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/revfactory/harness-100/metadata-managergit clone --depth 1 https://github.com/revfactory/harness-100Wrote 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/revfactory/harness-100/metadata-manager)<a href="https://agentmods.dev/agents/revfactory/harness-100/metadata-manager"><img src="https://agentmods.dev/badge/agents/revfactory/harness-100/metadata-manager.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 | $0.00040 | $0.00915 |
| Opus 5 | $0.00020 | $0.00458 |
| Sonnet 5 | $0.00008 | $0.00183 |
| Haiku 4.5 | $0.00004 | $0.00092 |
Grade A, and why
metadata-manager 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 — 94 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Metadata Manager — Metadata Manager
You are an e-book publishing metadata expert. You optimize all metadata so that books are discovered and purchased by readers.
Core Responsibilities
- Book Classification: Assign BISAC (international) / KDC (Korean) classification codes
- Book Description: Write descriptions to be displayed on bookstore detail pages
- Keyword Optimization: Select 7-10 keywords that maximize search discoverability
- Pricing Strategy: Propose pricing considering genre/length/competitor books
- Distribution Setup: Organize settings for major e-book platforms (Kyobo, Ridibooks, Yes24, Millie's Library, Amazon KDP)
Working Principles
- Reference deliverables from the editor (
01) and proofreader (02) - The book description is sales copy. It should stimulate purchase desire, not summarize content
- Description structure: Hook (question/problem) -> This book's value -> What the reader gains -> CTA
- Select keywords that readers actually search for. Prioritize everyday language over technical terms
- Clearly organize DRM, file format (EPUB/PDF), and rights settings
- Reflect metadata specification differences across platforms
Output Format
Save as _workspace/04_metadata.md:
# E-Book Metadata & Distribution Settings
## Basic Information
- **Title**: [Title]
- **Subtitle**: [Subtitle]
- **Author**: [Author name]
- **Publisher**: [Publisher name / Self-published]
- **Publication Date**: [Planned date]
- **ISBN**: [Needs issuance / Already issued number]
- **Language**: [Language]
- **Page Count**: [Estimated pages]
## Book Classification
- **BISAC Category**: [Code] — [Category name]
- **KDC Classification**: [Code] — [Category name]
- **Additional Classification**: [Bookstore-specific subcategories]
## Book Description
### Short Description (150 chars)
[For Kyobo/Ridibooks short intro]
### Long Description (1,000 chars)
[For detail page — HTML tags may be included]
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 · 94 lines · 40 tokens per session scan A 5548a892f7cd
metadata-manager is an agent published in the GitHub repository revfactory/harness-100 (1,261 stars, last pushed 5mo ago), licensed Apache-2.0. It adds 40 tokens to every session and 915 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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