Cold Email Strategist
swan-gtm/gtm-skills
A skill your agent uses when writing or fixing cold email — first-touch and follow-up sequences, re-engagement, subject lines, personalization at scale, ATL/BTL messaging, copywriting frameworks…
Agent skill
Spam Word Checker
by growthenginenowoslawski in growthenginenowoslawski/coldoutboundskills
Always-on spam and deliverability guardrails for cold email copy.
Install Spam Word Checker
$ npx skills add growthenginenowoslawski/coldoutboundskills --skill spam-word-checker -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install growthenginenowoslawski/coldoutboundskills spam-word-checker --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/growthenginenowoslawski/coldoutboundskills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/spam-word-checker .claude/skills/spam-word-checker && 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 "spam-word-checker" agent skill from https://github.com/growthenginenowoslawski/coldoutboundskills/tree/main/skills/spam-word-checker into .claude/skills/spam-word-checker/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "spam-word-checker", 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/growthenginenowoslawski/coldoutboundskills/tree/main/skills/spam-word-checkerType 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 growthenginenowoslawski/coldoutboundskills --skill spam-word-checker -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install growthenginenowoslawski/coldoutboundskills spam-word-checker --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/growthenginenowoslawski/coldoutboundskills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/spam-word-checker .agents/skills/spam-word-checker && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "spam-word-checker" agent skill from https://github.com/growthenginenowoslawski/coldoutboundskills/tree/main/skills/spam-word-checker into .agents/skills/spam-word-checker/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "spam-word-checker", 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 growthenginenowoslawski/coldoutboundskills --skill spam-word-checker -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install growthenginenowoslawski/coldoutboundskills spam-word-checker --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/growthenginenowoslawski/coldoutboundskills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/spam-word-checker .cursor/skills/spam-word-checker && 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 "spam-word-checker" agent skill from https://github.com/growthenginenowoslawski/coldoutboundskills/tree/main/skills/spam-word-checker into .cursor/skills/spam-word-checker/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "spam-word-checker", 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/growthenginenowoslawski/coldoutboundskills.git --path skills/spam-word-checker--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 growthenginenowoslawski/coldoutboundskills --skill spam-word-checker -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install growthenginenowoslawski/coldoutboundskills spam-word-checker --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/growthenginenowoslawski/coldoutboundskills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/spam-word-checker .gemini/skills/spam-word-checker && 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 "spam-word-checker" agent skill from https://github.com/growthenginenowoslawski/coldoutboundskills/tree/main/skills/spam-word-checker into .gemini/skills/spam-word-checker/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "spam-word-checker", 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 growthenginenowoslawski/coldoutboundskills spam-word-checkerInstalls 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 growthenginenowoslawski/coldoutboundskills --skill spam-word-checker -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/growthenginenowoslawski/coldoutboundskills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/spam-word-checker .github/skills/spam-word-checker && 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 "spam-word-checker" agent skill from https://github.com/growthenginenowoslawski/coldoutboundskills/tree/main/skills/spam-word-checker into .github/skills/spam-word-checker/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "spam-word-checker", 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 growthenginenowoslawski/coldoutboundskills --skill spam-word-checker -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install growthenginenowoslawski/coldoutboundskills spam-word-checker --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/growthenginenowoslawski/coldoutboundskills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/spam-word-checker .opencode/skills/spam-word-checker && 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 "spam-word-checker" agent skill from https://github.com/growthenginenowoslawski/coldoutboundskills/tree/main/skills/spam-word-checker into .opencode/skills/spam-word-checker/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "spam-word-checker", 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
spam-word-checker- GitHub stars
- 753
- Token cost
- ~2.5k tokens
- SKILL.md length
- 1,240 words
- Files
- 1
- Skills in repo
- 49
- Repo updated
- First seen
- Licence
- MIT
At a glance
Always-on spam and deliverability guardrails for cold email copy.
