Vercel Composition Patterns
supabase/supabase
React composition patterns that scale. An agent skill from supabase/supabase.
A skill your agent uses when making code or documentation changes in this repository.
Install Sptth Dev
$ npx skills add Jxck/sptth --skill sptth-dev -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install Jxck/sptth sptth-dev --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/Jxck/sptth.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/sptth-dev .claude/skills/sptth-dev && rm -rf skills-srcUse ~/.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/
Install the "sptth-dev" agent skill from https://github.com/Jxck/sptth/tree/main/skills/sptth-dev into .claude/skills/sptth-dev/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sptth-dev", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/Jxck/sptth/tree/main/skills/sptth-devType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add Jxck/sptth --skill sptth-dev -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install Jxck/sptth sptth-dev --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Jxck/sptth.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/sptth-dev .agents/skills/sptth-dev && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "sptth-dev" agent skill from https://github.com/Jxck/sptth/tree/main/skills/sptth-dev into .agents/skills/sptth-dev/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sptth-dev", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Jxck/sptth --skill sptth-dev -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install Jxck/sptth sptth-dev --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Jxck/sptth.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/sptth-dev .cursor/skills/sptth-dev && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "sptth-dev" agent skill from https://github.com/Jxck/sptth/tree/main/skills/sptth-dev into .cursor/skills/sptth-dev/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sptth-dev", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/Jxck/sptth.git --path skills/sptth-dev--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add Jxck/sptth --skill sptth-dev -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install Jxck/sptth sptth-dev --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Jxck/sptth.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/sptth-dev .gemini/skills/sptth-dev && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "sptth-dev" agent skill from https://github.com/Jxck/sptth/tree/main/skills/sptth-dev into .gemini/skills/sptth-dev/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sptth-dev", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install Jxck/sptth sptth-devInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add Jxck/sptth --skill sptth-dev -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/Jxck/sptth.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/sptth-dev .github/skills/sptth-dev && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "sptth-dev" agent skill from https://github.com/Jxck/sptth/tree/main/skills/sptth-dev into .github/skills/sptth-dev/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sptth-dev", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Jxck/sptth --skill sptth-dev -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install Jxck/sptth sptth-dev --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Jxck/sptth.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/sptth-dev .opencode/skills/sptth-dev && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "sptth-dev" agent skill from https://github.com/Jxck/sptth/tree/main/skills/sptth-dev into .opencode/skills/sptth-dev/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sptth-dev", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
sptth-dev- GitHub stars
- 133
- Token cost
- ~280 tokens
- SKILL.md length
- 105 words
- Files
- 1
- Skills in repo
- 6
- Repo updated
- First seen
- Licence
- MIT
At a glance
A skill your agent uses when making code or documentation changes in this repository.
- Works in 5 steps: Read context quickly → Implement minimal, focused changes. → Run required checks → …
- Documentation changes in this repository
- SKILL.md covers Intent, Steps, Commands and Guardrails
- Calls cargo
What it does
Sptth Dev is an agent skill from Jxck/sptth. Use when making code or documentation changes in this repository. Provides consistent workflow and validation steps.
Its SKILL.md is about 280 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Development. The repository describes itself as: reverse https proxy (https <- sptth) for local development. The licence is MIT.
When your agent uses it
- Documentation changes in this repository
Example prompts
- “/sptth-dev”
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- Read context quickly
- Implement minimal, focused changes.
- Run required checks
- Update docs when behavior/options changed.
- Prepare commit message using the project template.
What it can do on your machine
Read from SKILL.md and the folder at commit cd865e2. 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
Shell commands in SKILL.md call:
cargo
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
Sptth Dev loads about 280 tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 105 words of instructions outside code blocks.
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
The full file from Jxck/sptth at commit cd865e2, republished under its MIT licence (© Jxck). 105 words, ~280 tokens.
Download SKILL.mdSave it as
.claude/skills/sptth-dev/SKILL.md (or your agent's skills folder).- name
- sptth-dev
- description
- Use when making code or documentation changes in this repository. Provides consistent workflow and validation steps.
sptth-dev Skill
Use this skill when making code/documentation changes in this repository.
Intent
Provide a consistent, low-risk workflow for implementing and validating changes in sptth.
Steps
- Read context quickly:
README.mddocs/commit-message.md- relevant files under
src/
- Implement minimal, focused changes.
- Run required checks:
cargo run -p xtask -- fmt-checkcargo test -qcargo check --workspace
- Update docs when behavior/options changed.
- Prepare commit message using the project template.
