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• 5 oct: AI-Code Launch Safety Review (Developers)
• 5 oct: Cold Email from a Website (Sales and outreach)
• 5 oct: Landing Page Copy Rewrite (Marketers and agencies)
• 5 oct: Local Business Fix (Marketers and agencies)
• 5 oct: Page Fix Sheet (Marketers and agencies)
• 5 oct: Resume Bullet Rewriter (Careers)
• 5 oct: Spreadsheet Formula and Cleanup (Spreadsheets)
• 5 oct: Voice-Matched Draft Editor (Writing)
• 6 oct: Ad Copy Variant Grid (Marketers and agencies)
• 6 oct: Client Site Fix Kit (Marketers and agencies)
• 6 oct: Expense Categoriser (Finance and admin)
• 6 oct: Messy CSV Cleaner (Spreadsheets)
• 6 oct: Scope Creep Reply (Sales and outreach)
• 6 oct: Support Macro and Escalation Writer (Support)
• 7 oct: Brief to Proposal (Freelancers)
• 7 oct: Client-Winning Pack (Freelancers)
• 7 oct: Discovery Call Brief (Freelancers)
• 7 oct: Guest Review Reply (Rental hosts)
• 7 oct: House Rules and Guidebook (Rental hosts)
• 7 oct: Listing Audit (Rental hosts)
• 7 oct: Proposal Compliance Check (Freelancers)
• 7 oct: Review Insights (Rental hosts)
• 7 oct: Scope of Work Builder (Freelancers)
• 8 oct: Case Study from Project Notes (Sales and outreach)
• 8 oct: Follow-Up Ladder (Sales and outreach)
• 8 oct: Google Business Profile Kit (Marketers and agencies)
• 8 oct: Incident Postmortem Writer (Developers)
• 8 oct: Interview Scorecard Builder (Careers)
• 8 oct: Local Service Page Writer (Marketers and agencies)
• 8 oct: Photo Description Writer (Rental hosts)
• 8 oct: Quote and Estimate Builder (Sales and outreach)
• 8 oct: Survey Results Summariser (Spreadsheets)
• 9 oct: Data and Spreadsheets Pack (Spreadsheets)
• 9 oct: Dependency Upgrade Risk Brief (Developers)
• 9 oct: Developers Pack (Developers)
• 9 oct: Env and Secrets Leak Check (Developers)
• 9 oct: Marketing and SEO Pack (Marketers and agencies)
• 9 oct: Sales and Client Work Pack (Sales and outreach)
• 10 oct: Careers Pack (Careers)
• 10 oct: Cover Letter from Job Post and Resume (Careers)
• 10 oct: Help Article from Tickets (Support)
• 10 oct: Interview Answer Builder (Careers)
• 10 oct: Long Post to Thread and Summary (Writing)
• 10 oct: Newsletter Issue from Notes (Writing)
• 10 oct: Refund and Exception Decision Helper (Support)
• 11 oct: Bug Report from Customer Message (Support)
• 11 oct: Content and Writing Pack (Writing)
• 11 oct: Customer Support Pack (Support)
• 11 oct: Meeting Notes to Decisions and Actions (Writing)

4 October 2026

• Study What the most-installed agent skills actually do. We sorted the top 100 skills on skills.sh by the job they do and by publisher, with the keyword rules published. Data and scripts included.
• Study What store owners were told about their stores. An aggregate of store feedback, no store named.
• Study We re-tested 69 skills on harder inputs. 16 failed. Here is what broke.. We gave 69 skills a second run on a deliberately hard input. 16 had a defect, mostly unsure input restated as fact. What broke, what we changed, and the limits.
• Free book The Free Prompt Book (PDF). All 21 free prompts in one printable PDF, grouped by job.
• Skill Test Gap Finder. Give it a diff and the tests. Get each behaviour the change adds marked Covered, Not covered or Unknown, and ranked test cases for the gaps.
• Skill Support Macro Writer. Ready-to-import replies built from your real shipping and returns policies.
• Pack Store Ops Pack. Six skills for the Shopify jobs that eat the week, in one download.
• Guide Star ratings AI agents and Google can read. At 72% of the stores we checked, an agent reading the page had no rating to work from. A two-minute check and what to change.
• Guide Skills vs prompts vs custom GPTs: which one do you need?. What a skill, a prompt and a custom GPT each are, what each does well, and a short table to pick one. Facts checked against OpenAI's and other vendors' docs on 4 October 2026.
• Skill Skill Portability Check. A free checker for SKILL.md folders: strict-YAML trap, portable keys, vendor tool names, missing fallbacks, broken links. One Python file, exit code for CI.
