit-wars-replay-viewer ] || { mv ~/.claude/skills/orbit-wars-replay-viewer "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/orbit-wars-replay-viewer" ~/.claude/skills/ && echo "Installed ~/.claude/skills/orbit-wars-replay-viewer" (macOS, Linux) — or add --global to the npx line. The curl line replaces .claude/skills/orbit-wars-replay-viewer/ only after the download succeeds, so files left there by another skill of the same name, or by an older release, do not mix in. A copy already there is moved aside, not deleted, and the line prints where. It appears as replay-viewer in Gemini CLI, Codex, Copilot and Grok (its own name); Claude Code lists it by the folder name, orbit-wars-replay-viewer.

Which clients pick it up on their own

A skill is a folder of text. Most of these read a skills folder and pick it up without being told; the rest take the same folder another way — an upload in the app, a parameter on an API call — and then choose it by its description just the same.

Claude Code.claude/skills/
Claude DesktopCustomize › Skills
ChatGPTSkills › Create › Upload
Cursor.cursor/skills/
VS Code.github/skills/
Codex CLI.agents/skills/
Gemini CLI.gemini/skills/
Grok Build.grok/skills/
Microsoft CopilotSkills › Upload a skill
PerplexityComputer › Skills › Upload a skill
DeepSeek Harness.dsh/skills/
Zed.agents/skills/
Devin Desktop.devin/skills/
Windsurf (legacy).windsurf/skills/
OpenAI Agents SDKInstructions or sandbox Skills
HTTP / APIa request parameter
This release
Versionnot versioned
Publishedno release date on file
PriceFree
Referenceyurinakayama/orbit-wars-replay-viewer

Versions

Its author publishes no version number, so there is nothing here to pin to: what you install is the folder as it stands today. Instructions change more often than APIs do — a skill can be rewritten entirely without anything it depends on moving.

Pinning

Nothing to pin to: this skill carries no version number of its own. What you install is what the folder holds on the day you install it.

Reviews

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