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MCP servers published as npm packages: Singapore Business Directory to Snapsurf
8,832 servers in the MCP Registry are distributed as a Node.js package published to the npm registry. They run on the user's own computer and need Node.js; clients usually start it with npx.
| Server | Runs |
|---|---|
| Singapore Business DirectorySingapore business directory. Search companies, UENs, and SSIC industry classifications. | Remote & Local · HTTP, stdio |
| Singapore Business DirectorySingapore business directory. Search companies, UENs, and SSIC industry classifications. | Remote & Local · HTTP, stdio |
| Singapore MCP by OlanoSingapore public data, transport, rail, property, business, economy, weather, and analytics. | Local · stdio |
| Singapore Proxy MCPBrowse the web and run Google search through real Singapore mobile carrier IPs. | Remote & Local · HTTP, stdio |
| SipcodeContext hygiene for Claude Code: drift detection, re-read dedup, and token analytics. | Local · stdio |
| SirenMCP server for Siren diagramming — teach AI models to create diagrams with Siren syntax. | Local · stdio |
| Sisense MCP ServerMCP server leveraging Sisense Intelligence for actionable insights and analytics. | Local · stdio |
| Site MCPRead-only MCP server over robertdelanghe.dev's Sigstore-verified static API (stdio). | Local · stdio |
| Site-ShotWebsite screenshots for AI agents: full-page, country proxies, ad & cookie-banner removal. | Local · stdio |
| site-specMCP server: audit any website for SEO, accessibility, and AI-searchability, then auto-fix it. | Local · stdio |
| SiteauditAudit websites for accessibility, performance, SEO, design, and mobile. 47 WCAG checks. | Local · stdio |
| sitecurl.comRun website audits and track site health scores, findings, and regressions from any MCP client. | Local · stdio |
| siteglass.ioArchive any URL to a shareable rrweb/pdf/png snapshot + agent-driven web QA (scan, run E2E flows). | Local · stdio |
| SiteHealth MCPFull website health audit — SSL, DNS, DMARC/SPF/DKIM, performance, uptime, links. | Local · stdio |
| Sitelauncher MCP ServerDeploy live HTTPS websites in seconds. Instant subdomains or custom.xyz domains via USDC. | Local · stdio |
| Sites by ClizeShip a real marketing site from your coding agent: domain, HTTPS and a working inbox. | Local · stdio |
| situationatlas.comAI-summarized filings from 7 markets with special-situations screens, for research agents. | Local · stdio |
| Sixflags MCPSix Flags MCP for Claude — live wait times, park hours, shows, and day planning. | Local · stdio |
| SkarnScans AI coding sessions and assistant configs for leaked secrets and risky hooks; local, redacted. | Local · stdio |
| Skaut MCPTech product recommendations for Chile with real prices in CLP. | Local · stdio |
| SkeletIQHand a released SkeletIQ architecture to a coding agent: brief, build order, drift check. | Local · stdio |
| SketchdexAn MCP server that lets AI agents draw hand-drawn Excalidraw diagrams as files on your machine. | Local · stdio |
| sketchxflow.comDesign websites, apps and logos with SketchXFlow — and brief its development team. | Remote & Local · HTTP, stdio |
| Skia StudioMCP bridge to a live Skia Studio tab: AGSL/SkSL shader authoring, graph editing, screenshots. | Local · stdio |
| Skill Builder MCPSearch the skill-builder registry and auto-install skills for Claude Code, Cursor, and Codex. | Local · stdio |
| Skill DeckExpose local Agent Skills as adapter tools, MCP resources, MCP tools, and share artifacts. | Local · stdio |
| Skill MCPServes a directory of Agent Skills over MCP: list, load, read files, run declared scripts. | Local · stdio |
| SkillDBA registry of 5,900+ peer-authored skills any MCP agent can search and load on demand. | Remote & Local · HTTP, stdio |
| Skillfed MCPFind vetted agent skills for your task — privacy-preserving skill discovery over MCP. | Local · stdio |
| SkillflowSearch, discover, and install 500+ AI agent skills from the SkillFlow marketplace. | Local · stdio |
| SkillFM BeaconAI health, token usage, LLM cost optimization, BYOK vault, and cleanup audits for MCP agents. | Local · stdio |
| SkillmdSearch, fetch, lint, and install Agent Skills (SKILL.md) from the SkillMD registry. | Remote & Local · HTTP, stdio |