• Prompt Shopify product title cleaner prompt for any chatbot. One consistent title pattern across the catalogue, as an import CSV of changed rows only.
• Prompt Search intent content brief prompt for any chatbot. Give it a keyword and the pages that rank. Get the search intent, a coverage table, the gaps and an outline. Free, MIT-licensed.
• Skill Search Intent Page Brief. Give it a keyword and the pages that rank. Get the search intent, a coverage table, the gaps and an outline. Free, MIT-licensed.
• Prompt Review reply drafter prompt for ChatGPT, Claude or Gemini. A reply for every review, matched to its tone, with the risky ones flagged for you.
• Skill Review Reply Drafter. A reply for every review, matched to its tone, with the risky ones flagged for you.
• Prompt Refund policy checker prompt for ChatGPT, Claude or Gemini. Policy gaps and contradictions across refund, shipping, privacy and terms, with fixes to paste.
• Prompt README first-run check prompt for any chatbot. Point it at a repo. It follows the README like a new user and checks every step against the repo: OK, BROKEN, MISSING or UNVERIFIED, with evidence and the README edits that fix it.
• Skill README First-Run Check. Point it at a repo. It follows the README like a new user and checks every step against the repo: OK, BROKEN, MISSING or UNVERIFIED, with evidence and the README edits that fix it.
• Prompt Pull request description prompt for ChatGPT or Claude. Run it on your branch. Get a PR title, summary, risk notes and test plan from the diff, plus the questions a reviewer will ask. Free, MIT-licensed.
• Prompt Product image alt text prompt for ChatGPT or Claude. Alt text for every product image, written while looking at the photo, as an import CSV.
• Skill Product Title Cleaner. One consistent title pattern across the catalogue, as an import CSV of changed rows only.
• Skill Product SEO Fixer. A prioritised fix list with the exact text to paste, for a product, a collection or a product export CSV.
• Skill Product Description Rewriter. Clean Shopify HTML descriptions with an SEO title and meta description, for one product or a collection.
• Skill Policy Checker. Policy gaps and contradictions across refund, shipping, privacy and terms, with fixes to paste.
• Skill PR Description and Review Prep. Run it on your branch. Get a PR title, summary, risk notes and test plan from the diff, plus the questions a reviewer will ask. Free, MIT-licensed.
• Skill Listing Rewriter. Three titles under 50 characters and a description within 500, built only from your own facts.
• Prompt Late payment interest and chaser email prompt (UK). One unpaid invoice in. The statutory interest and fixed recovery sum worked out with a script, and three reminder emails out. UK business debts only.
• Skill Late Payment Chaser (UK). One unpaid invoice in. The statutory interest and fixed recovery sum worked out with a script, and three reminder emails out. UK business debts only.
• Prompt Job post decoder prompt for ChatGPT, Claude or Gemini. Paste a job post. Get what the job is, firm and wish requirements, what is missing and questions for the recruiter. Free, MIT-licensed.
• Skill Job Post Decoder. Paste a job post. Get what the job is, firm and wish requirements, what is missing and questions for the recruiter. Free, MIT-licensed.
• Prompt Invoice checker prompt for ChatGPT, Claude or Gemini. Give it an invoice. Get the totals recomputed, every difference, missing fields and consistency flags. No tax advice. Free, MIT-licensed.
• Skill Invoice Checker. Give it an invoice. Get the totals recomputed, every difference, missing fields and consistency flags. No tax advice. Free, MIT-licensed.
• Guide How to write ad copy variants you can actually test. Build a grid of ad variants that differ in one thing each, so a test tells you something. Includes a prompt that stays inside your real offer and the character limits.
• Guide How to write a cold email from a prospect's website. A prompt that reads a prospect's public site and drafts a short cold email using only what the site says. Copy it, paste in the page text, check the facts.
• Guide How to write a SKILL.md that still works when a tool is missing. Three fallback patterns for agent skills, with verbatim examples from free skills, and the study numbers on how rare fallbacks are.
• Guide How to use a skill in ChatGPT or any chatbot (paste-in prompt). Every skill in our free repo has a prompt.md you paste into a chat. No install, no skills support needed. What it can and cannot do.
• Guide How to rewrite resume bullets without inventing numbers. A prompt that tightens weak resume bullets using only facts you give it, and flags every place a number would help but you must supply the real one.
• Guide How to reply to scope creep without burning the relationship. A way to answer a client's extra request: check it against what you agreed, then send a calm reply with a clear choice. Includes a prompt that drafts it from your own facts.
• Guide How to install Agent Skills in claude.ai. How to upload a skill as a ZIP in claude.ai, and the setting that has to be on first. Checked against Anthropic's help centre on 4 October 2026.
