slack-gif-creator skillA
slack-gif-creator is agent-read markdown (skill) from davepoon/buildwithclaude: Toolkit for creating animated GIFs optimized for Slack, with validators for size constraints and composable animation primitives. This skill applies when users request animated GIFs or emoji animations for Slack from descriptions like "make me a GIF for Slack of X doing Y"..
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
mdr add davepoon/buildwithclaude/slack-gif-creator@git:20260104.903b22fmdr add davepoon/buildwithclaude/slack-gif-creator@sha256:4bdf07d22b49f56cPin 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.
[](https://markdownregistry.com/a/art_5sauawlqxcmdtd5m)
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Versions
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (17175 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
davepoon/buildwithclaude · 3,477 stars · license MIT · pushed 2026-09-17 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_5sauawlqxcmdtd5m GET https://markdownregistry.com/api/v1/resolve?ref=davepoon/buildwithclaude/slack-gif-creator GET https://markdownregistry.com/api/v1/blob/4bdf07d22b49f56c3ee7c75158761d1476cd0583bd143280172f309158bbb17a
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.