Streamable HTTP · page 136 of 169
Remote MCP servers: Streamable HTTP: SigRank — AI Operator Benchmarking to Skill of Skills
The current MCP transport for servers reached over the network: one HTTPS endpoint that the client sends JSON-RPC messages to with POST, and that can answer with a single JSON response or a stream of server-sent events.
| Server | Runs |
|---|---|
| SigRank — AI Operator BenchmarkingSigRank benchmark MCP: cascade metrics, leaderboard, operator profiles, simulation, diagnostics. | Remote · HTTP |
| Sigstore RekorSigstore Rekor — the public transparency log for software signatures. | Remote · HTTP |
| sigtap Agent Tools13 paid x402 tools, USDC/Base. Free check: GET /preview<path>=200 sample. Copy-paste pay: /llms.txt. | Remote · HTTP |
| SigVestPortfolio-aware finance tools: drift, risk, earnings, benchmarks, news, tax harvesting. | Remote · HTTP |
| Siima eSIMSearch travel eSIM plans for 150+ countries and buy via Stripe link; eSIM QR delivered by email. | Remote · HTTP |
| Silent Directive ToolsFree tools: 2026 API shutdown scanner, small-business website auditor, photo resale estimator. | Remote · HTTP |
| Silicon AnalystsDated, sourced semiconductor data: chip costs, HBM/wafer pricing, fab capacity, policy, forecasts. | Remote · HTTP |
| Silicon FriendlyDirectory rating websites on AI-agent-friendliness. Search, lookup, and submit. | Remote · HTTP |
| Silicon Valley AtlasSearch startups and founders, match companies to products, and manage outreach lists. | Remote · HTTP |
| SimapSimap MCP — Swiss public procurement tenders and awards (keyless). | Remote · HTTP |
| SimceptorAI-native mock API server with MCP. Create REST/SOAP mocks from Claude, Cursor, or Windsurf. | Remote · HTTP |
| SIMcloudSouth African MCP server for airtime, data, SMS, VAS, electricity, balance, and network lookup. | Remote · HTTP |
| Similaridade de Identidade (Argentina)Compares the provided data of a person in Argentina (DNI, name, birth, address) and returns the simi. | Remote · HTTP |
| Similaridade de Identidade (Brasil)Compares the provided data of a person in Brazil (CPF, name, birth, address) and returns the similar. | Remote · HTTP |
| Similaridade de Identidade (México)Compares the provided data of a person in Mexico (CURP, name, birth, address) and returns the simila. | Remote · HTTP |
| Similarity Search Api SdkStateless NMI + cosine fusion with entropy-driven alpha calibration. | Remote · HTTP |
| SimilarwebSimilarweb: Similarweb API allows you to access insights into web analytics and online. | Remote · HTTP |
| SimmaYour swim, run and ride training, explained. For coaches and athletes, computed from Garmin data. | Remote · HTTP |
| Simple GptSimple GPT: A simple floating widget allows you to access the AI assistant immediately from. | Remote · HTTP |
| Simple Lab Tools Label MakerCreate printable cryogenic lab, sample, tube and QR label sheets. Six templates; free, no login. | Remote · HTTP |
| SimpleFeed MCPSearch rights-cleared news and video from entitled publisher catalogs. | Remote · HTTP |
| SimpleFeed MCP Free DiscoveryFree discovery search of rights-cleared news across entitled catalogs. | Remote · HTTP |
| SimplefunctionsCalibrated world model for AI agents. 40 tools: world state, markets, trading. Kalshi + Polymarket. | Remote & Local · HTTP, stdio |
| SimplepagesBuild and edit landing pages and websites from your AI assistant, and pull how they are performing. | Remote · HTTP |
| SimplepushSend tasks and notifications to people's phones. Answers build a queryable knowledge base. | Remote & Local · HTTP, stdio |
| Simples NacionalLooks up a company's status in the Simples Nacional tax regime from the CNPJ, including opt-in and b. | Remote · HTTP |
| SimpleServeFind AI agents, delegate research and other tasks, and get results in your AI assistant. | Remote · HTTP |
| SimpletextingSend SMS/MMS, manage contacts, and read campaigns, messages and media on SimpleTexting. | Remote · HTTP |
| Simpliers GiveawayRun transparent giveaways on Instagram, X, TikTok and YouTube posts. Draw in your browser. | Remote · HTTP |
| Simplio3D - 3D CPQ and Product ConfigurationInspect, validate and safely edit 3D product configurators: options, pricing, materials and rules. | Remote · HTTP |