- Works in 3 steps: Do not drop the company reference… → Rewrite the displayed name so the banned… → Priority: remove the token if the…
- Phrases like check this for spam
- SKILL.md covers When These Rules Apply, Banned Single Words, Banned Short Phrases and High-Risk Promotional /…, plus 10 more sections
- Calls just and make
What it does
Spam Word Checker is an agent skill from growthenginenowoslawski/coldoutboundskills. Always-on spam and deliverability guardrails for cold email copy. Apply these rules whenever writing, reviewing, or QA-ing subject lines, openers, follow-ups, CTAs, or any cold outreach copy. Trigger on phrases like "check this for spam", "spam word check", "deliverability review", "QA this copy", "flag banned words", "check subject line", "is this safe to send", "scan for spam triggers", or any time cold email copy is being generated or reviewed. Also trigger automatically as a background rule whenever the…
Its SKILL.md is about 2.5k 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 Sales & Support, covering Cold outreach, Transactional email and Copywriting. The repository describes itself as: Open-source Claude Code skills for cold email and outbound sales. Grade campaigns, export Prospeo searches, scrape Google Maps — all from Claude Code. The licence is MIT.
When your agent uses it
- Phrases like check this for spam
- Spam word check
- Deliverability review
- Flag banned words
Example prompts
- “check this for spam”
- “spam word check”
- “deliverability review”
- “/spam-word-checker”
Workflow steps
3 steps, taken from the first numbered list in SKILL.md.
- Do not drop the company reference entirely if the name is still needed
- Rewrite the displayed name so the banned token is removed from standalone form
- Priority: remove the token if the remaining name still reads clearly; only abbreviate or compress when needed
What it can do on your machine
Read from SKILL.md and the folder at commit 25c5d85. 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:
justmake
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
Spam Word Checker loads about 2.5k tokens when it runs. Until then it costs about 179 tokens; SKILL.md has 1,240 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 growthenginenowoslawski/coldoutboundskills at commit 25c5d85, republished under its MIT licence (© growthenginenowoslawski). 1,240 words, ~2,487 tokens.
Download SKILL.mdSave it as
.claude/skills/spam-word-checker/SKILL.md (or your agent's skills folder).- name
- spam-word-checker
- description
- Always-on spam and deliverability guardrails for cold email copy. Apply these rules whenever writing, reviewing, or QA-ing subject lines, openers, follow-ups, CTAs, or any cold outreach copy. Trigger on phrases like "check this for spam", "spam word check", "deliverability review", "QA this copy", "flag banned words", "check subject line", "is this safe to send", "scan for spam triggers", or any time cold email copy is being generated or reviewed. Also trigger automatically as a background rule whenever the campaign-copywriting or cold-email-copywriting skill is active -- these guardrails apply to EVERY piece of outbound copy generated, even if the user does not explicitly ask for a check.
Spam Word Checker
Always-on spam and deliverability rules. Apply to every subject line, opener, second line, follow-up, and CTA generated or reviewed.
When These Rules Apply
- Subject lines, openers, second lines, follow-ups, CTAs
- Any cold outreach copy being written or QA'd
- If a deliverability checker or review flags a word/phrase, treat it as banned going forward unless user explicitly approves an exception
- When in doubt, choose the lower-hype rewrite
Banned Single Words
Do not use any of the following standalone or as part of a compound word/phrase:
get, bank, credit, access, open, compare, problem, now, billing, deal, finance, financial, claims, insurance, mortgage, soon, new, performance, freedom, home, sales, medical, urgent, life, marketing, investment, diagnostics, friend, cash, invoice, extra, purchase
Nuance: Punctuation, hyphens, or splits do not make a banned token safe. Treat close variants as banned when the root token is still obvious:
cash-cycle→ stillcash→ bannedinvoice-line→ stillinvoice→ bannedextra-room→ stillextra→ bannedpurchase-cycle→ stillpurchase→ banned
Banned Short Phrases
off chance, one time, all good, following up here, last note from me here, great fit, bumping this once, just following up once, circle back, one more quick follow-up, keep this open, compare notes, compare notes live, appreciate the reply
High-Risk Promotional / Pressure Wording (Banned)
$$$, 50% off, 100% guaranteed, 100% free, 100% off, 100% satisfied, access now, act fast, act immediately, act now, action required, affordable deal, amazing, amazing deal, amazing offer, apply here, apply now, avoid bankruptcy, bargain, best bargain, best deal, best offer, best price, best rates, big profit, bonus, buy now, buy today, call now, can't live without, cash bonus, cash out, claim now, claim your discount, click, click below, click here, click this link, contact us immediately, deal ending soon, discount, don't delete, double your money, double your wealth, drastically reduced, earn, earn cash, earn extra income, earn money, easy income, exclusive deal, expires today, extra cash, extra income, fantastic, fantastic offer, fast cash, final call, for free, free access, free consultation, free gift, free membership, free money, free quote, free trial, full refund, get it now, get out of debt, get started now, giveaway, great news, guaranteed deposit, guaranteed