| SkillOS MCP ServerSkillOS MCP Runtime exposes the SkillOS skill registry as activatable MCP tools for AI agents. | Local · stdio |
| SkillproofCheck whether a Claude Code skill was tested and whether it works before installing it. | Local · stdio |
| Skills AnywhereDiscover and load Agent Skills from configured local directories and Git sources over stdio MCP. | Local · stdio |
| SkillselionOn-demand access to thousands of install-ranked Claude Code skills - search and load mid-task. | Local · stdio |
| SkillsindexSearch and score 11,000+ AI agent tools: MCP servers, Claude skills, GPT actions, IDE plugins. | Local · stdio |
| SkillsmithShare agent skills across your team, scan them for risk, and track what's actually used. | Local · stdio |
| SkillsSafe Security ScannerAI skill security scanner. Detects prompt injection, credential theft, ClawHavoc. Free, no signup. | Remote & Local · SSE, stdio |
| Skim402Clean markdown and structured web data. Free card API key; wallet/x402 pay-per-call optional. | Remote & Local · HTTP, stdio |
| SkimlessReading order for big pull requests: what to read first, what can wait. Offline, no model. | Local · stdio |
| Skolverket MCPMCP server for Skolverket's open APIs - Curriculum, School Units, and Adult Education. | Local · stdio |
| skopik.comYour org's AI agents, tasks, runs, search, and brain files as MCP tools and resources. | Remote & Local · HTTP, stdio |
| Skylight MCPSkylight Calendar for Claude — family events, chores, and rewards. | Local · stdio |
| Slac MCPMCP server exposing SLAC (Simple Logic & Arithmetic Compiler) as tools for LLM agents. | Local · stdio |
| SlackMCP server for Slack — read/write messages, manage threads, and react to messages. | Local · stdio |
| SlackRead and write Slack with session tokens — no OAuth, no bot, no admin approval. | Local · stdio |
| SlackSlack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages. | Local · stdio |
| Slack ↔ WxO MCP GatewayLifts WxO Slack limits: every-message wake-up, multi-channel MCP. https://markusvankempen.github.io/. | Local · stdio |
| Slack MCP ServerCatch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth. | Remote & Local · HTTP, stdio |
| sladd.noDetect and redact Norwegian PII (fodselsnummer, names, health data) in text and PDFs. | Remote & Local · HTTP, stdio |
| Slang WorkflowsProvable, declarative multi-agent workflows for Claude Code (typed.slang, non-LLM executor). | Local · stdio |
| Sleeper Fantasy MCP by UnClickSleeper fantasy football users, leagues, rosters, drafts, players, and matchups. By UnClick. | Local · stdio |
| slickfast.comJSON in. Chart or Page out. Same picture forever. Scientific plots included. | Remote & Local · HTTP, stdio |
| SlideMasterCreate AI presentation videos with slides, narration, TTS audio, and MP4 export from any topic. | Local · stdio |
| SlideshotConvert HTML to PDF/PNG/WebP/PPTX slide carousels with 11 themes — for LinkedIn, decks, posts. | Local · stdio |
| SlimaMCP Server for Slima - AI Writing IDE for Novel Authors with AI Beta Reader. | Remote & Local · HTTP, stdio |
| Slimdex MCPNarrow code retrieval for agents: outlines, symbol context, dep graph, persistent memory. | Local · stdio |
| SlimsnapYour recent screen captures as structured JSON your AI agent can read. Local only, no network. | Local · stdio |
| slivingdocDurable context for agents and people: shared notes with Git-style merges, no silent overwrites. | Local · stdio |
| Slope MCPProprietary B2B creator-velocity data: ranked board, live breakouts, and audience-growth curves. | Local · stdio |
| Slopsquat ScannerChecks declared npm/PyPI dependencies against real registries to catch slopsquatting. | Local · stdio |
| Slush Meme MCPAI-native meme coin launchpad on Avalanche. Deploy tokens, simulate trades, query risk. | Local · stdio |
| smailsFree disposable email for AI agents: a throwaway inbox to read verification codes over MCP. | Local · stdio |
| SmallprintThe small print of MCP servers, skills and plugins, hashed, diffed and graded, from the record. | Local · stdio |
| SmaraPersistent cross-platform memory for AI agents with Ebbinghaus decay scoring. | Local · stdio |
