Stripe Projects
fossasia/eventyay
A skill your agent uses when the user wants to provision infrastructure or third-party services using Stripe Projects.
Email has the highest ROI of any marketing channel. An agent skill from aiskillstore/marketplace.
Install Email Systems
$ npx skills add aiskillstore/marketplace --skill email-systems -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install aiskillstore/marketplace email-systems --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/aiskillstore/marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/sickn33/email-systems .claude/skills/email-systems && 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 "email-systems" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/email-systems into .claude/skills/email-systems/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "email-systems", 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/aiskillstore/marketplace/tree/main/skills/sickn33/email-systemsType 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 aiskillstore/marketplace --skill email-systems -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install aiskillstore/marketplace email-systems --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/sickn33/email-systems .agents/skills/email-systems && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "email-systems" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/email-systems into .agents/skills/email-systems/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "email-systems", 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 aiskillstore/marketplace --skill email-systems -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install aiskillstore/marketplace email-systems --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/sickn33/email-systems .cursor/skills/email-systems && 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 "email-systems" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/email-systems into .cursor/skills/email-systems/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "email-systems", 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/aiskillstore/marketplace.git --path skills/sickn33/email-systems--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 aiskillstore/marketplace --skill email-systems -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install aiskillstore/marketplace email-systems --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/sickn33/email-systems .gemini/skills/email-systems && 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 "email-systems" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/email-systems into .gemini/skills/email-systems/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "email-systems", 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 aiskillstore/marketplace email-systemsInstalls 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 aiskillstore/marketplace --skill email-systems -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/sickn33/email-systems .github/skills/email-systems && 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 "email-systems" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/email-systems into .github/skills/email-systems/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "email-systems", 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 aiskillstore/marketplace --skill email-systems -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install aiskillstore/marketplace email-systems --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/sickn33/email-systems .opencode/skills/email-systems && 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 "email-systems" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/email-systems into .opencode/skills/email-systems/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "email-systems", 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
email-systems- GitHub stars
- 430
- Used in
- 3 other repos
- Token cost
- ~4.6k tokens
- SKILL.md length
- 2,089 words
- Files
- 2
- Skills in repo
- 1,108
- Repo updated
- First seen
- Licence
- None found
At a glance
Email has the highest ROI of any marketing channel. An agent skill from aiskillstore/marketplace.
- Tasks that involve Transactional email
- SKILL.md covers Principles, Patterns, Sharp Edges and SPF (Sender Policy Framework), plus 4 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Email Systems is an agent skill from aiskillstore/marketplace. Email has the highest ROI of any marketing channel. $36 for every $1 spent. Yet most startups treat it as an afterthought - bulk blasts, no personalization, landing in spam folders.
Its SKILL.md is about 4.6k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `skill-report.json`).
It sits in Backend & APIs, covering Transactional email. The repository describes itself as: Security-audited skills for Claude, Codex & Claude Code. One-click install, quality verified.
When your agent uses it
- Tasks that involve Transactional email
Example prompts
- “/email-systems”
What it can do on your machine
Read from SKILL.md and the folder at commit ad8daf7. 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 (its code samples are typescript and html).
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
Email Systems loads about 4.6k tokens when it runs. Until then it costs about 49 tokens; SKILL.md has 2,089 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
Without a licence we can't republish the file, so here is its outline and opening line. It has 2,089 words (~4,595 tokens).
“Email has the highest ROI of any marketing channel. $36 for every $1 spent. Yet most startups treat it as an afterthought - bulk blasts, no personalization, landing in spam folders.”
- name
- email-systems
- risk
- none
- source
- vibeship-spawner-skills (Apache 2.0)
- date_added
- 2026-02-27
Files
SKILL.md and 1 other file in skills/sickn33/email-systems of aiskillstore/marketplace.
- SKILL.md
- skill-report.json
Open the folder on GitHubat commit ad8daf7
Used in 3 other repositories
We found 9 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 3 other GitHub owners. This page covers the copy in aiskillstore/marketplace, which our catalogue first saw on October 7, 2026.
