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Agent skill

Kortix Social

by kortix-ai in kortix-ai/suna

Recipe: write platform-native social content for Kortix (LinkedIn posts, X threads, carousels, Instagram, TikTok, Reels and Shorts video scripts, content calendars) and repurpose one long-form piece…

Custom licenceAuto-check passedWriting & Content

Install Kortix Social

skills CLI
$ npx skills add kortix-ai/suna --skill kortix-social -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install kortix-ai/suna kortix-social --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/kortix-ai/suna.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/kortix-social .claude/skills/kortix-social && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
kortix-social
GitHub stars
20k
Token cost
~1.8k tokens
SKILL.md length
840 words
Files
5 (incl. references)
Skills in repo
19
Repo updated
First seen
Licence
Custom licence

At a glance

Recipe: write platform-native social content for Kortix (LinkedIn posts, X threads, carousels, Instagram, TikTok, Reels and Shorts video scripts, content calendars) and repurpose one long-form piece…

  • Works in 4 steps: Voice and vocabulary. voice-and-tone.md,… → Positioning and audience.… → Claims. claims.md. A post makes only a… → …
  • The user asks for a LinkedIn post
  • SKILL.md covers Before writing, Routing, Platform quick reference and Create, plus 6 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Kortix Social is an agent skill from kortix-ai/suna. Recipe: write platform-native social content for Kortix (LinkedIn posts, X threads, carousels, Instagram, TikTok, Reels and Shorts video scripts, content calendars) and repurpose one long-form piece into many. Load kortix-brand first for voice, positioning and claims. This skill covers platform mechanics: limits, hooks, cadence, repurposing. Use when the user asks for a LinkedIn post, Twitter or X thread, carousel, social calendar, "what should I post", "repurpose this", a video hook, a reel or short-form video.

Its SKILL.md is about 1.8k tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including reference files (for example `evals/evals.json`, `references/platform-limits.md` and `references/post-templates.md`).

It sits in Writing & Content, covering Social media posts, Video scripts and shorts and Content repurposing. It works with TikTok, Instagram, LinkedIn and X (Twitter). The repository describes itself as: The open-source AI Operating System.

When your agent uses it

  • The user asks for a LinkedIn post
  • Social calendar
  • What should I post
  • Short-form video

Example prompts

  • “what should I post”
  • “repurpose this”
  • “/kortix-social”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Voice and vocabulary. voice-and-tone.md, section 5.9 (Social), and the don't-say list.
  2. Positioning and audience. positioning.md: the approved lines and the pitch for the audience.
  3. Claims. claims.md. A post makes only a sanctioned claim. Never name a customer.
  4. Visuals. For carousels, quote graphics, thumbnails or video covers, hand the brief to kortix-image. Do not describe pixels here.

What it can do on your machine

Read from SKILL.md and the folder at commit 4d2a7e9. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Kortix Social loads about 1.8k tokens when it runs, and up to ~3.3k if it reads all its reference files. Until then it costs about 133 tokens; SKILL.md has 840 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~133
When it runs · the whole SKILL.md, loaded when a task matches
~1.8k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 840 words (~1,780 tokens).

“Turn product context into platform-native content, and turn one piece of content into many. This skill writes the posts and the scripts. It hands visual production to kortix-image.”

— opening of SKILL.md by kortix-ai, Custom licence
name
kortix-social

Read the full SKILL.md on GitHub

Files

SKILL.md and 4 other files (references) in .agents/skills/kortix-social of kortix-ai/suna.

  • SKILL.md
  • evals/evals.json
  • references/platform-limits.md
  • references/post-templates.md
  • references/short-form-video.md

Open the folder on GitHubat commit 4d2a7e9

Compare with similar skills

Kortix Social next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Kortix Social compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Kortix Social this skillkortix-ai/suna20k—~1.8kAutomated safety check: PassCustom licence
Socialcoreyhaines31/marketingskills54k4 repos~4.5kAutomated safety check: PassMIT
Social Contentfreekmurze/dotfiles1k23 repos~2.1kAutomated safety check: PassNone
Outlier Post FinderScrapeCreators/social-media-research-skills3.4k—~1.5kAutomated safety check: NotesMIT
Social Media Managementmanojbajaj95/claude-gtm-plugin1051 repos~3.9kAutomated safety check: PassMIT
Blog RepurposeAgriciDaniel/claude-blog2.3k—~3kAutomated safety check: PassMIT

Similar skills

  • Social

    coreyhaines31/marketingskills

    When the user wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, or Facebook, or wants to do social listening and engagement triage.

