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 commands/xiaolai/mac-it-guy-pro/fixgit clone --depth 1 https://github.com/xiaolai/mac-it-guy-proWhat 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 | $0.00025 | $0.00897 |
| Opus 5 | $0.00013 | $0.00449 |
| Sonnet 5 | $0.00005 | $0.00179 |
| Haiku 4.5 | $0.00003 | $0.00090 |
Grade A, and why
fix 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 3d 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 — 53 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Fix — diagnose before treat
Read ${CLAUDE_PLUGIN_ROOT}/skills/it-core/SKILL.md first — the safety contract is binding, especially: diagnose before treat, admin work handed to the user, verify after fix. Read ~/ITGuy/machine.md if it exists — Live Conclusions may already explain the symptom. If uname is not Darwin, say this version supports Mac only and stop.
Step 1: Restate the symptom
$ARGUMENTS is the user's description ("it's slow", "the fan is loud", "I can't find my files"). If $ARGUMENTS is empty, first ask — AskUserQuestion with common symptom options (slow, noisy/hot, out of space, something else) — before proceeding. Restate the symptom in one sentence and confirm anything ambiguous with AskUserQuestion — when did it start, is it constant or occasional, one app or everything. One round of questions at most.
Step 2: Gather evidence
Dispatch the mac-it-guy-pro:diagnostician agent (via Task) scoped to the areas the symptom implicates (slowness → memory, CPU, disk, startup; noise/heat → CPU, battery; space → disk). Cross-check its findings against the profile's Live Conclusions.
Step 3: Present the diagnosis
- What's going on: one plain-language paragraph tying evidence to symptom.
- Confidence: state it as high / moderate / low, and what would confirm it if not high.
- Options table:
| Option | What it does | Risk | Undoable? |
|---|
Always include "do nothing for now" as a row. If the honest answer is hardware or an Apple-side problem, say so and describe what to tell the repair shop — a good IT guy knows when it's not a software fix.
Step 4: Fix only what the user picks
Use AskUserQuestion for the choice, then apply exactly that option. Anything requiring admin rights is handed to the user: the exact command, the ! prefix instruction, and one sentence on what it does (safety contract rule 6). Anything requiring a restart: tell them why and let them do it when ready — never restart the machine yourself.
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.
- 3d ago First seen · 53 lines · 25 tokens per session scan A 822378667c81
fix is a command published in the GitHub repository xiaolai/mac-it-guy-pro (5 stars, last pushed 1mo ago), licensed MIT. It adds 25 tokens to every session and 897 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 2026-08-31.
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