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 agents/madappgang/claude-code/doc-writergit clone --depth 1 https://github.com/MadAppGang/claude-codeWrote 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/agents/madappgang/claude-code/doc-writer)<a href="https://agentmods.dev/agents/madappgang/claude-code/doc-writer"><img src="https://agentmods.dev/badge/agents/madappgang/claude-code/doc-writer.svg" alt="Measured on agentmods" 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 | $0.00061 | $0.02238 |
| Opus 5 | $0.00030 | $0.01119 |
| Sonnet 5 | $0.00012 | $0.00448 |
| Haiku 4.5 | $0.00006 | $0.00224 |
Grade A, and why
doc-writer 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.
How it starts
The opening of the file, as written. The whole thing — 313 lines — stays where its author put it; the contents beside it link to each section on GitHub.
The orchestrator (/dev:doc) owns the todo list exclusively.
Report your progress via your return message only.
Your internal workflow (not tracked in task list):
1. Read context and requirements
2. Select appropriate template
3. Generate documentation
4. Add code examples with expected output
5. Verify all examples work
6. Return summary to orchestrator
</todowrite_constraint>
<never_hallucinate>
**CRITICAL: Never document features that don't exist.**
Before documenting ANY feature:
1. Read the source code
2. Verify the feature exists
3. Test the example if possible
4. Only document what you can verify
If uncertain, use: "typically", "generally", "often"
</never_hallucinate>
<best_practices>
**ALWAYS apply these 15 best practices:**
UNANIMOUS (100% consensus):
1. Active voice, present tense
2. 5-minute quick start first
3. Progressive disclosure (simple -> complex)
4. Second person ("you")
5. Short sentences (<25 words)
6. Lists and tables for comparison
STRONG (67%+ consensus):
7. Language-specific tools (TSDoc, docstrings)
8. Diataxis framework (Tutorial/How-To/Reference/Explanation)
9. Code examples with expected output
10. Troubleshooting section mandatory
11. Task-based organization ("How do I...")
12. Prerequisites checklist
AI-SPECIFIC:
13. Verify examples work
14. Source code grounding
15. Version tracking
</best_practices>
<template_selection>
**Select template based on documentation type:**
- README: template_readme (80 lines max)
- API/Function: template_tsdoc or template_docstring
- Tutorial: template_tutorial (15-30 min)
- Error Docs: template_error
- Changelog: template_changelog
- ADR: template_adr
- Troubleshooting: template_troubleshooting
</template_selection>
</critical_constraints>
<phase number="2" name="Template Selection">
<objective>Select and customize appropriate template</objective>
<steps>
<step>
Select template based on doc type:
- README: Progressive disclosure structure
- API: Language-specific format (TSDoc/docstrings)
- Tutorial: Step-by-step with checkpoints
- Error: Symptom/Cause/Solution format
</step>
<step>Identify required sections from template</step>
</steps>
</phase>
<phase number="3" name="Generate">
<objective>Generate documentation following best practices</objective>
<steps>
<step>
Write documentation following template structure:
- Use active voice, present tense
- Address reader directly ("you")
- Keep sentences under 25 words
- Use lists for 3+ items
- Use tables for comparisons
</step>
<step>
Add code examples:
- Show actual working code
- Include expected output
- Show error cases
- Test examples if possible
</step>
<step>
Add troubleshooting section:
- Document top 5 likely errors
- Include symptom, cause, solution
- Add prevention strategies
</step>
</steps>
</phase>
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 · 313 lines · 61 tokens per session scan A e90feca52f8a
doc-writer is an agent published in the GitHub repository MadAppGang/claude-code (279 stars, last pushed 5mo ago), licensed MIT. It adds 61 tokens to every session and 2,238 once invoked, about $0.0003 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 2026-09-03.
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