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 joshsymonds/nix-config --skill debugging-linux-gamesgit clone --depth 1 https://github.com/joshsymonds/nix-configWrote 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/joshsymonds/nix-config/debugging-linux-games)<a href="https://agentmods.dev/skills/joshsymonds/nix-config/debugging-linux-games"><img src="https://agentmods.dev/badge/skills/joshsymonds/nix-config/debugging-linux-games/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/joshsymonds/nix-config/debugging-linux-games"><img src="https://agentmods.dev/badge/skills/joshsymonds/nix-config/debugging-linux-games.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Excessive Agency · line 13 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 | $0.00274 | $0.02752 |
| Opus 5.5 | $0.00110 | $0.01101 |
| Sonnet 5.5 | $0.00055 | $0.00550 |
| Haiku 4.5 | $0.00027 | $0.00275 |
Grade A, and why
debugging-linux-games 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 1mo 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 — 200 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Debugging Linux Games (Research-First)
Overview
Steam-on-Linux problems almost always have a documented community fix. The documented fix is usually a game launch option, an env var, a config tweak, or a known proton-ge / proton-cachyos release with a workaround baked in — NOT a patch to dxvk-nvapi or vkd3d-proton. Diving into shim code without checking first is how 10 hours get spent producing patches that the actual fix renders unnecessary.
Core principle: Community research first. Code second. Always.
Iron Law: NO patches, forks, overlays, postFixup drops, or any code changes to the Wine/Proton/DXVK/vkd3d/gamescope stack until the six-source research checklist below has been completed within a 30-minute time-box. If a launch option, env var, config flag, or proton-ge build already solves the problem, that's the answer — even if reading the source feels more satisfying. No exceptions.
Announce at start: "I'm using debugging-linux-games to research before touching code."
Rigidity Level
LOW FREEDOM — The research phase is mandatory. The 30-minute time-box is mandatory. The "no shims until research is done" gate is mandatory.
The Six-Source Checklist
Time-box: 30 minutes. Stop earlier if a documented fix matches the symptom.
| # | Source | What you're looking for |
|---|---|---|
| 1 | ProtonDB (protondb.com/app/<id>) |
Working launch options, known issues, Proton version that works |
| 2 | Steam Community discussions for the app, Linux/Wine/Proton tags | Fix threads from devs or users — this is where /WineDetectionEnabled:False for PRAGMATA was found |
| 3 | Game-specific subreddits + r/linux_gaming | Recent threads naming the title |
| 4 | GitHub issues across ValveSoftware/Proton, HansKristian-Work/vkd3d-proton, doitsujin/dxvk, jp7677/dxvk-nvapi, ValveSoftware/gamescope |
Engine-specific bugs and merged workarounds; check both open AND closed |
| 5 | GE-Proton + proton-cachyos release notes | Per-release "added fix for X" entries with env vars |
| 6 | PCGamingWiki Linux section for the title | Engine-level fixes, "Wayland-broken" / "needs DXVK_CONFIG" notes |
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.
- 1mo ago Changed · +1 lines b221315c9003
- 1mo ago First seen · 199 lines · 274 tokens per session scan A 2e5202bdb868
debugging-linux-games is a skill published in the GitHub repository joshsymonds/nix-config (838 stars, last pushed yesterday), licensed MIT. It adds 274 tokens to every session and 2,752 once invoked, about $0.0011 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 2026-08-30.
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