results, hurry up, important information, immediately, increase revenue, increase sales, incredible deal, instant earnings, instant income, instant savings, investment advice, join millions, limited time, lowest price, make money, million dollars, money-back guarantee, must read, no catch, no cost, no obligation, no strings attached, once in a lifetime, only $, only available here, order now, order today, please read, price protection, profits, promise, pure profit, quote, risk-free, satisfaction guaranteed, save $, save big money, save up to, sign up free, special invitation, special offer, special promotion, supplies are limited, take action now, the best, this won't last, thousands, time limited, today, top urgent, trial, unbeatable offer, unbelievable, unlimited, urgent, what are you waiting for?, while supplies last, why pay more?, will not believe, winner announced, wonderful, you are a winner, you will not believe your eyes
Phishing-Style / Security-Warning Language (Banned)
access your account, account update, activate now, change password, click to verify, confirm your details, confidential information, data breach, download now, final notice, important update, immediate action required, install now, last warning, log in now, new login detected, password reset, payment details needed, phishing alert, security breach, security update, update account, verify identity, warning message
Irrelevant Blacklisted Categories (Never Appear in Copy)
100% natural, adult content, bet now, blackjack, casino bonus, cure for, diet pill, doctor recommended, fat burner, fast weight loss, free chips, free spins, gamble online, guaranteed weight loss, jackpot, lottery winner, medical breakthrough, miracle cure, natural remedy, no prescription needed, online betting, online casino, online pharmacy, pain relief, poker tournament, prescription drugs, reverse aging, risk-free bet, safe and effective, scientifically proven, secret formula, slots jackpot, spin to win, vip offer, weight loss, winning numbers, xxx
Formatting & Style Bans
- No em dashes
- No ALL CAPS
- No multiple exclamation marks
- No greeting prefix before first name (no Hi, Hello, Hey)
- No third-person company references (
[Company] offers,[Company] helps) - No fake urgency, misleading subject lines, excessive links, or promotional formatting
Show full SKILL.md (567 more words)Show less
Unsubscribe / Closeout Line Rules
Never write an unsubscribe line that promises to stop following up based on silence. We DO follow up — that's the whole point of sequences. Silence-based promises are misleading and fail to match actual behavior.
Banned patterns (silence = we stop):
I will take silence as a noread no reply as a passassume no response means no interestIf I don't hear back, I will leave it there / let this one go / leave you aloneI am happy to stay out of the way(if implied by context)- Any construction where the user doing nothing = we stop sending
Allowed patterns (explicit user action = we stop):
A reply of 'no' / 'not for us' / 'pass' is enough and I'll step out of your inbox(action-conditional)Just say the word and I'll stop(asks for action)A one-word reply works fine if you'd rather I stopped(asks for action)Feel free to ignore this(permission, no promise)Happy to try back later when timing makes more sense(defers, doesn't stop)If this isn't the right angle, tell me what is(invites pivot)If I misjudged the fit, I'd rather know than guess(asks for clarification)
Rule of thumb: the user has to do something explicit for the sequence to stop. Silence keeps the cadence running.
Safe Replacement Patterns
| Banned / Risky | Safe Replacement |
|---|---|
free consultation | open to a short conversation |
special offer | what we're seeing in the market |
act now | if relevant, happy to send details |
guaranteed results | this may be relevant depending on your situation |
click here | let me know and I can send it over |
limited time | not sure if this is timely for you |
increase revenue | precise business outcome (e.g. help support liquidity) |
Rewriting Logic
- Rewrite hype into plain, observational language
- Replace pressure with permission
- Replace promotional wording with specific business language
- If a line sounds like an ad, coupon, scam, or phishing message → rewrite it
- If a bump sounds filler-heavy or vague → replace with a direct next-step question or clear closeout line
- If a value line uses fuzzy wording (
tight,fit,access,problem) → rewrite so the operational meaning is explicit - If a reply acknowledgement sounds low-status → remove it and go straight to the next useful question
- If a sentence sounds AI-polished → simplify until it reads like a person speaking plainly
Company Name Handling
If a banned word appears inside a company name used in copy:
- Do not drop the company reference entirely if the name is still needed
- Rewrite the displayed name so the banned token is removed from standalone form
- Priority: remove the token if the remaining name still reads clearly; only abbreviate or compress when needed
Examples:
Access Brand Communications→AB CommunicationsCalcon Mutual Mortgage→Calcon MutualBuckeye Insurance→BuckeyeComing Soon New York→Coming NY
Final QA Checklist
Before approving any copy:
- Scan subject line for spam-trigger wording
- Scan body for banned or high-risk wording
- Rewrite any hype-heavy or pressure-heavy line into plain language
- Remove fake urgency
- Confirm email sounds like a credible real person, not a promotion
What to do next
If flags cleared: run /smartlead-spintax before upload, then launch via /smartlead-campaign-upload-public.
