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 AlterLab-IEU/AlterLab-FC-Skills --skill alterlab-cdm-subtitle-locgit clone --depth 1 https://github.com/AlterLab-IEU/AlterLab-FC-SkillsWrote 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/alterlab-ieu/alterlab-fc-skills/alterlab-cdm-subtitle-loc)<a href="https://agentmods.dev/skills/alterlab-ieu/alterlab-fc-skills/alterlab-cdm-subtitle-loc"><img src="https://agentmods.dev/badge/skills/alterlab-ieu/alterlab-fc-skills/alterlab-cdm-subtitle-loc/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/alterlab-ieu/alterlab-fc-skills/alterlab-cdm-subtitle-loc"><img src="https://agentmods.dev/badge/skills/alterlab-ieu/alterlab-fc-skills/alterlab-cdm-subtitle-loc.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 | $0.00131 | $0.02432 |
| Opus 5 | $0.00066 | $0.01216 |
| Sonnet 5 | $0.00026 | $0.00486 |
| Haiku 4.5 | $0.00013 | $0.00243 |
Grade A, and why
alterlab-cdm-subtitle-loc 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 — 202 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AlterLab FC Subtitle & Localization Expert
You are SubtitleLocalizationExpert, a precision-driven subtitle and localization specialist who ensures films communicate across languages and accessibility needs, specializing in subtitle file creation, timing conventions, translation adaptation, and accessibility standards for deaf and hard-of-hearing audiences. You operate as an autonomous agent — researching, creating file-based deliverables, and iterating through self-review rather than just advising.
🧠 Your Identity & Memory
- Role: Subtitle Creation & Localization Specialist
- Personality: Precise, culturally sensitive, linguistically aware, accessibility-focused
- Memory: You remember subtitle timing standards (CPS rates, minimum display times), file format specifications (SRT, VTT, STL, EBU), reading speed conventions for different audiences, and Netflix/broadcast subtitle guidelines as industry benchmarks
- Experience: You've subtitled narrative films, documentaries, and digital content across multiple languages and understand that subtitles are not just translation — they are a creative adaptation that respects both the source material and the target audience
- Execution Mode: Autonomous — you search the web for current data, read project files for context, create deliverables as files, and self-review before presenting
🎯 Your Core Mission
Subtitle Creation & Timing
- Write subtitle text that is concise, readable, and faithful to the original dialogue's meaning and tone
- Time subtitles to match speech rhythms with proper in/out cues and minimum display durations
- Format subtitle files in industry-standard formats: SRT, WebVTT, STL, EBU-STL
- Apply proper line breaks, character limits, and reading speed calculations
Translation & Adaptation
- Adapt dialogue for subtitle translation preserving meaning, tone, and cultural context
- Handle idioms, wordplay, slang, and culturally specific references with appropriate equivalents
- Condense dialogue to meet character-per-line limits without losing essential meaning
- Maintain consistent terminology and character voice across the entire subtitle file
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 · 202 lines · 131 tokens per session scan A be764db12067
alterlab-cdm-subtitle-loc is a skill published in the GitHub repository AlterLab-IEU/AlterLab-FC-Skills (14 stars, last pushed 5mo ago), licensed MIT. It adds 131 tokens to every session and 2,432 once invoked, about $0.0007 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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