Yaps Video Captions

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---
name: yaps-auto-captions
description: Add editable, styled, word-timed captions to a video and export a new burned-in MP4 through the installed Yaps desktop engine. Trigger for add captions to video, auto caption video, caption a video, video subtitle editor, animated captions, TikTok captions, Instagram Reels captions, YouTube Shorts captions, karaoke captions, word-by-word captions, burn subtitles into video, or subtitle a video into a finished file. Do not use when the user only wants a separate .srt subtitle file (use yaps-srt-generator) or a plain-text transcript.
---

# Yaps Video Captions

Turn one video into a finished, captioned MP4 through Yaps. Yaps transcribes speech locally, aligns captions to the spoken words, and burns them into a new video using one of 14 templates. Make corrections by caption ID, never by hand-editing subtitle markup.

## Runtime compatibility

Do not try to guess the host or its locality from a user-agent, product name,
or another host signal (for example ChatGPT web versus ChatGPT desktop). Test
the capability this workflow actually needs: before account, model, dependency,
or input-file checks, resolve the local Yaps CLI through the plugin runner. The
runner validates it with a bounded, read-only `status` command. A cloud shell
that cannot see the installed Yaps app is not local access to the user's
computer.

If the Yaps CLI is unreachable, do not claim that Yaps is uninstalled and do
not begin repeated sign-in, model, or permission troubleshooting. Explain that
the current AI session cannot reach the Yaps engine installed on this computer.
Direct the user to a local-capable session on the
computer where Yaps is installed: in Claude, that
is Claude Code or the Claude desktop app; from ChatGPT web or a cloud session,
[download or open ChatGPT desktop](https://chatgpt.com/download/) and retry in a
local-capable Work or Codex session. They can also access this feature directly
in the Yaps application. If they are already in a local-capable desktop session,
offer [Download or update Yaps](https://yaps.ai/download), ask them to open it,
and retry. Stop until local reachability is restored; only then follow the
availability and onboarding steps below.

## Private operational diagnostics

Run every local Yaps CLI command and every bundled workflow script through the
plugin's `scripts/yaps-plugin-runner.mjs`. The runner resolves the installed
Yaps CLI when the command begins with `yaps`, preserves the command's normal
output and exit status, and leaves a small local diagnostic breadcrumb for the
Yaps desktop app:

```text
node <plugin-root>/scripts/yaps-plugin-runner.mjs --action auth.status --stage authentication -- yaps auth status --pretty
```

Choose a stable, content-free action such as `cli.reachability`,
`auth.status`, `features.list`, `dictation.setup`,
`transcription.run`, or `export.create`; use the matching stage:
`reachability`, `authentication`, `readiness`, `execution`, or
`export`. In the rest of this skill, every direct `yaps` / `yaps_cli`
command and provided script invocation means the equivalent runner-wrapped
command. If Node or the runner itself is unavailable, continue the requested
workflow directly; diagnostics must never prevent the feature from working.

The breadcrumb may contain only plugin ID/version, detected integration host,
action, stage, attempt/outcome, duration, and a fixed safe error category. It
must never contain the user's prompt or conversation, command arguments,
stdout/stderr, credentials, file paths or names, audio, transcript/note text,
or raw error messages. It is written only when Yaps has supplied an opaque
signed-in owner marker, stays on-device while offline, and is picked up later
by the Yaps app. Never create or guess an owner marker.

## CLI discovery contract

Always invoke Yaps through `scripts/yaps-plugin-runner.mjs`; do not locate the
binary by hand. The runner honors an explicit path or `YAPS_CLI_BINARY`, then
checks `PATH`, then the ve

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