    54k GitHub starsUsed in 4 repos~4.5k tokens
    Writing & ContentAuto-check passed

  • Social Content

    freekmurze/dotfiles

    When the user wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, Facebook, or other platforms.

    1k GitHub starsUsed in 23 repos~2.1k tokens
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  • Outlier Post Finder

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    A skill your agent uses when the user wants to find posts, videos, reels, shorts, tweets, or social content that overperformed versus a creator, brand, or competitor baseline.

    3.4k GitHub stars~1.5k tokensUpdated 1 mo ago
    Writing & ContentAuto-check: notes

  • Social Media Management

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    105 GitHub starsUsed in 1 repo~3.9k tokens
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  • Blog Repurpose

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    2.3k GitHub stars~3k tokensUpdated 2 days ago
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  • Content Repurposer Sms

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    560 GitHub stars~3.7k tokensUpdated 5 mo ago
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  • Contributing

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    The pull request loop for this repo: branch → commit → verify in your own box (local tests + local stack) → PR into main → demo video recorded with agent-browser on the local stack → gh --attach →…

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  • Learnings

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Works with

Categories

Questions about Kortix Social

What does Kortix Social do?

Recipe: write platform-native social content for Kortix (LinkedIn posts, X threads, carousels, Instagram, TikTok, Reels and Shorts video scripts, content calendars) and repurpose one long-form piece…. Kortix Social is an agent skill from kortix-ai/suna. Recipe: write platform-native social content for Kortix (LinkedIn posts, X threads, carousels, Instagram, TikTok, Reels and Shorts video scripts, content calendars) and repurpose one long-form piece into many.

When should I use Kortix Social?

Kortix Social fits situations like: the user asks for a LinkedIn post; social calendar; what should I post; short-form video.

How do I install Kortix Social in Claude Code?

Run `npx skills add kortix-ai/suna --skill kortix-social -a claude-code`. Or copy the skill folder (.agents/skills/kortix-social in kortix-ai/suna) into .claude/skills/kortix-social in your project. Claude Code loads it when a task matches its description.

How do I install Kortix Social in Codex?

Run `npx skills add kortix-ai/suna --skill kortix-social -a codex`. Or copy the skill folder (.agents/skills/kortix-social in kortix-ai/suna) into .agents/skills/kortix-social in your project. Codex loads it when a task matches its description.

Can I use Kortix Social in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add kortix-ai/suna --skill kortix-social -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/kortix-social, .gemini/skills/kortix-social, .github/skills/kortix-social and .opencode/skills/kortix-social in your project.

What does Kortix Social need to run?

SKILL.md names no scripts, command-line tools or credentials: Kortix Social is instructions for the agent only.

Does Kortix Social access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Kortix Social safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Kortix Social use?

Kortix Social has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Kortix Social use?

About 1.8k tokens (SKILL.md is roughly 7.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.5k tokens, read only when the agent opens those files.

What are the alternatives to Kortix Social?

Skills that share tags, products or a category with Kortix Social: Social (coreyhaines31/marketingskills, 54k stars), Social Content (freekmurze/dotfiles, 1k stars), Outlier Post Finder (ScrapeCreators/social-media-research-skills, 3.4k stars) and Social Media Management (manojbajaj95/claude-gtm-plugin, 105 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Kortix Social?

kortix-ai (a GitHub organization) maintains it in kortix-ai/suna, which has 20,263 GitHub stars. The repository holds 19 skills in this directory. The repository was last updated on October 11, 2026.

Source: kortix-ai/suna on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.