MCP servers
MCP servers let AI assistants such as Claude, ChatGPT and Cursor use outside tools and data. 6,247 servers so far, found in the official MCP registry, GitHub and npm. Each fact links to where we read it.
- Brionic PaymentsNon-custodial crypto payments: charges, invoices and refunds in BTC, XRP, USDC and more.
- Brix Digital SignageManage digital signage screens: health, content, casts, emergency messages, proof of play.
- Brix36Films and music videos. You're the star. No subscription.
- Brixa StudioYour design, automated endlessly. Design anywhere, Brixa freezes it as a template, publishes forever
- Bro Find AISearch a curated directory of AI tools, AI agents and MCP servers by task, pricing and platform.
- BroadcastwellWho five AI engines name in 14 software categories, with a published receipt on each. No key.
- BrokerFlat Forex CashbackCompare 11 forex brokers, calculate cashback per lot and get sign-up steps. Read-only, no login.
- Broombook: cleaning business calculatorsFree cleaning business calculators: house cleaning prices, state minimums, commercial bids, profit
- Brownpaper AITurn conversations about work processes into process maps: read, draw, correct and export.
- BrowserHereControl a real browser from AI agents: navigate, click, type, screenshot, read the page.
- BrowserPairConnect AI agents to your own Chrome with scoped access, approvals, and verified task results.
- BrytiPlan dinners with Bryti from your own assistant: the week, shopping list, pantry and recipes.
- Brük — verified XRP Ledger answersVerified XRP Ledger answers with proof: payment, send, and issuer checks. Pay per call via x402.
- BugHerdOfficial BugHerd MCP server. Sign in with OAuth, no API key needed.
- BugScreenConfigure mobile bug reporting and investigate retained reports with your coding assistant.
- BugTapeProduction bugs with replay, network, console and stack, ranked for your coding agent to fix.
- Build & ShipThe last mile of AI adoption: an agent that ships real work, with your brand and your rules.
- BuildDataCanadian building permits, development and planning applications, major projects, new businesses.
- BuildWorkProConstruction management for subcontractors: bids, projects, pay apps, change orders and CRM.
- Builders in FintechFintech companies, products, rounds, investors, news, Agent-Ready scores. Free, keyless, CC BY 4.0.
- BuiltToWinWebSearch BuiltToWinWeb's services, industries and blog. Flat-fee custom PHP sites for small business.
- Bulgaria Payments (Stripe — cards / Apple Pay)Bulgaria payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.
- BulkSheetBulk edit Shopify products from an AI agent: search, preview, apply and undo catalog edits.
- BulkTranscripts YouTubeYouTube transcripts, search, channel/playlist listings and upload tracking for AI agents.
- Bullion Price CheckGold/silver price aggregator: 29 free tools incl. show_floor_sheet, spot_move_check. Not a dealer.
- Bullion Trading: Gold & SilverLive spot, premiums, buy-back rates and the bullion catalog of a New York dealer. Read-only.
- BunnyBilling, subscriptions and quoting for B2B SaaS
- BunstationBuild websites and apps from a prompt, edit files, publish, and check credits and usage.
- Bureau public readerBureau-operated public read-only MCP service for public Context Packets and Cases.
- Burnes Atelier Operations ReconciliationDeterministic operations reconciliation for AI agents: COMPLETE, INCOMPLETE, or NEEDS_REVIEW.
- BurnloreA perpetual, crowd-written AI novel — fetch an assignment, write a chapter, submit it. CC0.
- BuronMarketing-measurement MCP: dashboards, cross-channel queries, integrations, and knowledge files.
- BusCalc Business CalculatorsBusiness calculators, data lookups, replayable receipts, and documentation for enterprise pilots.
- BuscaTuCamping: guía de campingsBusca campings de España y Europa por zona, servicios y fechas, con temporada verificada.
- Business AgentConnect AI assistants to Appimate's Business Agent Tools and Services.
- Business Contact FinderCheck how to contact a business website, and whether that contact path actually works.
- Business Manager 4Home ProsRun a lawn, pool or cleaning business by chat: today's route, visits, payments, who owes you.
- Business Name DeskCheck if a US business name is taken: state business registers, the .com and restricted words.
- Business StudioYour business board for Claude and ChatGPT: tasks, sub-cards, CRM, posts, tracked links.
- Business valuation calculatorEstimates what a buyer might pay for a small agency, service or SaaS business, in US dollars.
- BusinessLoanBroker.aiFind business loan lender matches, autofill applications, and submit to lenders after your review.
- BusinessRateCheckerBusiness rates data for England and Wales: rateable values, comparables, verdicts, tribunal cases
- BusyBoardMerged free/busy, find mutual time, propose bookings with human approval. Never event contents.
- BusymailRead, organise and send from your existing email accounts. Nothing sends without your approval.
- Butterfly Delta PreflightSigned exact-order pre-submit gate for crypto bots using live Coinbase and Gemini execution data.
- Buy Box CheckerYour own Amazon Buy Box data: who wins by city or ZIP, history, alerts, sales rank and page changes.
- Buy Vignette Pass — European motorway vignettesWhich motorway vignettes a car trip in Europe needs, with prices and toll caveats.
- BuyCryptCrypto trading tournaments, leaderboards, trader ratings and your demo account. Read-only.
- BuyLaterSave products to buy later; get notified on restock, price drop, or new release.
- BuyRecordUS product return policies, recalls and, as stores join, verified purchase outcomes for AI agents.
- BuyerAwareMechanic-grade used-car listing verdicts: risk score, failure points, repair costs, fair price.
- BuyingMesh ProcurementStructured B2B supply search, quoting, sandbox orders and fulfillment status for agents.
- BuzzMeBroMore than one roommate on your apartment buzzer number; settings decide who rings. Canada.
- BuzzSearchSearch Reddit, TikTok, YouTube, and Facebook comments for exact customer quotes for ad copy.
- BuzzbergTrade ideas, author track records and sentiment from X, YouTube, Reddit, Substack; earnings calls
- BuzzerAPIBuzz in deliveries and guests: apartment access codes, timed or recurring entry, and access history.
- Buzzy App BuilderBuild and host custom business apps (CRMs, booking apps, portals) with Claude Code, Codex or Cursor.
- BytNodeCrypto market data for AI agents: top crypto pairs, derivatives, options, macro, on-chain.
- C'est Chaud à ParisRead-only Paris catalogue: events and dates, places, free things, booking links.
- CAD CompareCompare STEP CAD files locally: identical, moved, or different, and what changed.