Borrowing it
Nothing to install: this file belongs to OpenVidu/openvidu.io. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/OpenVidu/openvidu.io/main/.claude/skills/blog-write/SKILL.mdgit clone --depth 1 https://github.com/OpenVidu/openvidu.ioWrote 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/openvidu/openvidu.io/blog-write)<a href="https://agentmods.dev/skills/openvidu/openvidu.io/blog-write"><img src="https://agentmods.dev/badge/skills/openvidu/openvidu.io/blog-write.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 5.1 | $0.00101 | $0.01351 |
| Opus 5 | $0.00051 | $0.00675 |
| Sonnet 5 | $0.00020 | $0.00270 |
| Haiku 4.5 | $0.00010 | $0.00135 |
Grade A, and why
blog-write 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 7d 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 — 93 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OpenVidu Content Writer
Write a high-quality technical blog post from a provided outline. Draft in the outline's order, in one of two modes:
- Full-post mode — produce the entire draft in one response.
- Section mode — produce only the requested section(s), preserving continuity with surrounding context.
If no outline exists yet, use the blog-plan skill first.
Conventions (read first)
Read references/conventions.md before drafting — it is the
single source for the naming invariant (file ↔ asset folder ↔ frontmatter agreement, the
YYYY/MM draft mechanism), the full frontmatter template, the link rules (including the
excerpt exception), registration, and the publish procedure. The allowed categories are read
from categories_allowed in mkdocs.yml; author keys from docs/blog/.authors.yml.
Also read one or two recent posts in docs/blog/posts/ to match voice, depth, and
formatting.
Post body structure
- H1 title (
# ...) — matches the outline's title. - Poster image immediately after the H1, using root-absolute asset paths (
YYYY/MMstays literal while the post is a draft). Use light/dark variants when available:
A single image can use { align=right width=60% }sizing attributes. Pointcover_imageat this poster too (a raster-lightvariant). - Intro — first paragraph opens with a hook (a question or a clear benefit). It may run a little longer than body paragraphs.
<!-- more -->on its own line immediately after the intro. This is mandatory — the blog plugin setspost_excerpt: required, so a missing tag breaks the build.- H2/H3 sections following the outline, fundamentals → advanced.
- A closing "What to do next / Need more than this?" section linking to relevant OpenVidu docs and deployment types.
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.
- 7d ago First seen · 93 lines · 101 tokens per session scan A 58eba600c8b1
blog-write is a skill published in the GitHub repository OpenVidu/openvidu.io (5 stars, last pushed 2d ago), licensed Apache-2.0. It adds 101 tokens to every session and 1,351 once invoked, about $0.0005 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 2026-08-31.
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