If flags fired: back to /campaign-copywriting to rewrite the flagged lines. Re-run this check after.
Or wait: this skill auto-triggers on every copy draft — there's no standalone "next". Continue whatever copy work you were doing.
Related skills
/campaign-copywriting— produces the copy this skill screens
© growthenginenowoslawski, 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/spam-word-checker of growthenginenowoslawski/coldoutboundskills.
Open the folder on GitHubat commit 25c5d85
Compare with similar skills
Spam Word Checker 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 |
|---|---|---|---|---|---|---|
| Spam Word Checker this skillgrowthenginenowoslawski/coldoutboundskills | 753 | — | ~2.5k | Automated safety check: Pass | MIT | |
| Cold Email Strategistswan-gtm/gtm-skills | 172 | — | ~2.3k | Automated safety check: Pass | MIT | |
| Tech Stack Teardowngooseworks-ai/goose-skills | 1.2k | 1 repos | ~3.1k | Automated safety check: Notes | MIT | |
| Cold Email Outreachthatrebeccarae/claude-marketing | 161 | — | ~1.3k | Automated safety check: Pass | MIT | |
| Email Template GeneratorOneWave-AI/claude-skills | 336 | 1 repos | ~906 | Automated safety check: Pass | MIT | |
| Offer DefinerOthmane-Khadri/YALC-the-GTM-operating-system | 318 | — | ~1k | Automated safety check: Pass | MIT |
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Related
Categories
Questions about Spam Word Checker
What does Spam Word Checker do?
Always-on spam and deliverability guardrails for cold email copy. Spam Word Checker is an agent skill from growthenginenowoslawski/coldoutboundskills. Always-on spam and deliverability guardrails for cold email copy.
When should I use Spam Word Checker?
Spam Word Checker fits situations like: phrases like check this for spam; spam word check; deliverability review; flag banned words.
How do I install Spam Word Checker in Claude Code?
Run `npx skills add growthenginenowoslawski/coldoutboundskills --skill spam-word-checker -a claude-code`. Or copy the skill folder (skills/spam-word-checker in growthenginenowoslawski/coldoutboundskills) into .claude/skills/spam-word-checker in your project. Claude Code loads it when a task matches its description.
How do I install Spam Word Checker in Codex?
Run `npx skills add growthenginenowoslawski/coldoutboundskills --skill spam-word-checker -a codex`. Or copy the skill folder (skills/spam-word-checker in growthenginenowoslawski/coldoutboundskills) into .agents/skills/spam-word-checker in your project. Codex loads it when a task matches its description.
Can I use Spam Word Checker 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 growthenginenowoslawski/coldoutboundskills --skill spam-word-checker -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/spam-word-checker, .gemini/skills/spam-word-checker, .github/skills/spam-word-checker and .opencode/skills/spam-word-checker in your project.
What does Spam Word Checker need to run?
Going by SKILL.md and its folder, Spam Word Checker needs the command-line tools its instructions call (just and make).
Does Spam Word Checker 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 Spam Word Checker 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 Spam Word Checker use?
Spam Word Checker 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 Spam Word Checker use?
About 2.5k tokens (SKILL.md is roughly 9.9k 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 Spam Word Checker?
Skills that share tags, products or a category with Spam Word Checker: Cold Email Strategist (swan-gtm/gtm-skills, 172 stars), Tech Stack Teardown (gooseworks-ai/goose-skills, 1.2k stars), Cold Email Outreach (thatrebeccarae/claude-marketing, 161 stars) and Email Template Generator (OneWave-AI/claude-skills, 336 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Spam Word Checker?
growthenginenowoslawski (a GitHub user) maintains it in growthenginenowoslawski/coldoutboundskills, which has 753 GitHub stars. The repository holds 49 skills in this directory. The repository was last updated on October 5, 2026.
Source: growthenginenowoslawski/coldoutboundskills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.