• Guide How to install Agent Skills in GitHub Copilot. Where GitHub Copilot looks for project and personal skills, and how to add ours. Checked against GitHub's docs on 4 October 2026.
• Guide How to install Agent Skills in Gemini CLI. Gemini CLI's skills folders, the gemini skills install command and the slash commands to check it worked. Checked against the Gemini CLI docs on 4 October 2026.
• Guide How to install Agent Skills in Cursor. The folders Cursor loads skills from, including the shared .agents/skills path, and how to add one. Checked against the Cursor docs on 4 October 2026.
• Guide How to install Agent Skills in Codex. The folders Codex reads skills from, the built-in installer, and how to add one by hand. Checked against OpenAI's Codex docs on 4 October 2026.
• Guide How to install Agent Skills in Claude, Codex, Gemini CLI, Cursor and Copilot. Where each tool looks for SKILL.md skills, the one command that works across tools, and a step-by-step page for each. Checked against each tool's own docs on 4 October 2026.
• Guide How to install Agent Skills in Claude Code. Where Claude Code looks for skills, how to copy one in, and the npx command. Checked against the Claude Code docs on 4 October 2026.
• Guide How to fact-check the claims in an AI-written draft. A routine and a paste-in prompt that pull every checkable claim out of a draft, so you can verify each one against a source before you publish.
• Guide How to clean a messy spreadsheet with an AI assistant. A safe routine for cleaning a messy CSV or sheet with an AI assistant: describe the mess, get a rule list, apply it to a copy, and check the totals before you trust it.
• Guide How to clean a messy CSV export without losing data. Fix the usual problems in an exported CSV (encoding, delimiters, leading zeros, dates, duplicate headers) with a script you can read and rerun, plus a prompt that writes it.
• Guide How to check AI-written code before you launch it. A pre-launch checklist and a paste-in review prompt for code an AI assistant wrote. What to check by hand, what to ask the assistant, and what no review will catch.
• Study How portable are the most-installed agent skills?. We scanned the most-installed agent skills on skills.sh for ties to one assistant: tool names, paths, frontmatter keys and scripts. Data and scripts included.
• Guide How long should a product description be?. The typical description in our sample was 69 words. How to check your catalogue and the five facts to add to a thin description.
• Guide How do I write support macros from my refund policy?. A starter prompt that reads your policy and a few real tickets, lists what the policy says and what it leaves out, and drafts replies with the policy line each one relies on. Copy it, paste your policy and tickets.
• Guide How do I write a service page for a local business?. A prompt that writes a location and service page from the business's own facts, with a title, headings, FAQ and structured data, and marks every fact it does not have. Copy it, paste in the facts, check the page.
• Guide How do I write a quote for a job from my rate card?. A prompt that turns a job description and your own rates into an itemised quote with assumptions and exclusions, with the totals checked by arithmetic you can see. Copy it, paste in the job and your rates, check the sums.
• Guide How do I write a pull request description reviewers can use?. A prompt that writes a pull request description from your diff, says what it could not know, and lists the questions a reviewer will probably ask. Copy it, paste the diff, fill in the gaps.
• Guide How do I write a newsletter issue from my notes?. A starter prompt that turns a week of notes and links into one newsletter issue, with every fact traced to a note and gaps marked. Copy it, paste your notes, check each claim.
• Guide How do I write a help article from support tickets?. A starter prompt that turns several tickets on the same problem into one help article, labels where each step came from and lists conflicts to settle. Copy it, paste the tickets.
• Guide How do I write a cover letter from a job post without making things up?. A starter prompt that writes a short cover letter from a job post and your resume using only facts in your resume, and lists the requirements you do not yet show. Copy it, paste both.
• Guide How do I write a changelog from my git commits?. A prompt that turns a git log into a user-facing changelog section, with the commit behind every line and the vague commits flagged. Copy it, paste in your log, check the flagged ones.
• Guide How do I write a case study when I only have rough project notes?. A prompt that turns messy project notes and your real numbers into a one-page case study without inventing results, quotes or claims. Copy it, paste in your notes, check the fact sheet.
• Guide How do I write a blameless postmortem after an outage?. A prompt that turns chat logs, alerts and a rough timeline into a blameless postmortem, with stated facts kept apart from guesses. Copy it, paste in your notes, check every time and number.
• Guide How do I write a Google Business Profile description and posts?. A prompt that drafts a Google Business Profile description, services, posts, questions and review requests from your own facts, following Google's rules. Copy it, paste in your facts, check each line.