| SimplyPrint: 3D Print Farm Management3D print farm management for AI. Monitor, queue, and control prints on your SimplyPrint account. | Remote · HTTP |
| SimplyScanSecurity, SEO and AI-visibility scanner for web apps · free scans and focused checks via MCP. | Remote · HTTP |
| SimplyWarmupHosted MCP server for inbox health, reporting, and warmup operations. | Remote · HTTP |
| Simpson Strong-Tie AgentConstruction product lookup for Simpson Strong-Tie structural catalog. | Remote · HTTP |
| Simsima ConnectivitySearch, recommend & buy travel eSIM data plans for 190+ destinations via AI agents. | Remote · HTTP |
| simulis — marketing brainA business's marketing memory: campaigns, results, decisions, brand and audience knowledge. | Remote · HTTP |
| Since.devWatch dependencies, verify facts, inspect coverage, and catch up on changes with durable cursors. | Remote · HTTP |
| Singapore ACRA Company & UEN LookupSingapore ACRA (Bizfile) company search by name, UEN, SSIC industry code, entity type and status. | Remote · HTTP |
| 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 ProcurementSingapore Government Procurement MCP — GeBIZ tender awards (keyless). | Remote · HTTP |
| Singapore Proxy MCPBrowse the web and run Google search through real Singapore mobile carrier IPs. | Remote & Local · HTTP, stdio |
| SingChatFree live chat and AI support agent. Auto-create a workspace and embed from your AI editor. | Remote · HTTP |
| SingleFaxSend a fax from Claude, ChatGPT, or Cursor. Upload a PDF, pay, get delivery status. | Remote · HTTP |
| Singstat SgSingStat Table Builder MCP — Department of Statistics Singapore. | Remote · HTTP |
| Singularity - MCP Discovery & Security GatewayFind, vet, and run MCP tools through a secure audited gateway with prompt-injection risk scoring. | Remote · HTTP |
| Singularity Layer MCPMCP for Singularity Layer - discover listings, manage assets, run payment flows, and use agents. | Remote · HTTP |
| Sinh Vũ StudioSinh Vũ Studio (Vietnam brand design): services, sectors, cases, price bands, articles. Read-only. | Remote · HTTP |
| Sinoconnection Esim MCPChina & Asia travel eSIM specialist. 200+ countries. No-VPN internet in China. | Remote · HTTP |
| Sintegra (Cadastros Estaduais)Looks up the state taxpayer registration of a person or company in Sintegra from the CPF or CNPJ, st. | Remote · HTTP |
| Sintegra CCCLooks up the centralized taxpayer registry (CCC) in Sintegra for a person or company from the CPF or. | Remote · HTTP |
| Sintegra CCC CompletaFull lookup of the centralized taxpayer registry (CCC) in Sintegra for a person or company from the. | Remote · HTTP |
| SipflowSIP/VoIP/telecom grounding for AI agents: vendor docs, RFCs, STIR/SHAKEN, traces, configs. | Remote · HTTP |
| sipi.bot — Spend Firewall for AI AgentsPre-spend firewall for AI agents. Approves, blocks, flags transactions against policy rules. | Remote · HTTP |
| sipitenoGlobal expansion intelligence: country info, expansion cost estimates, competitor analysis. | Remote · HTTP |
| SirenDeterministic visual marketing engine. Your agent plans, renders, and posts on-brand campaigns. | Remote · HTTP |
| SirenicOfficial French and European company data for AI agents, paid per call (x402) or by API key. | Remote · HTTP |
| Sirveil ExposureIs this person indexed on that data-broker domain? A three-state verdict, with the evidence. | Remote · HTTP |
| Sistaminuten travel searchRealtime package holiday and charter flight prices from Sweden. Inventory not on Google Flights. | Remote · HTTP |
| Sistat SiStatistical Office of the Republic of Slovenia (SURS) — SiStat PxWeb MCP. | Remote · HTTP |
| Site AuditDiscover a site's pages from its sitemap and sample them for WCAG and prompt-injection risk. | Remote · HTTP |
| Site AuditWebsite intelligence audits for AI agents: free preview plus x402-paid Agent Readiness scoring. | Remote · HTTP |
| Site CheckLook at what your website or online store tells crawlers, link previews and AI agents. | Remote · HTTP |
| Site MCPTurn any public website into an MCP server for agents to search, read and navigate. | Remote · HTTP |
| Site PassportLive-checks whether a WordPress site is ready to be safely operated by AI agents. | Remote · HTTP |
| Site Rep MCPRead-only Site Rep handoff: agent brief, pending work, first-customer receipt with payment evidence. | Remote · HTTP |
