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Agent skill

Implement Spf Use Case

by videojs in videojs/video.js

Implement an SPF use-case composition. An agent skill from videojs/video.js.

Custom licenceAuto-check passed

Install Implement Spf Use Case

skills CLI
$ npx skills add videojs/video.js --skill implement-spf-use-case -a claude-code

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

GitHub CLI
$ gh skill install videojs/video.js implement-spf-use-case --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/videojs/video.js.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/implement-spf-use-case .claude/skills/implement-spf-use-case && 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
implement-spf-use-case
GitHub stars
40k
Token cost
~401 tokens
SKILL.md length
179 words
Files
2 (incl. references)
Skills in repo
38
Repo updated
First seen
Licence
Custom licence

At a glance

Implement an SPF use-case composition. An agent skill from videojs/video.js.

  • Works in 6 steps: Verify each required feature is… → Reconcile documented assumptions with… → Define the smallest observable… → …
  • A delivery scenario combines feature variants and requires composition
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Implement Spf Use Case is an agent skill from videojs/video.js. Implement an SPF use-case composition. Use when a delivery scenario combines feature variants and requires composition, tests, and status updates.

Its SKILL.md is about 400 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/workflow.md`).

The repository describes itself as: Video.js v10 - open source media player framework for HTML and React.

When your agent uses it

  • A delivery scenario combines feature variants and requires composition

Example prompts

  • “/implement-spf-use-case”

Workflow steps

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

  1. Verify each required feature is implemented for the requested scope; expose missing prerequisites instead of hiding them in wiring.
  2. Reconcile documented assumptions with code and identify material open decisions.
  3. Define the smallest observable composition increment and split it into independently testable prerequisite, behavior, composition…
  4. Implement each chunk test-first at the correct feature, behavior, composition, or adapter boundary.
  5. Run cumulative SPF tests, build, and size checks proportional to impact.
  6. Collapse the use-case record to composition decisions, remaining scope, source pointers, and directly affected relationships.

What it can do on your machine

Read from SKILL.md and the folder at commit 50f59a2. 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

Implement Spf Use Case loads about 401 tokens when it runs, and up to ~9.9k if it reads all its reference files. Until then it costs about 42 tokens; SKILL.md has 179 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~42
When it runs · the whole SKILL.md, loaded when a task matches
~401
With references · SKILL.md plus every file in references/, read only if the agent opens them
~9.9k

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 179 words (~401 tokens).

“Read references/workflow.md completely before acting; it contains the detailed composition, prerequisite, implementation, testing, and cascade workflow.”

— opening of SKILL.md by videojs, Custom licence
name
implement-spf-use-case

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (references) in .agents/skills/implement-spf-use-case of videojs/video.js.

  • SKILL.md
  • references/workflow.md

Open the folder on GitHubat commit 50f59a2

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders. This page covers the copy in videojs/video.js, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Implement Spf Use Case 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.

Implement Spf Use Case compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Implement Spf Use Case this skillvideojs/video.js40k—~401Automated safety check: PassCustom licence
Implementing Siem Use Cases For Detectionmukul975/Anthropic-Cybersecurity-Skills34k—~2.8kAutomated safety check: PassApache-2.0
Implementing Dmarc Dkim Spf Email Securitymukul975/Anthropic-Cybersecurity-Skills34k—~1.1kAutomated safety check: PassApache-2.0
Implementsickn33/agentic-awesome-skills47k5 repos~306Automated safety check: PassMIT
Implementing Siem Use Case Tuningmukul975/Anthropic-Cybersecurity-Skills34k—~657Automated safety check: PassApache-2.0
Implementcodewhale-hq/Codewhale41k—~190Automated safety check: PassMIT

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Questions about Implement Spf Use Case

What does Implement Spf Use Case do?

Implement an SPF use-case composition. An agent skill from videojs/video.js. js. Implement an SPF use-case composition.

When should I use Implement Spf Use Case?

Implement Spf Use Case fits situations like: A delivery scenario combines feature variants and requires composition.

How do I install Implement Spf Use Case in Claude Code?

Run `npx skills add videojs/video.js --skill implement-spf-use-case -a claude-code`. Or copy the skill folder (.agents/skills/implement-spf-use-case in videojs/video.js) into .claude/skills/implement-spf-use-case in your project. Claude Code loads it when a task matches its description.

How do I install Implement Spf Use Case in Codex?

Run `npx skills add videojs/video.js --skill implement-spf-use-case -a codex`. Or copy the skill folder (.agents/skills/implement-spf-use-case in videojs/video.js) into .agents/skills/implement-spf-use-case in your project. Codex loads it when a task matches its description.

Can I use Implement Spf Use Case 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 videojs/video.js --skill implement-spf-use-case -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/implement-spf-use-case, .gemini/skills/implement-spf-use-case, .github/skills/implement-spf-use-case and .opencode/skills/implement-spf-use-case in your project.

What does Implement Spf Use Case need to run?

SKILL.md names no scripts, command-line tools or credentials: Implement Spf Use Case is instructions for the agent only.

Does Implement Spf Use Case 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 Implement Spf Use Case 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 Implement Spf Use Case use?

Implement Spf Use Case 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 Implement Spf Use Case use?

About 401 tokens (SKILL.md is roughly 1.6k 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 9.5k tokens, read only when the agent opens those files.

What are the alternatives to Implement Spf Use Case?

Skills that share tags, products or a category with Implement Spf Use Case: Implementing Siem Use Cases For Detection (mukul975/Anthropic-Cybersecurity-Skills, 34k stars), Implementing Dmarc Dkim Spf Email Security (mukul975/Anthropic-Cybersecurity-Skills, 34k stars), Implement (sickn33/agentic-awesome-skills, 47k stars) and Implementing Siem Use Case Tuning (mukul975/Anthropic-Cybersecurity-Skills, 34k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Implement Spf Use Case?

videojs (a GitHub organization) maintains it in videojs/video.js, which has 39,909 GitHub stars. The repository holds 38 skills in this directory. The repository was last updated on October 7, 2026.

Source: videojs/video.js on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.