novoads/agent-skills · shared/skills/caption-video/SKILL.md

caption-video skillA

caption-video is agent-read markdown (skill) from novoads/agent-skills: Burn timed, styled captions into a finished video on the local machine, without re-rendering the source. This is the manual fallback to the API's captioning endpoint, POST /v1/captions, which stays the default path: come here when the style the user wants is outside the API's presets, when the wording has to be hand-corrected before it is burned into the pixels, or when the source was rendered with audio disabled and the API refuses it. Transcribes the audio with Whisper, groups words into readi.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add novoads/agent-skills/caption-video@git:20260911.9e39357
Exact content
mdr add novoads/agent-skills/caption-video@sha256:6b445e3f38e92b28

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ckevetsru2tllwr6.svg)](https://markdownregistry.com/a/art_ckevetsru2tllwr6)

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Versions

versioncommittedcommitsizeaudit
git:20260911.9e39357 latest2026-09-11 9e39357 8,559 BA view · diff
git:20260814.0cfabea2026-08-14 0cfabea 8,559 BA view · diff
git:20260814.62e1e322026-08-14 62e1e32 8,562 BA view · diff
git:20260813.5c277a42026-08-13 5c277a4 8,562 BA view · diff
git:20260813.9f290362026-08-13 9f29036 8,562 BA view · diff
git:20260813.5616c8d2026-08-13 5616c8d 8,227 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (8559 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

novoads/agent-skills · 15 stars · license MIT · pushed 2026-09-11 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ckevetsru2tllwr6
GET https://markdownregistry.com/api/v1/resolve?ref=novoads/agent-skills/caption-video
GET https://markdownregistry.com/api/v1/blob/6b445e3f38e92b28476f719e07ecadd2105f9d9f58051161cd371b83442933e6