| SitecombA digital audit for small-business websites: a score out of 100 and the main problems. | Remote · HTTP |
| SitectrlYour AI builds real hosted websites: describe it, get a live site with SSL, forms, analytics. Free. | Remote · HTTP |
| SiteGPTManage SiteGPT chatbots and account resources through the SiteGPT API v2. | Remote · HTTP |
| SiteGPT DocsSearch the SiteGPT documentation: setup, features, API reference, troubleshooting. | Remote · HTTP |
| SiteGuardianEU-hosted website monitoring + 17-framework compliance MCP. One anonymous tool, four authenticated. | Remote · HTTP |
| SiteHelmLet an AI agent run your WordPress site: every write previewed, verified and reversible. | Remote · HTTP |
| SiteizCheck which AI crawlers a site allows and see pages the way AI crawlers do. Free, read-only. | Remote · HTTP |
| SitelasBuild a real website from a chat — then run it: read messages, check traffic, publish changes. | Remote · HTTP |
| SitelemetryOAuth website audits: security, SEO, AI visibility, integrations, accessibility and performance. | Remote · HTTP |
| Sitemap StatsSitemap Stats MCP — reads a domain's sitemap(s) and reports their STRUCTURE,. | Remote · HTTP |
| Sitemap URL Extractor for AI AgentsX402 sitemap discovery and URL extraction for agents. $0.0001 per emitted URL. | Remote · HTTP |
| sitepulsar.aiSitePulsar AEO audits: fetch FIND/READ/USE agent-readiness scores for any website. | Remote · HTTP |
| sitesai.netSitesAI App for civil/earthworks contractors: leads, jobs, shifts, dockets, sites, compliance. | Remote · HTTP |
| SitesPlacedBuild, edit, and publish real websites and online stores by chatting with your AI assistant. | Remote · HTTP |
| Sitey — free subdomainsClaim a working subdomain in one call — A, CNAME and TXT records. No domain to buy, no account. | Remote · HTTP |
| Situação CadastralCheck the registration status of a Brazilian CPF against official sources (name, status, birthdate,. | Remote · HTTP |
| Situação da CNHChecks the status of a person's driver's license (CNH) from the CPF. Built for the holder to check t. | Remote · HTTP |
| Situação Eleitoral (TSE)Looks up a person's voter status at the Electoral Court (TSE) from the name, date of birth, CPF, and. | Remote · HTTP |
| Sivut SEC Crypto Filing RadarSEC EDGAR crypto filing radar MCP with x402-paid Base USDC data URLs. | Remote · HTTP |
| Sixta ConnectDBRE-grade SQL analysis inside any MCP client. No connection. No install. Paste a query. | Remote · HTTP |
| skanfirmy.plVerify Polish companies by NIP/KRS/REGON + EU VAT (VIES). 14 MCP tools (9 no-key). | Remote · HTTP |
| SkärgårdsKollen — Stockholm ArchipelagoStockholm archipelago boats: realtime departures, trip planning, disruptions, island guides. | Remote · HTTP |
| Skateboard PersonalizadoTurn your artwork into a real custom skateboard deck, shown assembled in 3D, with a link to order. | Remote · HTTP |
| Skedra WhiteboardCreate, read and live-edit visual boards, Kanban plans, Gantt timelines and diagrams with AI agents. | Remote · HTTP |
| SketchlibSearch a large 3D model library and download converted GLB/FBX/USDZ assets via signed URLs. | Remote · HTTP |
| sketchxflow.comDesign websites, apps and logos with SketchXFlow — and brief its development team. | Remote & Local · HTTP, stdio |
| SkewAuthored design service: one-of-one landing pages, pitch decks, and research-grounded briefs. | Remote · HTTP |
| Ski Limone Travel GuideLimone Piemonte travel guide: hotels, dining, wine, village content, and live snow via MCP. | Remote · HTTP |
| SkifflyDeploy apps and databases on Skiffly: projects, services, deployments, logs, variables, domains. | Remote · HTTP |
| SkilderOne place to build, share, and govern the skills and tools your AI agents use at work. | Remote · HTTP |
| Skill Audit MCPMCP server: static security scanner for MCP servers, agent skills & plugins. 17 attack patterns. | Remote & Local · HTTP, stdio |
| Skill HistoryTrack download history for 70,000+ agent skills. Search and get daily snapshots. | Remote · HTTP |
| Skill MarketX402 skill catalog on lvlltd.com — search, quote, pay with Base USDC, sealed packs. | Remote · HTTP |
| Skill of SkillsQuality-ranked, cross-platform directory of AI coding skills, plugins and MCP servers. | Remote · HTTP |