• Guide How do I turn meeting notes into decisions and action items?. A starter prompt that sorts meeting notes into decisions, actions with owners, and open questions, quoting the notes for each line. Copy it, paste your notes, check each quote.
• Guide How do I turn a long post into a thread and a summary?. A starter prompt that turns one long post into a summary, a numbered thread and a pull quote, using only what the post says and keeping caveats attached to their claims. Copy it, paste the post.
• Guide How do I turn a customer message into a bug report?. A starter prompt that turns a rambling customer message into a bug report for engineering, keeping what the customer said apart from guesses, and lists the questions to ask back. Copy it, paste the message.
• Guide How do I tell what a job post really asks for?. A prompt that sorts a job post into firm requirements, wishes and gaps, quotes the phrases worth a question and drafts questions for the recruiter. Copy it, paste the post.
• Guide How do I summarise survey results without overclaiming?. A prompt that turns a survey export into counts with the base size, themed open-text answers with quotes, and a plain list of what the data cannot show. Copy it, paste in your rows, check the counts.
• Guide How do I sort a bank export into categories for my bookkeeping?. A starter prompt that groups a bank export by merchant, assigns categories only where the name is clear, and asks about the rest. Copy it, paste your rows, check the totals.
• Guide How do I judge the risk of a dependency upgrade before I merge it?. A starter prompt that sorts a dependency bump list by version change, quotes only the breaking changes in the release notes you paste, and gives an upgrade order and a rollback. Copy it, paste the bumps and notes.
• Guide How do I follow up with a client who has gone quiet?. A prompt that turns the history of a stalled lead into four short follow-ups with falling pressure and an easy way to say no. Copy it, paste in the thread, check each message against the history.
• Guide How do I find which tests my change is missing?. A prompt that lists each behaviour a diff adds or changes, marks it Covered, Not covered or Unknown against your tests, and ranks the tests worth adding. Copy it, paste your diff and tests.
• Guide How do I edit a draft so it sounds like I wrote it?. A starter prompt that reads your own writing samples, describes your voice with quoted evidence, then edits a draft to match without changing facts. Copy it, paste your samples and draft.
• Guide How do I decide a refund request that falls outside my policy?. A starter prompt that lays your policy next to one refund request, counts the days, lists your options and drafts a reply without deciding for you. Copy it, paste the policy and the case.
• Guide How do I check that my SKILL.md file will load in other tools?. A prompt that reads a SKILL.md file for strict-YAML errors, vendor-specific names and missing fallbacks, quoting the line behind each finding. Copy it, paste your file, or use the free script.
• Guide How do I check that my README's setup steps actually work?. A prompt that follows a README like a newcomer and marks each setup step OK, BROKEN, MISSING or UNVERIFIED against your real files. Copy it, paste your files, fix the edits it lists.
• Guide How do I check an invoice for mistakes before I send or pay it?. A prompt that recomputes every line and total of an invoice, lists differences, and shows which common fields are missing, without giving tax advice. Copy it, paste the invoice.
• Guide How do I check a web page for accessibility problems in its code?. A prompt that reads a page's HTML for the usual accessibility problems, shows the offending code and a fix, and lists what only a human can check. Copy it, paste your markup.
• Guide How do I check a repository for leaked secrets before I make it public?. A starter prompt and a few git commands to find committed keys, env files and tokens, sort real secrets from placeholders, and plan the clean-up in the right order. Copy it, run the commands, paste the masked output.
• Guide How do I check a reply to an angry customer before I send it?. A prompt that checks a draft reply against the customer message and your policy, what it answered, what it promised, what is not backed, and where the tone slips. Copy it, paste the three parts.
• Guide How do I check a cold email before I send it?. A prompt that tests every claim in a cold email draft against the prospect's page, flags unproven claims about you and lists the commercial email basics a US guide expects. Copy it, paste your draft.
• Guide How do I check a CSV file before I use it?. A prompt that profiles a sample of a CSV, flags mixed types, odd dates, stray spaces and duplicates, and lists questions for whoever owns the data. Copy it, paste the header and sample rows.
• Guide How do I build an interview scorecard from a job post?. A prompt that turns a job post into a structured interview scorecard with competencies, questions, a 1 to 4 rubric and an interview plan. Copy it, paste in the post, check it against the job.
• Guide How do I brief a page from what already ranks for my keyword?. A prompt that turns the pages currently ranking for a keyword into a content brief, the intent, what every page covers, the gaps and an outline. Copy it, paste the top results.
• Guide How do I answer "tell me about a time when" using my own experience?. A starter prompt that builds a STAR outline and a spoken answer from your own notes without adding facts, and lists the follow-up questions to expect. Copy it, paste your question and notes.
