social-post SKILL.md skillA
social-post from shimo4228/claude-harness is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add shimo4228/claude-harness/social-post@git:20261018.9c2cf31Pins git:20261018.9c2cf31 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- shimo4228/claude-harness
- Path
skills/social-post/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261018.9c2cf31, committed Oct 18, 2026
- Size
- 6,789 bytes
- Repository stars
- 3
- License
- MIT
Write X, Bluesky and Substack Notes posts and save them as Buffer drafts: an announcement of a newly published article, or a fragment the author wrote. Use when announcing an article (告知して) or sending a fragment to Buffer (Buffer に入れて). For a long X post from a daily-research report, use x-draft.
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
# social-post — X / Bluesky / Substack Notes の投稿を Buffer の下書きにする 著者の投稿を、面ごとの制約に合わせて Buffer の下書き（draft）として入れる。予約と公開は 著者が Buffer の画面で行う。入力は 2 種類: - **告知** — 公開した記事 1 本から、面ごとの告知文を書く - **断片** — 著者が書いた短文を、そのまま各面に載せられる形にする ## 面の制約（as-of 2026-10-12） | 面 | 長さ | リンク | その他 | |---|---|---|---| | X | 上限は手順 1 で読む channel 設定の値。本アカウントは Premium で 25,000（2026-10-12）。無料の上限は重み付き 280（日本語 1 字 = 2、URL は 23）。長文は feed で冒頭だけ見え、続きは畳まれる | 本文に置く | ハッシュタグとメディア種別に順位の加点は無い（公開コード） | | Bluesky | 300 grapheme（URL も数える）かつ 3,000 byte。channel 設定の値も 300 | `metadata.bluesky.linkAttachment` でカードを付ける。カードは投稿側が作る | 画像は 4 枚まで、alt 必須 | | Substack | Buffer から出るのは Notes だけ。上限 10,000 字 | `metadata.substack.linkAttachment`。カードは Substack が記事の OGP から作る | 添付は画像 6 枚・動画 1・リンク 1 のどれか 1 種。@ と # はリンクにならない | - X のリンク位置: X の幹部が 2026-07 に「返信にリンクを置く必要はもうない」と発言した（二次報道）。小規模アカウントでどちらが効くかの実測は無い - **X は LLM が書いたと判定された利用者に `llm_slop_user` ラベルを付け、30 日間フォロワー外へ配信しない**（公開コード）。判定方法は非公開。重複文の検知は日本語でも文字単位で動く - Substack は 2026-07 から投稿に AI 生成の検出表示を出す。Notes が対象かは未確認 - 面ごとに書き分けると反応が増える、という実測は無い。書き分けは制約への適合と、面の文化への合わせ方（意見）として扱う ## 手順 ### 1. Buffer の現況を読む `get_account`（organizationId とタイムゾーン）、`list_channels`（面と channelId）を読む。 …
Read the whole file at its exact version.
How to install
mdr add shimo4228/claude-harness/social-post@sha256:ff8e89eda5e9ca84The line at the top of this page pins the label git:20261018.9c2cf31, 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.
[](https://markdownregistry.com/a/art_ll3ogj7ojl3nnb7w)
1 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Oct 18, 2026.
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 (6789 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
shimo4228/claude-harness · 3 stars · license MIT · pushed 2026-10-18 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ll3ogj7ojl3nnb7w GET https://markdownregistry.com/api/v1/resolve?ref=shimo4228/claude-harness/social-post GET https://markdownregistry.com/api/v1/blob/ff8e89eda5e9ca845147c3f624ef11793077a342b573884c28f222a3cc622cec
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.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
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