MCP servers

Query Mailchimp: ping, lists, members, campaigns.

MCP server for Mailjet: contacts, messages, campaigns. Needs free API keys.

Query the Mercury API: accounts, account details, transactions.

UK Met Office DataHub: hourly, three-hourly, daily point forecasts.

Query the Missoma catalog: search demi-fine jewelry, newest arrivals, enriched product details.

Worldwide public holidays and long weekends - no API key.

Query your Netdata agent: node info, chart list, chart data. Endpoints per official docs.

Run OCR.space: text extraction from image URLs via GET or POST.

Uptime, TLS and DNS checks for any website - no API key.

Search Open Charge Map: chargers near coordinates, details.

Query the Open Library: full-text book search, work details.

Search 4500+ open-source emoji with SVG links - no API key.

Query OpenRouter (free key; set OPENROUTER_API_KEY, Bearer): model list, key info, credits.

Trivia questions, quizzes and categories - no API key.

Query the Paddle Billing API: products, product details, prices.

Query PayPal sandbox: orders, captures, billing plans. Sandbox only.

Query your Baserow instance: dashboard, database tables. Endpoints per official docs.

MCP server for beehiiv: publications, posts, subscribers. Needs an API key.

Query the Beis catalog: search luggage and bags, newest arrivals, enriched product details.

Latency breakdown, response times and page audits - no API key.

MCP server for BigCommerce: products, orders. Needs store API credentials.

Live crypto prices, tickers, and candlestick charts from Binance public data. No key required.

Bitwarden public API: members, collections, groups, event logs.

Bitcoin data from blockchain.info: price ticker, latest block, and address balances. No key...