MCP servers
MCP servers let AI assistants such as Claude, ChatGPT and Cursor use outside tools and data. 6,761 servers so far, found in the official MCP registry, GitHub and npm. Each fact links to where we read it.
- Siteprint examplesWebsite designs as DESIGN.md: real Siteprint exports of Linear, Stripe, Ramp and Cal.com.
- SitewalkTechnical SEO audits from ChatGPT or the web: health score, prioritised fixes, CSV and PDF reports.
- SivellaRead and update a Sivella household: tasks, calendar, budget, reminders, decisions and memory.
- Sivut SEC Crypto Filing RadarSEC EDGAR crypto filing radar MCP with x402-paid Base USDC data URLs.
- SkalerCreative analytics for Meta ads: winning ads, AI tags, competitor ad intel and ad launching.
- SkilderOne place to build, share, and govern the skills and tools your AI agents use at work.
- Skovos GovernanceGovernance for AI agents in health systems: inventory, scoped permissions, evidence, revocation.
- SkrapVerify and find B2B emails, search leads and run bulk jobs from your AI assistant.
- SkyreadLicensed, analysis-ready US public data for AI: industries, economy and local markets.
- SlablineValues graded sports cards and Pokémon/TCG slabs by grade from real sales. Free, read-only.
- SlidelessList, share, upload, and manage Slideless HTML presentations from any MCP host.
- SlooshGenerate images and video, run Spaces and build canvases from your agent. OAuth sign-in.
- Slovakia Payments (Stripe — cards / Apple Pay)Slovakia payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.
- Slovenia Payments (Stripe — cards / Apple Pay)Slovenia payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.
- Smacros: smarter macro trackingAll the ease of Claude. All the rigor of a real macro tracker.
- Smart Calendars AICreate and update subscription calendars from ChatGPT, Claude, or Codex.
- SmartGeniusDraft Instagram posts, carousels and stories, and draw images in your brand's style.
- SmolabotDeterministic decision guardrail for AI agents and bots. Verifies pre-trade economics (long-only).
- SmoothSignSend PDFs for e-signature by email and SMS code. Check signing status. No document storage.
- SnabberBrazilian personal & business finance with Open Finance: transactions, cards, investments.
- SnapCountLive counts, daily per-store and per-worker reports, and live counting links from SnapCount.
- SnapDubTurn long videos into captioned vertical clips for TikTok, Reels and Shorts.
- SnapLessonMake lessons and sports plays from chat and send them by link. Learners need no app or account.
- SnapstayConnect AI assistants to hotel reservations, availability, rates, guests, and analytics with OAuth.
- Snipget300+ deterministic data utilities for AI agents: validate, normalize, parse, match, redact.
- SnowData — Live SnowLive verified resort snow, forecasts, powder search, trip planning & grounded Q&A for 430+ resorts.
- Snuug room calculators14 room calculators in cm: rug size, sofa fit, TV height, paint, curtains, lighting and more.
- SoKalAsk about your week, find a time with friends, see what a friend is up to, and plan where to go.
- Social ExpertTikTok content ideas, trends, posting times, keywords, hashtags and timestamped video feedback.
- SocialDeskSchedule posts, read analytics and answer comments and DMs on 6 social networks.
- SocialRainbowDraft, validate, publish, schedule, and manage social posts across connected accounts.
- SocialShot AIAI product photos for ecommerce: turn product images into studio, lifestyle and on-model photos.
- SocialSightGenerate and upscale AI images, videos and audio.
- SoftotecaCatálogo de software do Brasil: fichas com a origem de cada dado, preços em reais e comparação.
- SolarSENSRead-only access to authorized SolarSENS solar plants, performance, devices, and alarms.
- Soljo Solar (Switzerland)Independent rooftop solar first estimate for Switzerland: yield, median cost, subsidy, with sources
- SomviaApple Health training load, recovery, HRV and workout detail for Claude, ChatGPT and any MCP client.
- SorsaAmazon FBA arbitrage toolkit: product analysis, deal feeds, price alerts and sourcing management.
- SosoAPIPrepare, schedule and publish approved social posts using your connected SosoAPI accounts.
- SoulStackRead MRR, churn, users, errors, AI costs and 0-100 health scores for every app you run.
- SoundBerryAI music tools for producers: generate tracks and stems, split stems, detect tempo and key.
- SoundGen (soundgen.ai)Browser DAW for AI assistants: build multitrack songs with MIDI, effects, stems and generation.
- SourceMarketing attribution and analytics for websites connected to Source.
- SourceVault GatewayGoverned access to private code for coding agents: policy, redaction, audit chain, provenance.
- South Africa Payments (Paystack — cards / EFT)South Africa payments for AI agents — cards / EFT via Paystack. Never holds funds.
- Spaceti IntelligenceSpaceti workplace analytics: occupancy, environment, bookings, sensors. Read-only, OAuth 2.1 login.
- Spain Payments (Stripe — cards / Apple Pay)Spain payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.
- Spark Apps CatalogueRead-only catalogue of the Spark apps: what each one does, its stack, and where it runs.
- SparkQuote NEC calculatorsNEC 2023 electrical calculators: wire size, ampacity, voltage drop, conduit fill, box fill, load.
- Sparks ScribeOfficial first-party facts about Sparks Scribe: what it is, pricing, trial.
- SpecProofSpecProof: Search standards specs with MCP-ready precision.
- Specter CiteGerman and EU law for AI assistants: statutes and case law in current wording, with sources.
- SpellarRead your Spellar meetings, transcripts and action items from an AI assistant, and update them.
- SpellwardenSpellwarden scans the skills and MCP servers your agents load and reports findings.
- SpendlineEnforce AI budgets before the model call and track cost per customer across 10 providers.
- SpendpointExpense ledger for AI assistants: record receipts line by line, ask what you spent, export anytime.
- Spick Me — Swiss public transportSwiss trains, trams, buses, boats: door-to-door journeys with pictures, boards, days out, reach maps
- Spider CloudCrawl, scrape, search the web, and automate browsers at scale with anti-bot bypass.
- Split (creator affiliate platform)Split affiliate platform: creators earn on product links, brands run creator campaigns and gifting.
- SpliteoSplit group expenses, settle debts and track budgets in 107 currencies. Needs Spliteo Premium.