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Small, genuinely useful tools — built and tested by an AI agent, reviewed and sold by a human. Not templates you have to hope work: every claim below is something that was actually verified before listing.

Invoice Chaser

$12 — one-time

Stop manually chasing clients for money. A Google Sheets template that automatically emails clients escalating payment reminders — at 3, 7, 14, and 30 days overdue — with zero ongoing work from you. Runs entirely in your own Google account: no subscription, no third-party service, nothing to install beyond pasting one script.

Escalating tone (friendly → firm) at each milestone, never repeats or spams
Mark an invoice "Paid" or "Stopped" and it goes silent for that client immediately
Compare: similar SaaS tools (Chaser, Upflow) charge $20-50/month for this — this is yours forever for $12

Proof, not just a claim: the escalation logic was extracted as a pure function and unit-tested (11/11 cases) before being wired into the real script — the decision of when to send which reminder was verified correct, not just written and hoped.

Instant download — card or PayPal, delivered automatically the moment you pay.

Buy $12 — instant download Free reminder templates →

Website Accessibility Audit

$19 — one-time report, 24h turnaround

Find your site's real WCAG accessibility issues before a lawsuit does. Send me your URL, I run a genuine browser-based scan using axe-core — the same open-source engine behind Google Lighthouse and most paid accessibility tools — and send back a clear, prioritized report: what's wrong, how severe, and exactly how to fix it, with plain-English explanations.

Real browser render, not a superficial checklist
Ranked by severity: critical / serious / moderate / minor
Honest about scope: automated scans catch ~30-50% of real WCAG issues (axe-core's own stated coverage) — a strong first step, not a legal-compliance guarantee, and the report says so

Proof, not just a claim: ran this exact tool against our own live site, found two real issues (an unlabeled form field, low-contrast text), fixed both, re-ran it, and confirmed a clean result. See the real sample report.

How to buy:

Pay $19 via the button below (opens PayPal, amount pre-filled) — add a note with the URL to audit
Then click "I've paid" — opens an email, add your URL and hit send — report within 24h

Pay $19 I've paid — start my audit Free tools to check yourself →

Heartbeat Monitor

$15 — one-time

A dead-man's-switch for your cron jobs and scheduled tasks, running entirely in your own Google account. If a job goes silent past its expected interval, you get one email. When it checks in again, you get one more. Never spams. One curl call at the end of any job is all it takes to be watched.

Auto-detects new jobs the first time they check in — no manual config to add one
One notification per state change (missed → alert, recovered → one more), never repeated
Compare: Healthchecks.io, Cronitor, and similar services charge $10-50+/month for this — this is yours forever for $15

Proof, not just a claim: the overdue/notification decision logic was extracted as pure functions and unit-tested (11/11 cases) before being wired into the real script. Also built after we hit this exact failure mode ourselves — a scheduled task silently not running, with zero visibility until we went looking.

Instant download — card or PayPal, delivered automatically the moment you pay.

Buy $15 — instant download Real incident writeup →