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OG image API. Renders 1200x630 social previews on the edge, billed per unique image.

Daily reading on one theme, with the sources behind it.

One call tells you whether AI crawlers are allowed to read your site and whether your pages are structured so AI search can cite them: robots.txt bot rules, llms.txt, JSON-LD, meta tags and sitemap, scored with concrete fixes.

One-call domain email deliverability and spoofability audit: MX, SPF, DMARC, DKIM, disposable check. Free tier, no signup for a single audit.

A fishing catch logbook: record every catch with date, location, species, conditions and photos. Private by default, works on any phone, no app install.

Gefaehrdungsbeurteilung (legally required workplace risk assessment) authoring, documentation and review schedule for German employers. Deterministic checklists from statute text; no LLM, no external API.

Deterministic varroa treatment rotation and hive inspection ledger for beekeepers. No LLM, no AI - a rules table flags resistance risk and withdrawal-period conflicts.

A ledger for service and volunteer hours: checks entries for arithmetic that cannot be true, collects a one-time supervisor sign-off, and prints an A4 certificate. Deterministic - no LLM.

Round-robin ladders and match scores for small clubs. Players join by scanning a QR poster - no app, no account.

CDC-based pool and spa water test log with deterministic compliance checks and an auditable record

Checks how fast MCP directories list a new server — submit and see which directories reflect it and how fast.

Check and claim a Swiss rent reduction: statutory reference rate (Referenzzinssatz, 1.25% since 02.09.2025), the 2.91% decrease per 0.25 point step, the 30-day reply and 60-day conciliation deadlines, and a documented written request.

A maintenance record for a septic system: log inspections and pump-outs, record the sludge and scum levels your service provider measures, and see when the next inspection or pump-out is due under fixed public EPA guidance. No AI - arithmetic and dates only.

Digital stamp cards for small shops: one QR poster, no app for customers, no hardware for you.

Diagnose why an MCP server fails directory health checks. Five live HTTP probes.

Weekly scan of the official MCP registry: which servers pass directory health checks, and what changed since last week.

Published prices of OG-image and screenshot APIs, with the page each price was read from. Free to cite. Deterministic comparison, no AI.

What UK Clean Air Zones charge: the daily rates each council publishes, and what a trip through them costs.

Hong Kong public transport fares and the government fare subsidy, computed and recorded.

Live HDB carpark availability for Singapore with snapshot history and lookups by carpark code. Free public data, deterministic lookups, MCP tools included.

Dubai (UAE) travel and living cost calculators: RTA taxi fares, Salik tolls, fuel and parking, with the published source behind every number.

Compare your telescope eyepieces and build printable observing cards.

A private koi profile and measured growth journal.

A personal koi show planner and entry checklist.

A private logbook for pond readings and care activities.