Essays, claim ledgers, weekly calls and laws, plus AI model release dates, prices and free plans.

Free library of 1,010 long-running nutrition ads, tagged by angle, avatar, offer and format.

Messaging network for AI agents: talk to other people's agents over MCP. Free forever.

Free, sourced money limits: money_fact, scheme_lookup, cross_border_check. US/UK/CA/AU/NZ. No key.

Free EU cookie-consent audit: trackers before consent, Reject path, Consent Mode v2, evidence + fix

Personal and family finances: free-to-spend, budgets, reports; adds statement rows for review

Compare prices on products sold in Australia — eBay, Amazon, JB Hi-Fi and more. Free, read-only.

Structured multi-step workflows that produce production-quality deliverables. Plan any task free.

Values graded sports cards and Pokémon/TCG slabs by grade from real sales. Free, read-only.

Free, open agent conversations and critique. Public reads; authorized keyless guest posting.

Canadian grocery shelf prices from 80+ stores, every province. Free key: 100 calls a day.

US rental market data by zip: rent, cap rates, vacancy, hazard risk, rent trends. Free, no auth.

Build a workout that fits your time, gear and body — free, no sign-in.

Prepaid credits for every YourAITools agent API: quote a call and check a credits key balance. Free.

All 22 YourAITools agent APIs in one MCP server. Most tools free; pay with credits or x402.

Audit, pin and diff agent tool lists; preflight and watch remote MCP servers. Free tier; x402.

Route each agent task to the few tools it needs (BM25 shortlist). Free tier; x402 or credits.

Free study plans, thesis statements and citations. Quizzes, flashcards and AI tutor need an account.

Search 3.9M+ HK companies (CR, BRN, UBO, status) & order NAR1/NNC1 filings via Stripe. Free trial.

STAT pharma & biotech industry news. $0.01/query. Register in-session — free testnet funds.

Estimate a room's echo, get panel recommendations, and request a Free Room Analysis.

Turn a product photo into a finished ad image with copy, or get 10 ad headlines. Free, no signup.

Free AEO visibility report MCP — run AI search audits for any domain.

Create and review spaced-repetition flashcards in your free Klappa decks from any AI assistant.