x-writer skillA
x-writer is agent-read markdown (skill) from travsteward/openwriter: Writing format, image generation, and pipeline for X (Twitter) content. Paragraph-based medium form, Fischerian Hooks, anti-performance writing. Progressive disclosure: article format scoring, thread/article images, comic strip generation, full brainstorm→polish→schedule pipeline. Built for use with OpenWriter. Use when: "/x-writer", "write for x", "x post format", "write this tweet", "format this post", "how should I write this", "format article", "evaluate article", "optimize article", "artic.
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 travsteward/openwriter/x-writer@v0.2.1mdr add travsteward/openwriter/x-writer@sha256:6c841f57ff40b859Pin 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_r7doj5jpqaykaneg)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v0.2.1 latest | 2026-05-25 | 5c58cb0 | 9,252 B | A | view · diff |
| v0.1.0 | 2026-05-23 | eaa2510 | 9,082 B | A | view |
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 (9252 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
travsteward/openwriter · 30 stars · license MIT · pushed 2026-09-08 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_r7doj5jpqaykaneg GET https://markdownregistry.com/api/v1/resolve?ref=travsteward/openwriter/x-writer GET https://markdownregistry.com/api/v1/blob/6c841f57ff40b859c9f3a6dedb2d11c385f26f4e053f32e9ba4f128db04eacf4
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.