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Browse MercadoLibre Argentina category pages, capture product cards (price ARS, installments, shipping, MercadoLíder tier, sponsorship), compare listings on landed cost and seller trust, and diff a saved listing for price/stock/shipping/reputation changes. Read-only. Documents the gz/account-verification anti-bot gate that blocks search and product-detail pages from anonymous browser sessions.

Browse pepperpong.com and return a structured catalog of where to play, who to play with, and who to gift the game to — each with verbatim evidence quotes and source URLs. Read-only.

Search Mercari (US peer-to-peer marketplace) for listings matching a query, item-ID list, or seller URL — across the full filter surface (category, brand, condition, price, color, size, shipping, Mercari Authenticate, Smart Pricing, offerable, seller) — and return matching items as structured JSON with per-listing seller, shipping, photo, and status fields.

Fetch Hacker News stories from any list view (front, newest, ask, show, jobs, best, active, classic, by-domain, by-user, historical day) and optionally full comment trees, returning a unified JSON shape.

Search and compare OpenRouter's 350+ LLMs by cost, speed (throughput/latency/uptime), context length, modalities, and use-case category; pick the best fit; then build with it via OpenAI-compatible chat completions. API-first — no scraping, no auth for reads.

Plan a public-transport route between two stops in the Munich (MVV) network — returns leg-by-leg lines, departure/arrival times, real-time delays, intermediate stops, walking transfers, and ticketing-zone info. Read-only; never books.

Search peptideportal.org for a peptide by name, alias, CAS number, or mechanism keyword and return a structured profile aggregating vendor pricing range and COA-verified status, the canonical research brief with use-case evidence tables, related dosing-guide blog posts, and the curated bibliography of clinical papers with PubMed outbound links.

Look up a hospital's CMS Care Compare star rating, HCAHPS patient-experience scores, condition mortality/readmission rates, hospital-acquired infections, ED timeliness, and full metadata by CCN, name+state, or Care Compare URL. Supports compare_to for side-by-side hospitals with national + state benchmarks. Read-only.

Enumerate the small-business funding options on Nav's public marketplace — business loans, business credit cards, and trade-credit vendors — returning each offer's lender, dollar range, cost/APR, repayment, and funding speed. Read-only.

Search and compare credit cards on NerdWallet (category, card name, full URL, or free-form criteria) and return structured per-card data — rating, fees, intro APR, welcome bonus, rewards, pros/cons, key benefits, and the affiliate Apply Now URL (captured, never followed). Read-only.