Catch the user up like /ketchup, with a short subtitled video of slides for what happened and the waiting calls as text under it. Use for /ketchup-video.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Ketchup video
Follow [`/ketchup`](../ketchup/SKILL.md), but show what happened in a short subtitled video instead of its summary and visuals. Its window starts at the last message the user wrote before `/ketchup-video`, not before any earlier `/ketchup`. Writing and rendering the video, outside the repo, is the one exception to its read-only rule. The reply is ketchup's opening sentence, the embedded video, one line naming any work left that you can do yourself, and the action items. When the video shows a call's options, call each option by the name the video gives it. If the render fails, say so in one line and give only the calls.
## Slides
Use the screenshots, recordings, diffs, and data the work produced, not the chat's prose about them. Before you draw, write the one sentence the user should leave with and one line per slide. Drop each slide that does not change what the user knows. Use at most 10 slides, and fewer is better. Neither note goes in the reply.
…
The line at the top of this page pins the label git:20261028.396c27e, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the 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 (3887 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
backnotprop/pstack · 3,337 stars · license MIT · pushed 2026-10-28 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_pwghvd6nsnlfwdsk
GET https://markdownregistry.com/api/v1/resolve?ref=backnotprop/pstack/ketchup-video
GET https://markdownregistry.com/api/v1/blob/027aed9a01adf208aeac3a134f47d12f7c1e42d6fea03095aedc2bae58cdcfd1
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
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backnotprop/pstack · skills/blast-radius/SKILL.md · Find what a change could break somewhere else before it ships, beyond the diff, and prove the one fact it's safe…
backnotprop/pstack · skills/correct/SKILL.md · Find the mistakes agents keep repeating in this repo and make each one impossible. Try architecture first, then types…
backnotprop/pstack · skills/create-formal-verification-skill/SKILL.md · Generate a project-local skill that formally verifies the code where a bug costs the most and tests reach the least, in…
backnotprop/pstack · skills/create-verification-skill/SKILL.md · Generate a project-local verification skill that drives your app the way a user does — any language, framework, or…
cursor/plugins · harness/pstack/claude-code/skills/ketchup-video/SKILL.md · Catch the user up like /ketchup, with a short subtitled video of slides for what happened and the waiting calls as text…
cursor/plugins · pstack/skills/ketchup-video/SKILL.md · Catch the user up like /ketchup, with a short subtitled video of slides for what happened and the waiting calls as text…
michael-denyer/pstack-claude · plugins/pstack/skills/ketchup-video/SKILL.md · Catch the user up like /ketchup, with a short subtitled video of slides for what happened and the waiting calls as text…
creedants/pstack-t3 · skills/ketchup-video/SKILL.md · Catch the user up like /ketchup, with a short subtitled video of slides for what happened and the waiting calls as text…
arjitj2/open-pstack · plugins/pstack/skills/ketchup-video/SKILL.md · Catch the user up like /ketchup, with a short subtitled video of slides for what happened and the waiting calls as text…
painhardcore/pstack · skills/ketchup-video/SKILL.md · Catch the user up like /ketchup, with a short subtitled video of slides for what happened and the waiting calls as text…
painhardcore/pstack · .opencode/skills/ketchup-video/SKILL.md · Catch the user up like /ketchup, with a short subtitled video of slides for what happened and the waiting calls as text…
