MCP servers
MCP servers let AI assistants such as Claude, ChatGPT and Cursor use outside tools and data. 6,754 servers so far, found in the official MCP registry, GitHub and npm. Each fact links to where we read it.
- Sentinel for StacksStacks contract monitoring: add a watch in one line, get alerts. Hosted, browser sign-in.
- SentinelX MCPOperate Linux, macOS and Windows from your LLM. Every action runs through an auditable allowlist.
- SeolyticsSEO & GEO data: keywords, live SERPs with AI Overviews, backlinks, site audits, rank tracking.
- Serbia Invoices (SEF eFaktura national API)Serbia SEF eFaktura invoices for AI agents: build UBL 2.1 SRB-CIUS, upload to SEF, query, cancel.
- SerenoA cron job monitor your AI agent sets up and can ask why a job failed. Free for up to 200 checks.
- ServanaSearch and message local service vendors (cleaning, med spa, yoga, personal training) by city.
- Service Engineer AIMedical equipment troubleshooting and spare parts lookup for biomedical and service engineers.
- Shadow AI ListRisk-ranked registry of AI tools: look up an AI tool's risk or check if a domain is shadow AI.
- ShagerSchedule posts and videos to many social accounts at once, with a tracked link for each account.
- ShareMyPageHost the HTML or Markdown pages your AI generates and share each as a link with comments and access.
- SharebenchSharebench — search & pull AI skills, agents, prompts & playbooks (SKILL.md) into any MCP client
- SharematesRead your Sharetribe marketplace's listings, users, transactions and events through Sharemates.
- SharksAPI.AIMarketing data and actions for AI agents: GA4, Search Console, ads, social, SEO and WordPress.
- Sharpest price searchCurrent new and used prices for GPUs, electronics, trading cards, LEGO and everyday staples.
- Shiko Mind MapsRead and edit shared mind maps. Your team sees each change live and can undo any edit.
- Shiny GenAI game maker: build, run, screenshot and play-test Godot and retro console games in a live project
- ShipNoteSave thank-you postcards as a draft from a registry or guest list. ShipNote prints and mails them.
- ShipSafe — Independent security verificationIndependent security review for AI-built apps: exposed secrets, broken auth, unsafe data access.
- ShipSmarter ShippingTrack parcels, compare live carrier rates and find drop-off points for online sellers.
- ShiplightAn MCP server that provides browser automation
- ShipppA connected canvas for the builders of the next era.
- ShipstarGenerate changelogs, release emails, help-center articles, banners, and social posts from commits.
- Shop NobiSearch products from independent stores. Read-only remote MCP; no sign-in. Buy on merchant sites.
- ShopSafe URL verificationURL risk evidence with scoped OAuth/API keys, capped prepaid costs and up to ten URLs per batch.
- ShopemailDesign, preview, and export Shopify notification emails in your authorized Shopemail theme.
- ShopsBuilder — AI Store BuilderLaunch and manage online stores with AI agents: products, inventory, pricing, orders and promotions.
- ShoreGradeFind well-reviewed local businesses in Georgian Bay and Simcoe County, Ontario.
- ShortiWhat short-form formats to shoot this week, how their hits were made, and a check of your take.
- ShortySummarize and transcribe videos, audio, documents and web pages; subtitles; search your library.
- ShotClick ScreenwritingYour AI writes inside real screenplays: formatted scenes, locked numbering, outlines, research.
- ShotleePeptide and GLP-1 dosing math (dose to syringe units) plus search over Shotlee's articles.
- ShreddyMeasured mountain bike jumps and speeds at bike parks: public clips, read-only.
- ShuffleRuns your Instagram, Facebook, TikTok, YouTube and Google Business: posts, DMs, comments, reviews.
- Sickle — every mailbox for your agentGmail, Outlook, iCloud, Fastmail and any IMAP mailbox for your agent. Scoped OAuth, approved sends.
- Sienna, Knobs.co hardware advisorKnobs.co cabinet-hardware advisor: sizing, fits, finishes, prices, plans, cart and sample links.
- SigilBrand reviews from a public website and an optional product document.
- Sign PDFSend a PDF, a Google Doc or Markdown for e-signature from chat, and get the signed PDF back.
- SignSimpleSend PDFs for legally binding e-signature, free and unlimited. Track status; free legal templates.
- Signal BeamServer-side conversion tracking: check setup, read attribution and events, propose changes.
- SignalHarness.ai330 production AI-agent services for data, validation, AI, crypto, and x402 pay-per-use.
- SimFuse eSIM StorefrontTravel eSIMs for 200+ countries. Browse plans, price a multi-country trip, and open a checkout.
- Simple HostPublish websites with a small backend (KV, SQLite, files). MCP for AI agents.
- SimpleServeFind AI agents, delegate research and other tasks, and get results in your AI assistant.
- Simpler.AsiaFree back office for small businesses in Singapore and Southeast Asia: invoices, expenses, stock.
- Simplio3D - 3D CPQ and Product ConfigurationInspect, validate and safely edit 3D product configurators: options, pricing, materials and rules.
- SimploSocial media for founders and small businesses: write, illustrate and schedule posts from your AI.
- Singapore Buying Desk (Connective Labs)Firm SGD quotes and delivery in Singapore for office and IT supplies, ink, toner and event print
- Singapore Payments (HitPay — PayNow QR)Singapore payments for AI agents — PayNow QR via HitPay. Never holds funds.
- Singular HouseYour house in 3D from its plans, then finishes and furniture on it; every change waits for your yes.
- SinoGate MCP ServerUse Chinese LLMs through the SinoGate OpenAI-compatible API.
- SinthomaRead-only Sinthoma clinical connector: patients, sessions and prep; OAuth consent and audit.
- SirenDeterministic visual marketing engine. Your agent plans, renders, and posts on-brand campaigns.
- SiteRender APIFetch public web pages live and get clean Markdown, text or HTML.
- 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.
