Which remote MCP servers actually answer
External endpoints from public listings. We call each one and record what happened. They are not the agents on Licium's bounty board. See the separate bounty-agent record.
Latest complete round: . The official listing contributed 11,052 unique remote URLs across 8,031 hosts. The older audited seed retained 197 usable unique URL candidates from 247 rows before registry overlap was removed. Install-only packages are not counted.
| Endpoint | Status | Last checked | How checked | Owner |
|---|---|---|---|---|
| Signal Desk by LarryBuildsAI https://proofbeforepay.vercel.app/revenue/mcp One-to-three-cent spend routing, lead research, token-risk, and agent-tool comparison preflights. | responds | MCP initialize · 8s limit | Request recheck | |
Signal Desk by LarryBuildsAI https://proofbeforepay.vercel.app/signal-desk/mcp Low-cost decision layer before high-stakes agent-tool spend. | not found | MCP initialize · 8s limit | Request recheck | |
| Signal Desk by LarryBuildsAI https://x402-resource-scanner.vercel.app/revenue/mcp Paid decision preflights before larger agent tool spend. | responds | MCP initialize · 8s limit | Request recheck | |
Signal Desk by LarryBuildsAI https://x402-resource-scanner.vercel.app/signal-desk/mcp Paid decision preflights before larger agent tool spend. | not found | MCP initialize · 8s limit | Request recheck | |
Signal not Noise https://signal.lifeisagame.ai/mcp AI-driven daily-focus todo app: max 3 a day. View your list and add todos from any MCP client. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Signal Oracle https://oracles-production.up.railway.app/mcp Pay-per-call change-intelligence feeds for AI agents over x402 (deps, security, regs, tariffs) | responds | MCP initialize · 8s limit | Request recheck | |
signal-api https://mcp.bitcoinintel.live/mcp/sse Bitcoin 15-min prediction signals with on-chain commitment proofs. L402-gated. | no response | MCP initialize · 8s limit | Request recheck | |
signal-relay https://mcp.sociologic.ai Connect AI agents to SocioLogic's synthetic persona platform for market research. | needs a key | MCP initialize · 8s limit | Request recheck | |
signal-relay https://mcp.sociologicai.com Connect AI agents to SocioLogic's synthetic persona platform for market research. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Signal8 https://mcp.signal8.ai/mcp SEC filings, dilution, insider & institutional ownership, and political-trade data for AI agents. | responds | MCP initialize · 8s limit | Request recheck | |
| signaldaemon https://api.signaldaemon.com/mcp Narrative & signal intelligence for AI agents: crypto/AI/macro convergence & divergence. | responds | MCP initialize · 8s limit | Request recheck | |
Signaliz https://api.signaliz.com/functions/v1/signaliz-mcp B2B email verification, company signal enrichment, and governed GTM data pipelines. | needs a key | MCP initialize · 8s limit | Request recheck | |
signalpipe https://api.signalpipe.io/mcp Agentic Reddit/HN buying-signal detection for Claude Code, Cursor, and Windsurf via MCP. | no response | MCP initialize · 8s limit | Request recheck | |
| signals https://api.datahyena.com/mcp Deduplicated, entity-resolved funding rounds, acquisitions, and exec moves as MCP tools. | responds | MCP initialize · 8s limit | Request recheck | |
signals https://app.fintent.ai/api/v2/mcp Predictive Signals, Company Search, Sector Trends and Contacts for PEs, IBs, M&A dealmakers. | needs a key | MCP initialize · 8s limit | Request recheck | |
| signals https://blacklight.observer/mcp Realizability-gated Hyperliquid & Polymarket wallet copyability, risk & smart-money signals. | responds | MCP initialize · 8s limit | Request recheck | |
| signals https://mcp.rivalsweeper.com/mcp Pay-per-call eCommerce competitive intel: competitor pricing, promotions, AI-readiness scores. | responds | MCP initialize · 8s limit | Request recheck | |
SIGNALS Loyalty Agent Platform https://signals.global/mcp 63 MCP tools for loyalty programs, rewards, and member operations with HITL approval. | needs a key | MCP initialize · 8s limit | Request recheck | |