| Smart ConnectionsMCP server for Obsidian Connections. Semantic search using your vault's embeddings. | Local · stdio |
| Smart Connections MCPLocal semantic search over Obsidian vaults via Connections embeddings. Multi-vault, private. | Local · stdio |
| Smart Context MCPReduces AI agent token usage by 90% via context compression and task checkpoint persistence. | Local · stdio |
| Smart Data ExtractorData-extractor MCP server on Cloudflare Workers · REST + MCP JSON-RPC · free tier. | Remote & Local · HTTP |
| smart-webSmartfetch direct-URL fetch, smartsearch web search, smartcrawl, smartbrowser local browser actions. | Local · stdio |
| SmartBear MCPMCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J. | Remote & Local · HTTP, stdio |
| Smarter WeatherSmarter Weather MCP: forecasts, alerts, outlooks, observations, AQI, grids, and map imagery. | Remote & Local · HTTP, stdio |
| Smarter Weather Developer OnboardingAgent-first onboarding to Smarter Weather: plans, docs, signup, API keys, MCP config, billing. | Remote & Local · HTTP, stdio |
| Smartguard MCPSmartGuard MCP Server - AI-powered contract security audit tools for Claude Code, Cursor,... | Local · stdio |
| SmartipediaRead, search and edit Smartipedia, an open AI-native encyclopedia. No API key, no signup. | Remote & Local · HTTP, stdio |
| SmartpolicyRuntime authorization for AI agents and contracts via an immutable on-chain policy registry. | Local · stdio |
| smbCloud Mail & AuthEmail infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys. | Local · stdio |
| Smeltr Token-2022Validate Token-2022 configs (transfer fee, soulbound, delegate). Read-only — no keys or RPC. | Local · stdio |
| Smithsonian MCPMCP server for Smithsonian collections: artifacts, art, specimens. Free key. | Local · stdio |
| Smithsonian MCP ServerSearch 14.5M Smithsonian Open Access objects, get CC0 images, find cross-collection connections. | Remote & Local · HTTP, stdio |
| Smogon MCPUse this MCP server to competitive Pokemon, full dex data plus monthly Smogon usage statistics.... | Local · stdio |
| SmolanalyticsEnd-to-end tests from one sentence: an agent drives a real browser, and passing runs replay free. | Local · stdio |
| SmsReal SIM numbers for AI agents: SMS verification, rentals, proxies, cloud browser, x402 deposits. | Remote & Local · HTTP, stdio |
| Sms Florin MCPRent a real UK phone number and receive SMS/OTP codes — built for AI coding agents. | Local · stdio |
| SMTPMCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation. | Local · stdio |
| SMTPing Email VerificationVerify email addresses, clean lists and check spamtrap, disposable, spambot and complainer lists. | Local · stdio |
| SMX by Space Markets (testnet)SMX (Space Markets) testnet event markets and the Space Markets Index (SMI). Base Sepolia only. | Local · stdio |
| SN MCP ServerMulti-instance read-only MCP server for ServiceNow. | Local · stdio |
| SNAP ProtocolPrivate agent payments on Solana via ZK proofs: deposit, withdraw, list pools, estimate fees. | Local · stdio |
| Snapchat Ads MCP ServerSnapchat Ads management — CRUD, async reports, targeting, and audience estimates. | Remote & Local · HTTP, stdio |
| SnapDeployDeploy and manage SnapDeploy apps from your AI assistant: builds, logs, env vars, add-ons, domains. | Local · stdio |
| snapdiff.aiVisual-diff & change-detection tools that catch agentic UI drift for coding agents. | Local · stdio |
| SnapforgeScreenshots, PDFs and Markdown from any URL or HTML for AI agents, via the SnapForge API. | Remote & Local · HTTP, stdio |
| SnapmcpVisual capture MCP server: terminal colors, code, diffs, PDFs, GIFs. 13 tools, SSRF on by default. | Local · stdio |
| SnaprenderScreenshot, extract content, and render web pages. PNG/JPEG/WebP/PDF, batch, signed URLs. | Local · stdio |
| Snapshot SiteCapture screenshots, detect visual regressions between page versions, and analyze with AI. | Remote & Local · HTTP, stdio |
| Snapstack ServerLocal always-on server for SnapStack: browser capture intake + MCP over 127.0.0.1. | Local · stdio |
| SnapstatePersistent state for AI agent workflows. Save, resume, and replay multi-step workflows. | Local · stdio |
| SnapsurfWeb navigation and verification for AI agents: page digest, typed diff per action, assertions. | Local · stdio |