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/sd0xdev/sd0x-harness/debugnpx skills add sd0xdev/sd0x-harness --skill debuggit clone --depth 1 https://github.com/sd0xdev/sd0x-harnessWhat 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 | $0.00067 | $0.02443 |
| Opus 5 | $0.00034 | $0.01222 |
| Sonnet 5 | $0.00013 | $0.00489 |
| Haiku 4.5 | $0.00007 | $0.00244 |
Grade A, and why
debug scanned grade A with 1 finding 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
| Read-first default | 預設探測為唯讀：`cat`, `curl -s`, `grep`, `ls`, `git log` | How it starts
The opening of the file, as written. The whole thing — 243 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Debug Skill
Trigger
- Keywords: debug, 除錯, troubleshoot, diagnose, 查問題, 找 bug, 為什麼不動, 為什麼不 work, something wrong, not working
When NOT to Use
| Scenario | Alternative |
|---|---|
| GitHub Issue / PR thread 分析 | /issue-analyze |
| 已知根因、直接修復 | /bug-fix |
| 理解程式碼如何運作 | /code-explore |
| 需要雙視角確認邏輯 | /code-investigate |
| 部署後唯讀功能驗證 | /feature-verify |
Prohibited Actions
❌ git add | git commit | git push — per @rules/git-workflow.md
This skill debugs and may fix code but does not commit. /precommit is a quality gate only. To commit, the user must invoke /smart-commit --execute separately.
Workflow
Phase 0 Phase 1 Phase 2 Phase 3 Phase 4 Phase 5
Intake → Classify → Probe Loop → Root Cause → Fix + → Report
+ Repro (Taxonomy) (max 6) Confirmation Verify
│ │ │ │ │ │
▼ ▼ ▼ ▼ ▼ ▼
Execute refs/ Bash /seek-verdict Edit+test --export
reproduce failure- /codex- /code-investigate /bug-fix (optional)
taxonomy brainstorm (optional)
Phase 0: Intake + Reproduce
| Step | Action | Output |
|---|---|---|
| 0a | 解析問題描述（症狀、範圍、環境） | 結構化問題描述 |
| 0b | 嘗試重現（執行命令/腳本） | 預期 vs 實際結果 |
| 0c | 重現成功？ | Yes → Phase 1 / No → ⚠️ Need Human |
Repro Contract: 根因聲稱必須基於可重現的觀察，不可基於靜態推測。
Phase 1: Classify
根據觀察到的失敗模式，使用 Failure Taxonomy 分類並選擇 first-probe 策略。
See references/failure-taxonomy.md for:
- 6 problem types + detection signals + first-probe commands
- Classification decision tree
- Escalation paths
Phase 2: Probe Loop
假設驅動的互動式探測迴圈。See references/probe-protocol.md for full rules.
每個 probe 是一個假設測試：
1. 定義假設 H
2. 設計探測命令 C
3. 預測「若 H 成立 → 期望 O」
4. 執行 C → 觀察實際結果
5. 更新假設集合
6. 選下一個最具鑑別力的探測
Termination
| Condition | Action |
|---|---|
| 根因已定位 + ≥1 執行結果佐證 | Stop → Phase 3 |
| ≥2 競爭假設無法區分 | Brainstorm → /codex-brainstorm 對抗辯論 |
| 連續 2 輪無新資訊 | Escalate → ⚠️ Need Human |
| Max rounds (6) reached | Escalate → ⚠️ Need Human |
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.
- 2d ago First seen · 243 lines · 67 tokens per session scan A ebb2bb12a3a1
debug is a skill published in the GitHub repository sd0xdev/sd0x-harness (188 stars, last pushed 2d ago), licensed MIT. It adds 67 tokens to every session and 2,443 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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