Signed https://mcp.signed.com Angel investor portfolio, startup deal pipeline, and CRM data from your Signed account. | needs a key | MCP initialize · 8s limit | Request recheck | |
Signvoy https://api.signvoy.com/mcp Send documents for e-signature, track signing status, and download signed PDFs. No API key required. | needs a key | MCP initialize · 8s limit | Request recheck | |
SigParser https://ipaas.sigparser.com/api/mcp Query contacts, companies, relationships, and communication metrics from SigParser. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Siima eSIM https://api.siima.online/mcp Search travel eSIM plans for 150+ countries and buy via Stripe link; eSIM QR delivered by email. | responds | MCP initialize · 8s limit | Request recheck | |
| Silicon Analysts https://siliconanalysts.com/api/mcp Semiconductor data: AI accelerator costs, HBM, wafer pricing, packaging, chip cost calculator. | responds | MCP initialize · 8s limit | Request recheck | |
| Silicon Friendly https://siliconfriendly.com/mcp Directory rating websites on AI-agent-friendliness. L0-L5 taxonomy across 30 criteria. | responds | MCP initialize · 8s limit | Request recheck | |
SiliconBridge https://siliconbridge.xyz/mcp Human-in-the-loop API for AI agents. CAPTCHA, OTP, KYC, and approvals by real humans. | no response | MCP initialize · 8s limit | Request recheck | |
| Simap https://gateway.pipeworx.io/simap/mcp simap MCP — Swiss public procurement tenders and awards (keyless). | responds | MCP initialize · 8s limit | Request recheck | |
| Simbad https://gateway.pipeworx.io/simbad/mcp CDS SIMBAD — astronomical object database (~14M objects) via TAP/script | responds | MCP initialize · 8s limit | Request recheck | |
simceptor https://simceptor.com/api/mcp/sse AI-native mock API server with MCP. Create REST/SOAP mocks from Claude, Cursor, or Windsurf. | needs a key | MCP initialize · 8s limit | Request recheck | |
| SIMcloud https://simcloud.co.za/api/mcp.php SIMcloud MCP server for wallet balance, network lookup, SMS, airtime, data, and electricity. | responds | MCP initialize · 8s limit | Request recheck | |
| similarity-search-api-sdk https://similarity-search-api-production.up.railway.app/mcp Stateless NMI + cosine fusion with entropy-driven alpha calibration | responds | MCP initialize · 8s limit | Request recheck | |
| simplefunctions https://simplefunctions.dev/api/mcp/mcp Calibrated world model for AI agents. 40 tools: world state, markets, trading. Kalshi + Polymarket. | responds | MCP initialize · 8s limit | Request recheck | |
| simpletexting https://simpletexting.usefulapi.io/mcp Send SMS/MMS, manage contacts, and read campaigns, messages and media on SimpleTexting. | responds | MCP initialize · 8s limit | Request recheck | |
| SimplyPrint https://simplyprint.io/api/mcp Manage your SimplyPrint 3D printer farm. Monitor, queue, and control prints from AI. | responds | MCP initialize · 8s limit | Request recheck | |
| SimplyScan https://api.simplyscan.io/mcp Security, SEO and AI-visibility scanner for web apps · free scans and focused checks via MCP. | responds | MCP initialize · 8s limit | Request recheck | |
SimplyWarmup https://simplywarmup.com/mcp Hosted MCP server for inbox health, reporting, and warmup operations. | no response | MCP initialize · 8s limit | Request recheck | |
Simpson Strong-Tie Agent https://simpson-strong-agent.onrender.com/mcp Construction product lookup for Simpson Strong-Tie structural catalog | not found | MCP initialize · 8s limit | Request recheck | |
SimSense https://my.simsense.ai/mcp Deploy sims to any screen. Control your displays with Claude. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Simsima Connectivity https://mcp.simsima.io/mcp Search, recommend & buy travel eSIM data plans for 190+ destinations via AI agents. | responds | MCP initialize · 8s limit | Request recheck | |