• Pack Host Ops Pack. Six skills for the listing, review and house-rules jobs of hosts who run their own listings.
• Prompt Find missing tests: test gap finder prompt for any chatbot. Give it a diff and the tests. Get each behaviour the change adds marked Covered, Not covered or Unknown, and ranked test cases for the gaps.
• Prompt Fact-check a draft: claim checker prompt for any chatbot. Paste a draft before you publish. Get the claims that need a source, ranked by risk, what would settle each, and safer wording for the ones you cannot back up.
• Skill Fact-Claim Checker. Paste a draft before you publish. Get the claims that need a source, ranked by risk, what would settle each, and safer wording for the ones you cannot back up.
• Prompt Cold email checker prompt for ChatGPT, Claude or Gemini. Give it a cold email draft and the prospect's page text. Get a verdict, a claims table and a tightened version. Free, MIT-licensed.
• Skill Cold Email Checker. Give it a cold email draft and the prospect's page text. Get a verdict, a claims table and a tightened version. Free, MIT-licensed.
• Prompt Check a SKILL.md for portability problems: free prompt. A free checker for SKILL.md folders: strict-YAML trap, portable keys, vendor tool names, missing fallbacks, broken links. One Python file, exit code for CI.
• Guide Chargeback response template for Shopify. A template to copy, the evidence that matters for each dispute reason, and Shopify's file rules. Built only from Shopify, Stripe and card network pages.
• Tool Chargeback evidence picker. Pick the reason the bank gave and get the evidence to send, what is missing and a response outline. Free.
• Prompt Chargeback evidence checklist prompt for ChatGPT or Claude. Got a chargeback? The evidence to gather for your dispute reason, what you already have, and where to find each piece in Shopify.
• Skill Chargeback Response Writer. A dispute response matched to the reason code. It never invents evidence.
• Skill Chargeback Evidence Checklist. Got a chargeback? The evidence to gather for your dispute reason, what you already have, and where to find each piece in Shopify.
• Prompt Changelog from commits prompt for ChatGPT or Claude. Give it a commit range or a pasted git log. Get a user-facing changelog with the commit behind every line, and the vague commits flagged.
• Skill Changelog from Commits. Give it a commit range or a pasted git log. Get a user-facing changelog with the commit behind every line, and the vague commits flagged.
• Guide Can AI shopping agents read your return policy?. 88% of the stores we checked had no shipping or return terms in product structured data. A five-minute check and three fixes.
• Prompt Can AI agents read my Shopify store? Free prompt. Six checks on how AI shopping agents read your store, compared with 99 stores we audited.
• Prompt CSV sanity check prompt for ChatGPT or Claude. Give it a CSV. Get a read-only profile of every column, flags and questions for the data's owner. Free, MIT-licensed.
• Skill CSV Profile and Sanity Check. Give it a CSV. Get a read-only profile of every column, flags and questions for the data's owner. Free, MIT-licensed.
• Skill BFCM Campaign Kit. Offer maths on your real prices, a dated calendar, 5 emails, 3 SMS and an ops checklist.
• Prompt Angry customer reply checker prompt for any chatbot. Give it the complaint, your draft reply and your policy. Get a check of promises, facts and tone, and a repaired draft. Free, MIT-licensed.
• Skill Angry Customer Reply Check. Give it the complaint, your draft reply and your policy. Get a check of promises, facts and tone, and a repaired draft. Free, MIT-licensed.
• Skill Alt Text Writer. Alt text for every product image, written while looking at the photo, as an import CSV.
• Skill Agent-Ready Store Audit. A 0 to 100 score for how AI shopping agents read your store, with the top 7 fixes.
• Skill Agent-Ready Quick Check. Six checks on how AI shopping agents read your store, compared with 99 stores we audited.
• Prompt Accessibility audit prompt for ChatGPT, Claude or Gemini. Give it a page's HTML or components. Get accessibility issues ranked by impact, with the WCAG criterion, the code and a fix. Free, MIT-licensed.
• Skill Accessibility Quick Audit. Give it a page's HTML or components. Get accessibility issues ranked by impact, with the WCAG criterion, the code and a fix. Free, MIT-licensed.
• Prompt AI search readiness check prompt for any chatbot. Can ChatGPT, Perplexity and Google read a website? A score out of 100 from 8 checks, the evidence and the fixes in order.
• Skill AI Search Readiness Check. Can ChatGPT, Perplexity and Google read a website? A score out of 100 from 8 checks, the evidence and the fixes in order.

3 October 2026

• Study State of Agent-Ready Shopify. An audit of 99 measurable Shopify stores for how AI shopping agents read them.