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Agent skill

Fal Prompting

by fal-ai-community in fal-ai-community/skills

Model-family-specific prompt craft for fal.ai endpoints. An agent skill from fal-ai-community/skills.

No licenceAuto-check passedMedia & Creative

Install Fal Prompting

skills CLI
$ npx skills add fal-ai-community/skills --skill fal-prompting -a claude-code

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

GitHub CLI
$ gh skill install fal-ai-community/skills fal-prompting --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/fal-ai-community/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/fal-prompting .claude/skills/fal-prompting && 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
fal-prompting
GitHub stars
251
Token cost
~688 tokens
SKILL.md length
221 words
Files
4 (incl. references)
Skills in repo
16
Repo updated
First seen
Licence
None found

At a glance

Model-family-specific prompt craft for fal.ai endpoints. An agent skill from fal-ai-community/skills.

  • Works in 5 steps: Visual facts beat prestige adjectives.… → Style tags need visual targets.… → One controlled variable per iteration.… → …
  • The user mentions a specific model family by name and asks how to prompt it (how do I prompt Kling
  • SKILL.md covers When to load which reference, Universal principles (all… and Catalog cross-reference
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Fal Prompting is an agent skill from fal-ai-community/skills. Model-family-specific prompt craft for fal.ai endpoints. Trigger when the user mentions a specific model family by name and asks how to prompt it ("how do I prompt Kling", "GPT Image 2 prompt structure", "Happy Horse tips"), or when prompts to a routed endpoint keep coming back generic and the family's known nuances should be applied. For endpoint selection ("which model for X"), use fal-models-catalog instead. This skill is about how to talk to a model once it has been chosen.

Its SKILL.md is about 690 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `references/gpt-image-2.md`, `references/happy-horse.md` and `references/kling.md`).

It sits in Media & Creative, covering AI video generation and Image generation. It works with fal.

When your agent uses it

  • The user mentions a specific model family by name and asks how to prompt it (how do I prompt Kling
  • GPT Image 2 prompt structure
  • Happy Horse tips)
  • Prompts to a routed endpoint keep coming back generic and the familys known nuances should be applied

Example prompts

  • “how do I prompt Kling”
  • “GPT Image 2 prompt structure”
  • “Happy Horse tips”
  • “/fal-prompting”

Workflow steps

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

  1. Visual facts beat prestige adjectives. Replace "stunning, cinematic, masterpiece" with "overcast daylight, brushed aluminum, 50mm feel."
  2. Style tags need visual targets. "Minimalist brutalist" → "cream background, heavy black sans serif, asymmetrical type block, generous…
  3. One controlled variable per iteration. Comparison only works when one axis changes at a time.
  4. Inspect schema before assuming a control exists. genmedia schema --json. Negative prompt, seed, multi-prompt, and reference-image fields…
  5. Per-family rules override universal advice. Happy Horse rejects what GPT Image 2 rewards.

What it can do on your machine

Read from SKILL.md and the folder at commit 9ca8504. 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

    Links to these hosts (documentation or services it may open):

    • github.com

    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

Fal Prompting loads about 688 tokens when it runs, and up to ~4.5k if it reads all its reference files. Until then it costs about 125 tokens; SKILL.md has 221 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~125
When it runs · the whole SKILL.md, loaded when a task matches
~688
With references · SKILL.md plus every file in references/, read only if the agent opens them
~4.5k

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

Without a licence we can't republish the file, so here is its outline and opening line. It has 221 words (~688 tokens).

“Model families have meaningful prompting nuances. A prompt that works on GPT Image 2 (long, structured, exact text in quotes) will fail on Happy Horse (which wants ~20 plain-English words). This skill collects family-specific guides.”

— opening of SKILL.md by fal-ai-community
name
fal-prompting

Read the full SKILL.md on GitHub

Files

SKILL.md and 3 other files (references) in skills/fal-prompting of fal-ai-community/skills.

  • SKILL.md
  • references/gpt-image-2.md
  • references/happy-horse.md
  • references/kling.md

Open the folder on GitHubat commit 9ca8504

Compare with similar skills

Fal Prompting 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.

Fal Prompting compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Fal Prompting this skillfal-ai-community/skills251—~688Automated safety check: PassNone
Fal Kling O3nexu-io/open-design100k—~275Automated safety check: PassApache-2.0
Forge Media Route Layer0x0funky/agent-sprite-forge4.4k—~2.2kAutomated safety check: PassMIT
Fal AI Mediaaffaan-m/ECC277k4 repos~1.9kAutomated safety check: PassMIT
Fal AI Mediaaffaan-m/ECC277k2 repos~1.2kAutomated safety check: PassMIT
Fal AI Mediaaffaan-m/ECC276k—~1.4kAutomated safety check: PassMIT

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Works with

Categories

Questions about Fal Prompting

What does Fal Prompting do?

Model-family-specific prompt craft for fal.ai endpoints. An agent skill from fal-ai-community/skills. Fal Prompting is an agent skill from fal-ai-community/skills.ai endpoints.

When should I use Fal Prompting?

Fal Prompting fits situations like: the user mentions a specific model family by name and asks how to prompt it (how do I prompt Kling; GPT Image 2 prompt structure; happy Horse tips); prompts to a routed endpoint keep coming back generic and the familys known nuances should be applied.

How do I install Fal Prompting in Claude Code?

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

How do I install Fal Prompting in Codex?

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

Can I use Fal Prompting 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 fal-ai-community/skills --skill fal-prompting -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/fal-prompting, .gemini/skills/fal-prompting, .github/skills/fal-prompting and .opencode/skills/fal-prompting in your project.

What does Fal Prompting need to run?

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

Does Fal Prompting access the network?

SKILL.md names 1 domain. As links in the text: github.com. This is read from the text; nothing was executed.

Is Fal Prompting 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 Fal Prompting use?

No licence was found for Fal Prompting or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Fal Prompting use?

About 688 tokens (SKILL.md is roughly 2.8k 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 3.8k tokens, read only when the agent opens those files.

What are the alternatives to Fal Prompting?

Skills that share tags, products or a category with Fal Prompting: Fal Kling O3 (nexu-io/open-design, 100k stars), Forge Media Route Layer (0x0funky/agent-sprite-forge, 4.4k stars), Fal AI Media (affaan-m/ECC, 277k stars) and Fal AI Media (affaan-m/ECC, 277k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fal Prompting?

fal-ai-community (a GitHub organization) maintains it in fal-ai-community/skills, which has 251 GitHub stars. The repository holds 16 skills in this directory. The repository was last updated on September 29, 2026.

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