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 skills add medy-gribkov/arcana --skill game-serversgit clone --depth 1 https://github.com/medy-gribkov/arcanaWrote 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/medy-gribkov/arcana/game-servers)<a href="https://agentmods.dev/skills/medy-gribkov/arcana/game-servers"><img src="https://agentmods.dev/badge/skills/medy-gribkov/arcana/game-servers/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.
<a href="https://agentmods.dev/skills/medy-gribkov/arcana/game-servers"><img src="https://agentmods.dev/badge/skills/medy-gribkov/arcana/game-servers.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00026 | $0.02108 |
| Opus 5.5 | $0.00010 | $0.00843 |
| Sonnet 5.5 | $0.00005 | $0.00422 |
| Haiku 4.5 | $0.00003 | $0.00211 |
Grade A, and why
game-servers 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 2mo 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 — 263 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Game Servers
Server Architecture Patterns
┌─────────────────────────────────────────────────────────────┐
│ SERVER ARCHITECTURES │
├─────────────────────────────────────────────────────────────┤
│ DEDICATED SERVER: │
│ • Server runs game simulation │
│ • Clients send inputs, receive state │
│ • Best security and consistency │
│ • Higher infrastructure cost │
├─────────────────────────────────────────────────────────────┤
│ LISTEN SERVER: │
│ • One player hosts the game │
│ • Free infrastructure │
│ • Host has advantage (no latency) │
│ • Session ends if host leaves │
├─────────────────────────────────────────────────────────────┤
│ RELAY SERVER: │
│ • Routes packets between peers │
│ • No game logic on server │
│ • Good for P2P with NAT traversal │
│ • Less secure than dedicated │
└─────────────────────────────────────────────────────────────┘
Scalable Architecture
SCALABLE GAME BACKEND:
┌─────────────────────────────────────────────────────────────┐
│ GLOBAL LOAD BALANCER │
│ ↓ │
├─────────────────────────────────────────────────────────────┤
│ GATEWAY SERVERS │
│ Authentication, Routing, Rate Limiting │
│ ↓ │
├─────────────────────────────────────────────────────────────┤
│ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ │
│ │ MATCHMAKING │ │ LOBBY │ │ SOCIAL │ │
│ │ SERVICE │ │ SERVICE │ │ SERVICE │ │
│ └─────────────┘ └─────────────┘ └─────────────┘ │
│ ↓ │
├─────────────────────────────────────────────────────────────┤
│ GAME SERVER ORCHESTRATOR │
│ (Spawns/despawns based on demand) │
│ ↓ │
├─────────────────────────────────────────────────────────────┤
│ ┌─────────────────────────────────────────────────────┐ │
│ │ GAME SERVERS (Regional, Auto-scaled) │ │
│ │ [US-East] [US-West] [EU-West] [Asia] [Oceania] │ │
│ └─────────────────────────────────────────────────────┘ │
│ ↓ │
├─────────────────────────────────────────────────────────────┤
│ DATABASE CLUSTER │
│ [Player Profiles] [Leaderboards] [Match History] [Items] │
└─────────────────────────────────────────────────────────────┘
What ships with it
3 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.
- 2mo ago First seen · 263 lines · 26 tokens per session scan A 9e64c3f41194
game-servers is a skill published in the GitHub repository medy-gribkov/arcana (1 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 26 tokens to every session and 2,108 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-31.
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