Krillinai Subtitle

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krillinai

krillinai-subtitle

Use when generating subtitles with KrillinAI CLI from a YouTube link, Bilibili/local video, or existing media, including platform caption download, Whisper fallback, translation, bilingual SRT, and short vertical subtitle output.

Overview

Publisher	krillinai
Repository	`OpenCreator`
Skill name	`krillinai-subtitle`
Stars	12.6K
Forks	1.3K
Bundled files	Instructions only
License	Apache-2.0
Links	Skill source Repository Homepage

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by krillinai on GitHub. Read the source before you install it.

Installation

Install the Krillinai Subtitle AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/krillinai/OpenCreator/tree/master/skills/krillinai-subtitle
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/krillinai/OpenCreator.git /tmp/OpenCreator
mkdir -p .claude/skills
cp -r /tmp/OpenCreator/skills/krillinai-subtitle .claude/skills/krillinai-subtitle

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Krillinai Subtitle in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Krillinai Subtitle on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Krillinai Subtitle is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

KrillinAI Subtitle

Use this skill for the subtitle stage. Read skills/krillinai-cli/references/cli-contract.md first for binary location, execution working directory, configuration, and JSON behavior.

Command

bash
(cd "$KRILLINAI_CWD" && "$KRILLINAI_CLI" subtitle "<input>" \
  --origin-lang en \
  --target-lang zh_cn \
  --workdir "$WORKDIR" \
  --caption-source any \
  --prepare-video)

Inputs

YouTube URL: prefer --caption-source any; platform captions are used first, then Whisper fallback.
Local file: use local:/abs/path/video.mp4 or a path accepted by the CLI.
Bilibili or other yt-dlp supported links: use when media download works; platform caption behavior may differ, so expect transcription fallback.

Important Flags

Flag	Use
`--origin-lang`	Source language, such as `en`, `zh`, `ja`
`--target-lang`	Target language, such as `zh_cn`
`--workdir`	Dedicated task directory
`--caption-source any`	Prefer platform captions, fallback to transcription
`--caption-source whisper`	Force transcription
`--prepare-video`	Require the original video for later render stages
`--bilingual-top=true`	Put target language on top in bilingual SRT
`--subtitle-style-file`	Merge a JSON subtitle-style override
`--dry-run`	Validate without downloads or AI calls

Outputs

After a real run, read paths from krillinai_manifest.json. Main files:

origin_language_srt.srt
target_language_srt.srt
bilingual_srt.srt
short_origin_mixed_srt.srt
origin_video.mp4 when media preparation produced or required video
origin_audio.mp3 when transcription preparation produced audio

subtitle --dry-run validates command shape but does not write a manifest or output files.

Verification

Require terminal JSON with "ok": true.
Confirm krillinai_manifest.json exists under --workdir.
Spot-check bilingual_srt.srt ordering and short_origin_mixed_srt.srt readability.
When --prepare-video was requested, require a non-empty origin_video output.
For Agent integration details, read skills/krillinai-cli/references/cli-contract.md.

Frequently asked questions

What does the Krillinai Subtitle AI skill do?

Why use Krillinai Subtitle on TypingMind?

Because you install it once and use it with any model. Krillinai Subtitle is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Krillinai Subtitle in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/krillinai/OpenCreator/tree/master/skills/krillinai-subtitle. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Krillinai Subtitle?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Krillinai Subtitle?

As many as you like. As long as a model supports skills, you can use Krillinai Subtitle with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Krillinai Subtitle AI skill free?

Yes. It is published on GitHub by krillinai under the Apache-2.0 license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

KrillinAI Subtitle

Command

Inputs

Important Flags

Outputs

Verification

Frequently asked questions

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