MCP servers for Claude Code

Search with Brave Search API: web results, news results.

Query Cal.com API v2: event types, bookings, schedules. v1 is decommissioned.

Query Censys Search: host lookup by IP and host search with the Censys query language.

Query the Clerk Backend API (secret key; set CLERK_SECRET_KEY, Bearer): users, user details.

Query Crisp: visitor list, people profile, conversation.

Query Customer.io: customers, customer details, segments.

Query your Directus instance: collections, users. Endpoints per official docs.

Query the eBay Browse API (OAuth user token; set EBAY_OAUTH_TOKEN, Bearer): item search, item.

Query the Etherscan v2 API: ETH balance, transactions, ERC-20 transfers.

Query the FBI Crime Data API: arrests, offenses, victims by state.

Query Freshdesk: tickets, ticket details, contacts.

Query the GitHub REST API: profile, repos, repo details, code search.

Query any Gotify server: send messages, list messages, list applications.

Query HackerTarget's free recon APIs: DNS lookup, reverse DNS, whois, geoIP, HTTP headers.

Query Hashnode GraphQL: profile, publication posts, user.

Query HubSpot (private-app token; set HUBSPOT_ACCESS_TOKEN, Bearer): contacts, companies, deals.

Query the Lago API: plans, customers, invoices.

Query the Last.fm API: top artists, top tracks, artist info.

Query Mailchimp: ping, lists, members, campaigns.

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

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