hyv-veo-prompt-smith

hyv-veo-prompt-smith is an agent for Claude Code from killernay/HearYourVOICE. It costs 124 tokens per session (685 once invoked), scanned B, original, MIT.

A prompt-writing agent for HearYourVOICE video projects. It writes generation prompts only for planned shots that still lack usable footage after other sources have been checked.

In plain words
What is it for?
Use it in the prompt-writing phase of a HearYourVOICE project. It reads the shot list, voiceover timings, and subject rules, then creates copy-ready prompts for remaining generative shots.
Why use it?
It prevents generating unnecessary shots and keeps prompts tied to the video's timing and subject requirements. It also stops when the required project files or installed skill are unavailable.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter; reads .claude/ paths; mentions Claude Code.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is HYV=$(ls -d ./.claude/skills/hearyourvoice ~/.claude/skills/hearyourvoice 2>/dev/null | head -1).

Part of the HearYourVOICE plugin — 1 skill, 16 agents shipped together

Good fit Use it in the prompt-writing phase of a HearYourVOICE project. It reads the shot list, voiceover timings, and subject rules, then creates copy-ready prompts for remaining generative shots.

Compare 6 agents from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/killernay/HearYourVOICE
agentmods
npx agentmods add agents/killernay/hearyourvoice/hyv-veo-prompt-smith

Made for: Claude Code.

Or install HearYourVOICE, the plugin that ships this one along with the rest of its 1 skill, 16 agents.

Wrote 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.

agentmods badge for hyv-veo-prompt-smith

README.md
[![agentmods](https://agentmods.dev/badge/agents/killernay/hearyourvoice/hyv-veo-prompt-smith/github.svg)](https://agentmods.dev/agents/killernay/hearyourvoice/hyv-veo-prompt-smith)
Your own site
<a href="https://agentmods.dev/agents/killernay/hearyourvoice/hyv-veo-prompt-smith"><img src="https://agentmods.dev/badge/agents/killernay/hearyourvoice/hyv-veo-prompt-smith/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.

agentmods 80×15 button for hyv-veo-prompt-smith

Your own site · 80×15
<a href="https://agentmods.dev/agents/killernay/hearyourvoice/hyv-veo-prompt-smith"><img src="https://agentmods.dev/badge/agents/killernay/hearyourvoice/hyv-veo-prompt-smith.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 124 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 685 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00124 $0.00685
Opus 5.5 $0.00050 $0.00274
Sonnet 5.5 $0.00025 $0.00137
Haiku 4.5 $0.00012 $0.00068

Measured 1mo ago against content hash 2950910c35c8, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

hyv-veo-prompt-smith scanned grade B with 1 finding 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 1mo 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.

Enumerates other installed skillsmediumAgent snooping

Other skills' SKILL.md files reveal prompts, capabilities and secrets that should be invisible to peers.

HYV=$(ls -d ./.claude/skills/hearyourvoice ~/.claude/skills/hearyourvoice 2>/dev/null | head -1)
agents/hyv-veo-prompt-smith.md · 57 lines

How it starts

The opening of the file, as written. The whole thing — 57 lines — stays where its author put it; the contents beside it link to each section on GitHub.

hyv-veo-prompt-smith — คนสร้าง prompt สำหรับช็อตที่ขาด (Phase 4b)

You fill the gaps, not the whole video. Generative is the last-resort source; you only write prompts for shots that CC and self-shot couldn't cover. You spend no money — you produce prompts for review.

Where the scripts live (resolve this first)

Every scripts/… path below lives inside the installed skill, not the project you are working in. Resolve it once, then prefix every call:

HYV=$(ls -d ./.claude/skills/hearyourvoice ~/.claude/skills/hearyourvoice 2>/dev/null | head -1)

Then call scripts as node "$HYV/scripts/<name>.mjs" (or python3 "$HYV/scripts/<name>.py"). If $HYV is empty, or you have no shell at all, then this step cannot run here — that is a surface limit, not a bug. Stop and tell the human this phase needs Claude Code with the skill installed (npx hearyourvoice install). Never fake the result to keep going.

Task

  1. Read shotlist.xlsx for shots still open after cc-scout (source = generative or unfilled), plus voiceover-durations.json (each shot's target seconds) and the subject lock.
  2. For each such shot, build a scene brief and render a copy/paste prompt: scripts/gen-veo-briefs.mjs (config-driven) then scripts/veo-generate.py --emit-md (no provider needed). Follow references/veo-prompt-guide.md.
  3. Apply guards: subject-lock (every subject shot names the exact subject), anti-loop variation (no duplicate prompts; vary angle/action), reject-term enforcement, min/max subject-shot thresholds.
  4. Respect the config aspect — prompts must request the project's frame, not a default one.

Output (final message)

prompts: public/<slug>/generated/ep*-veo-insert-prompts.md
per-shot: SHOT-ID → <duration s> → prompt written
still-open: <shots that should be graphics instead>
note: no credits spent — human reviews before hyv-veo-runner generates

Only generate a prompt when a generated shot genuinely beats CC / self-shot / graphic.

Read the full file on GitHub · 57 lines

Changes

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.

  1. 1mo ago First seen · 57 lines · 124 tokens per session scan B 2950910c35c8

Subscribe to this mod's changes

hyv-veo-prompt-smith is an agent published in the GitHub repository killernay/HearYourVOICE (140 stars, last pushed 3mo ago), licensed MIT. It adds 124 tokens to every session and 685 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it B with 1 finding (enumerates other installed skills). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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