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 damionrashford/media-os --skill hdr-dynmeta-docsgit clone --depth 1 https://github.com/damionrashford/media-osWrote 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/damionrashford/media-os/hdr-dynmeta-docs)<a href="https://agentmods.dev/skills/damionrashford/media-os/hdr-dynmeta-docs"><img src="https://agentmods.dev/badge/skills/damionrashford/media-os/hdr-dynmeta-docs/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/damionrashford/media-os/hdr-dynmeta-docs"><img src="https://agentmods.dev/badge/skills/damionrashford/media-os/hdr-dynmeta-docs.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 | $0.00204 | $0.01993 |
| Opus 5 | $0.00102 | $0.00996 |
| Sonnet 5 | $0.00041 | $0.00399 |
| Haiku 4.5 | $0.00020 | $0.00199 |
Grade A, and why
hdr-dynmeta-docs 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 12d 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 — 160 lines — stays where its author put it; the contents beside it link to each section on GitHub.
HDR DynMeta Docs
Context: $ARGUMENTS
Quick start
- Find a dovi_tool / hdr10plus_tool subcommand or flag: → Step 2 (
search) - Read the full README section: → Step 3 (
section) - Grab a whole README / release-notes page: → Step 4 (
fetch) - Prime cache for offline use: → Step 5 (
index)
When to use
- User asks "which Dolby Vision profiles does dovi_tool support?" (answer: 4, 5, 7, 8.1, 8.4 — 8.2 unknown).
- User asks about hdr10plus_tool subcommands (extract / inject / remove / plot / editor).
- User is about to chain
ffmpeg bsf=hevc_mp4toannexb | dovi_tool extract-rpu | …and needs to verify flag names. - Need latest release version and Rust MSRV before recommending install method.
- For the execution side (actually running these tools), see
hdr-dovi-tool+hdr-hdr10plus-toolskills.
Step 1 — Page catalog
uv run ${CLAUDE_SKILL_DIR}/scripts/hdrdocs.py list-pages
| Page | URL |
|---|---|
dovi-readme |
github.com/quietvoid/dovi_tool/blob/main/README.md (raw) |
dovi-releases |
api.github.com/repos/quietvoid/dovi_tool/releases/latest |
hdr10plus-readme |
github.com/quietvoid/hdr10plus_tool/blob/main/README.md (raw) |
hdr10plus-releases |
api.github.com/repos/quietvoid/hdr10plus_tool/releases/latest |
Read references/subcommands.md for the verified subcommand + flag catalog.
Step 2 — Search first
uv run ${CLAUDE_SKILL_DIR}/scripts/hdrdocs.py search --query "extract-rpu" --page dovi-readme
uv run ${CLAUDE_SKILL_DIR}/scripts/hdrdocs.py search --query "editor" --page hdr10plus-readme
Use --format json for machine-parseable output.
Step 3 — Read a section
uv run ${CLAUDE_SKILL_DIR}/scripts/hdrdocs.py section --page dovi-readme --id Usage
Step 4 — Fetch a page
uv run ${CLAUDE_SKILL_DIR}/scripts/hdrdocs.py fetch --page dovi-readme
uv run ${CLAUDE_SKILL_DIR}/scripts/hdrdocs.py fetch --page hdr10plus-releases
What ships with it
2 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.
- 12d ago First seen · 160 lines · 204 tokens per session scan A 0c12c000e52e
hdr-dynmeta-docs is a skill published in the GitHub repository damionrashford/media-os (19 stars, last pushed 3mo ago), licensed MIT. It adds 204 tokens to every session and 1,993 once invoked, about $0.0010 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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