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/talayash/agentrium/rust-patternsnpx skills add talayash/agentrium --skill rust-patternsgit clone --depth 1 https://github.com/talayash/agentriumWhat 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 | $0.00015 | $0.00274 |
| Opus 5 | $0.00008 | $0.00137 |
| Sonnet 5 | $0.00003 | $0.00055 |
| Haiku 4.5 | $0.00002 | $0.00027 |
Grade A, and why
rust-patterns 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 2d 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.
What it actually says
Rust Patterns for ClaudeTerminal
Error Handling
- Commands return
Result<T, String>- use.map_err(|e| e.to_string()) - Never
.unwrap()in production - use?operator - Use
anyhowfor internal errors, convert to String at IPC boundary
Thread Safety
AppStateusesArc<Mutex<T>>- lock, use, drop quickly- Never hold a Mutex lock across
.awaitpoints - PTY reader threads use
mpsc::channelto communicate with Tokio tasks
Tauri Commands
- All commands are
asyncwith#[tauri::command] - Access state via
tauri::State<'_, AppState> - Register every command in
main.rsinvoke_handler
Windows Specifics
- Wrap shell commands with
cmd /C - Use
CREATE_NO_WINDOWflag on process spawns - Test path handling with backslashes
PTY Lifecycle
- Spawn → reader thread → mpsc channel → Tokio task → emit events
- On close: signal reader thread, join, close channel, emit
terminal-finished - Always clean up resources even on error paths
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.
- 2d ago First seen · 32 lines · 15 tokens per session scan A 4c469d715072
rust-patterns is a skill published in the GitHub repository talayash/agentrium (39 stars, last pushed 2d ago), licensed MIT. It adds 15 tokens to every session and 274 once invoked, about $0.0001 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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