Commands
cargo run -p xtask -- setup
cargo run -p xtask -- fmt
cargo run -p xtask -- fmt-check
cargo test -q
cargo check --workspaceGuardrails
- Do not commit unrelated diffs.
- Do not disable security checks silently.
- Keep DNS/Proxy/TLS changes covered by at least one test update when practical.
- Preserve local-only assumptions in docs (not for public edge deployment).
© Jxck, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in skills/sptth-dev of Jxck/sptth.
Open the folder on GitHubat commit cd865e2
Compare with similar skills
Sptth Dev 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Sptth Dev this skillJxck/sptth | 133 | — | ~280 | Automated safety check: Pass | MIT | |
| Vercel Composition Patternssupabase/supabase | 111k | 59 repos | ~726 | Automated safety check: Pass | MIT | |
| Finishing a Development Branchobra/superpowers | 296k | 5 repos | ~1.9k | Automated safety check: Pass | MIT | |
| Typescript Advanced Typesrolling-scopes/rsschool-app | 10k | 25 repos | ~4.2k | Automated safety check: Pass | MPL-2.0 | |
| PR Babysitteropeninterpreter/openinterpreter | 69k | 3 repos | ~4.2k | Automated safety check: Pass | Apache-2.0 | |
| Code Review ChecklistshareAI-lab/learn-claude-code | 78k | 5 repos | ~1.1k | Automated safety check: Pass | MIT |
Similar skills
- Official
Finishing a Development Branch
obra/superpowers
Walks the last step of a branch: confirm tests pass, detect the git environment, ask how to integrate, carry out your choice and clean up the worktree.
Typescript Advanced Types
rolling-scopes/rsschool-app
Master TypeScript's advanced type system including generics, conditional types, mapped types, template literals, and utility types for building type-safe applications.
PR Babysitter
openinterpreter/openinterpreter
Watches an open GitHub pull request until it merges, handling review comments, diagnosing CI failures and retrying flaky checks along the way.
Code Review Checklist
shareAI-lab/learn-claude-code
Reviews code against a five-part checklist covering security, correctness, performance, maintainability and testing, and reports findings in a fixed format.
Greploop
onyx-dot-app/onyx
Iteratively improves a PR (GitHub), MR (GitLab), or shelved changelist (Perforce) until Greptile gives it a 5/5 confidence score with zero unresolved comments.
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Update Version
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Update project versions and release tag in one consistent flow (Cargo.toml, xtask, docs, and git tag).
Rust Error Handling
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A skill your agent uses when changing Rust code paths that return errors or log failures.
Rust Security Checklist
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Use before merging security-relevant Rust changes. An agent skill from Jxck/sptth.
Health Check
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Related
Categories
Questions about Sptth Dev
What does Sptth Dev do?
A skill your agent uses when making code or documentation changes in this repository. Sptth Dev is an agent skill from Jxck/sptth. Use when making code or documentation changes in this repository.
When should I use Sptth Dev?
Sptth Dev fits situations like: documentation changes in this repository.
How do I install Sptth Dev in Claude Code?
Run `npx skills add Jxck/sptth --skill sptth-dev -a claude-code`. Or copy the skill folder (skills/sptth-dev in Jxck/sptth) into .claude/skills/sptth-dev in your project. Claude Code loads it when a task matches its description.
How do I install Sptth Dev in Codex?
Run `npx skills add Jxck/sptth --skill sptth-dev -a codex`. Or copy the skill folder (skills/sptth-dev in Jxck/sptth) into .agents/skills/sptth-dev in your project. Codex loads it when a task matches its description.
Can I use Sptth Dev 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 Jxck/sptth --skill sptth-dev -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/sptth-dev, .gemini/skills/sptth-dev, .github/skills/sptth-dev and .opencode/skills/sptth-dev in your project.
What does Sptth Dev need to run?
Going by SKILL.md and its folder, Sptth Dev needs the command-line tools its instructions call (cargo).
Does Sptth Dev 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 Sptth Dev 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 Sptth Dev use?
Sptth Dev is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Sptth Dev use?
About 280 tokens (SKILL.md is roughly 1.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Sptth Dev?
Skills that share tags, products or a category with Sptth Dev: Vercel Composition Patterns (supabase/supabase, 111k stars), Finishing a Development Branch (obra/superpowers, 296k stars), Typescript Advanced Types (rolling-scopes/rsschool-app, 10k stars) and PR Babysitter (openinterpreter/openinterpreter, 69k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Sptth Dev?
Jxck (a GitHub user) maintains it in Jxck/sptth, which has 133 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on February 25, 2026.
Source: Jxck/sptth on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.