- sickn33/agentic-awesome-skillsskills/email-systemsplugins/agentic-awesome-skills/skills/email-systems+1 more
- lingxling/awesome-skills-cnantigravity-awesome-skills/skills/email-systemsantigravity-awesome-skills/plugins/agentic-awesome-skills/skills/email-systems+1 more
- henryalouf/ruflow.agents/skills/email-systemssrc/antigravity-awesome-skills/plugins/antigravity-awesome-skills/skills/email-systems+1 more
Compare with similar skills
Email Systems 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 |
|---|---|---|---|---|---|---|
| Email Systems this skillaiskillstore/marketplace | 430 | 3 repos | ~4.6k | Automated safety check: Pass | None | |
| Stripe Projectsfossasia/eventyay | 1.7k | 5 repos | ~2k | Automated safety check: Notes | Apache-2.0 | |
| WooCommerce Email Editor Developmentwoocommerce/woocommerce | 11k | — | ~893 | Automated safety check: Pass | Custom licence | |
| Himalaya Email CLIPrismer-AI/PrismerCloud | 1.6k | 3 repos | ~2.3k | Automated safety check: Pass | MIT | |
| Email Best Practicesviclafouch/meme-studio | 110 | 7 repos | ~787 | Automated safety check: Pass | None | |
| React Emailviclafouch/meme-studio | 110 | 2 repos | ~3.6k | Automated safety check: Pass | MIT |
Similar skills
WooCommerce Email Editor Development
woocommerce/woocommerce
Sets up a local environment for the WooCommerce block email editor, with a watcher, Mailpit email capture and build and test commands for its PHP and JS packages.
Himalaya Email CLI
Prismer-AI/PrismerCloud
Operates a mailbox from the terminal with the external Himalaya CLI over IMAP, SMTP, Notmuch or Sendmail, separate from any built-in email gateway adapter.
Email Best Practices
viclafouch/meme-studio
A skill your agent uses when building email features, emails going to spam, high bounce rates, setting up SPF/DKIM/DMARC authentication, implementing email capture, ensuring compliance (CAN-SPAM…
React Email
viclafouch/meme-studio
A skill your agent uses when creating HTML email templates with React components - welcome emails, password resets, notifications, order confirmations, newsletters, or transactional emails.
Email Deliverability Audit
growthenginenowoslawski/coldoutboundskills
Diagnostic audit for a running cold email program. An agent skill from growthenginenowoslawski/coldoutboundskills.
More from aiskillstore/marketplace
All 1,108 skills in this repoCode Stats
aiskillstore/marketplace
Analyze codebase with tokei (fast line counts by language) and difft (semantic AST-aware diffs).
File Search
aiskillstore/marketplace
Modern file and content search using fd, ripgrep (rg), and fzf.
Data Processing
aiskillstore/marketplace
Process JSON with jq and YAML/TOML with yq. An agent skill from aiskillstore/marketplace.
Doc Scanner
aiskillstore/marketplace
Scans for project documentation files (AGENTS.md, CLAUDE.md, GEMINI.md, COPILOT.md, CURSOR.md, WARP.md, and 15+ other formats) and synthesizes guidance.
Find Replace
aiskillstore/marketplace
Modern find-and-replace using sd (simpler than sed) and batch replacement patterns.
Investigating Codebases
aiskillstore/marketplace
Automatically activated when user asks how something works, wants to understand unfamiliar code, needs to explore a new codebase, or asks questions like "where is X implemented?", "how does Y…
Related
Categories
Questions about Email Systems
What does Email Systems do?
Email has the highest ROI of any marketing channel. An agent skill from aiskillstore/marketplace. Email Systems is an agent skill from aiskillstore/marketplace. Email has the highest ROI of any marketing channel.
When should I use Email Systems?
Email Systems fits situations like: tasks that involve Transactional email.
How do I install Email Systems in Claude Code?
Run `npx skills add aiskillstore/marketplace --skill email-systems -a claude-code`. Or copy the skill folder (skills/sickn33/email-systems in aiskillstore/marketplace) into .claude/skills/email-systems in your project. Claude Code loads it when a task matches its description.
How do I install Email Systems in Codex?
Run `npx skills add aiskillstore/marketplace --skill email-systems -a codex`. Or copy the skill folder (skills/sickn33/email-systems in aiskillstore/marketplace) into .agents/skills/email-systems in your project. Codex loads it when a task matches its description.
Can I use Email Systems 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 aiskillstore/marketplace --skill email-systems -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/email-systems, .gemini/skills/email-systems, .github/skills/email-systems and .opencode/skills/email-systems in your project.
What does Email Systems need to run?
SKILL.md names no scripts, command-line tools or credentials: Email Systems is instructions for the agent only.
Does Email Systems 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 Email Systems 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 Email Systems use?
No licence was found for Email Systems or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Email Systems use?
About 4.6k tokens (SKILL.md is roughly 18k 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 Email Systems?
Skills that share tags, products or a category with Email Systems: Stripe Projects (fossasia/eventyay, 1.7k stars), WooCommerce Email Editor Development (woocommerce/woocommerce, 11k stars), Himalaya Email CLI (Prismer-AI/PrismerCloud, 1.6k stars) and Email Best Practices (viclafouch/meme-studio, 110 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Email Systems?
aiskillstore (a GitHub organization) maintains it in aiskillstore/marketplace, which has 430 GitHub stars. The repository holds 1,108 skills in this directory. The repository was last updated on October 7, 2026.
Source: aiskillstore/marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.