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 addxai/enterprise-harness-engineering --skill doc-writinggit clone --depth 1 https://github.com/addxai/enterprise-harness-engineeringWrote 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/addxai/enterprise-harness-engineering/doc-writing)<a href="https://agentmods.dev/skills/addxai/enterprise-harness-engineering/doc-writing"><img src="https://agentmods.dev/badge/skills/addxai/enterprise-harness-engineering/doc-writing/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/addxai/enterprise-harness-engineering/doc-writing"><img src="https://agentmods.dev/badge/skills/addxai/enterprise-harness-engineering/doc-writing.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 | $0.00044 | $0.01390 |
| Opus 5 | $0.00022 | $0.00695 |
| Sonnet 5 | $0.00009 | $0.00278 |
| Haiku 4.5 | $0.00004 | $0.00139 |
Grade A, and why
doc-writing 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 10d 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 — 154 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Doc Writing (HWPR/AWOR)
In the AI era, human value judgments get buried in AI-expanded long documents. This skill uses HWPR/AWOR markers so readers (human or AI) can quickly locate what the human actually thought.
For the detailed template, see examples/TEMPLATE-HWPR.md.
Core Concepts
- [HWPR] (Human Wrote, Please Read): Unknown context + value judgments written by a human. Must be short (3-5 sentences).
- [AWOR] (AI Wrote, Optional Read): Detailed content expanded by AI. Can be deleted, modified, or replaced.
Rules
- Never modify [HWPR] content — AI may only read HWPR paragraphs; it must not rewrite, rephrase, merge, or "polish" them
- HWPR must be short — Each HWPR paragraph must not exceed 3-5 sentences; write only: unknown context + value judgments
- Value judgments with humility — Use phrasing like "I believe" / "current judgment" / "possibly" in HWPR, acknowledging potential error
- [AWOR] can be freely modified — AI-expanded content may be replaced, deleted, or rewritten at any time
- Consistent marker format — Use bold markers
**[HWPR]**and**[AWOR]**as headers, followed by paragraph titles - HWPR uses blockquote — HWPR body text uses
>block quotes for visual distinction
Execution Flow
Mode A: Write a New Document
Trigger Conditions
User requests "help me write a document," "write a proposal," "draft a PRD," etc.
Step 1: Guide HWPR Extraction
Ask the user questions to extract core value judgments:
To write an effective document, I need you to provide the following HWPR content (keep it brief, 1-3 sentences per item):
1. **Background**: Why are we doing this? What is the core problem?
2. **Judgment**: What do you think we should do? Why this direction?
3. **Trade-offs**: What was deliberately given up? What are the known risks?
Step 2: Confirm HWPR
Organize the user's answers into HWPR paragraphs and display them for user confirmation. Once confirmed, HWPR is never modified afterwards.
What ships with it
1 file 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.
- 10d ago First seen · 154 lines · 44 tokens per session scan A 2e105088d2b9
doc-writing is a skill published in the GitHub repository addxai/enterprise-harness-engineering (44 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 44 tokens to every session and 1,390 once invoked, about $0.0002 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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