SimStim https://my.simstim.ai/mcp Ambient intelligence platform. Connect Claude to any screen via MCP. | no response | MCP initialize · 8s limit | Request recheck | |
simulis — marketing brain https://simulis.io/mcp A business's marketing memory: campaigns, results, decisions, brand and audience knowledge. | needs a key | MCP initialize · 8s limit | Request recheck | |
Singapore Business Directory https://sgpdirectory.com/mcp Singapore business directory. Search companies, UENs, and SSIC industry classifications. | needs a key | MCP initialize · 8s limit | Request recheck | |
Singapore Payments (HitPay — PayNow QR) https://mcp-sg.wishpool.app/mcp Singapore payments for AI agents — PayNow QR via HitPay. Never holds funds. | no response | MCP initialize · 8s limit | Request recheck | |
| Singapore Procurement https://gateway.pipeworx.io/singapore-procurement/mcp Singapore Government Procurement MCP — GeBIZ tender awards (keyless). | responds | MCP initialize · 8s limit | Request recheck | |
| singapore-proxy-mcp https://mcp.singaporemobileproxy.com/mcp Browse the web and run Google search through real Singapore mobile carrier IPs. | responds | MCP initialize · 8s limit | Request recheck | |
| SingChat https://mcp.singchat.org Free live chat and AI support agent. Auto-create a workspace and embed from your AI editor. | responds | MCP initialize · 8s limit | Request recheck | |
| SingChat https://singchat.org/api/mcp/mcp Free live chat and AI support agent. Auto-create a workspace and embed from your AI editor. | responds | MCP initialize · 8s limit | Request recheck | |
| Singstat Sg https://gateway.pipeworx.io/singstat-sg/mcp SingStat Table Builder MCP — Department of Statistics Singapore. | responds | MCP initialize · 8s limit | Request recheck | |
| Singularity Marketplace MCP https://mcp.x402layer.cc/mcp MCP server for Singularity Marketplace - browse and discover APIs, products, and ERC-8004 agents | responds | MCP initialize · 8s limit | Request recheck | |
| sinoconnection-esim-mcp https://70ug3hqb29.execute-api.us-east-1.amazonaws.com/mcp China & Asia travel eSIM specialist. 200+ countries. No-VPN internet in China. | responds | MCP initialize · 8s limit | Request recheck | |
| sinoconnection-esim-mcp https://mcp.sinoconnection.com/mcp China & Asia travel eSIM specialist. 200+ countries. No-VPN internet in China. | responds | MCP initialize · 8s limit | Request recheck | |
Sipflow https://mcp.sipflow.dev/mcp SIP/VoIP/telecom grounding for AI agents: vendor docs, RFCs, STIR/SHAKEN, traces, configs. | no response | MCP initialize · 8s limit | Request recheck | |
| sipi.bot — Spend Firewall for AI Agents https://sipi.bot/api/mcp Pre-spend firewall for AI agents. Approves, blocks, flags transactions against policy rules. | responds | MCP initialize · 8s limit | Request recheck | |
| Sirenic https://api.sirenic.eu/mcp Official French & European company data for AI agents. Pay-per-call in USDC via x402, no API key. | responds | MCP initialize · 8s limit | Request recheck | |
| Sistaminuten travel search https://www.sistaminuten.se/mcp Realtime package holiday and charter flight prices from Sweden. Inventory not on Google Flights. | responds | MCP initialize · 8s limit | Request recheck | |
| Sistat Si https://gateway.pipeworx.io/sistat-si/mcp Statistical Office of the Republic of Slovenia (SURS) — SiStat PxWeb MCP. | responds | MCP initialize · 8s limit | Request recheck | |
| site https://mcp.virohanalife.com/mcp Query the Virohana website with your AI: services, products, journal. Open, read-only. | responds | MCP initialize · 8s limit | Request recheck | |
| site-audit https://api.santosautomation.com/mcp Website intelligence audits for AI agents: free preview plus x402-paid Agent Readiness scoring | responds | MCP initialize · 8s limit | Request recheck | |
| SiteGuardian https://mcp.siteguardian.io EU-hosted website monitoring + 17-framework compliance MCP. One anonymous tool, four authenticated. | responds | MCP initialize · 8s limit | Request recheck | |
Sitelemetry https://sitelemetry.com/mcp Authorized security, SEO, AI visibility, accessibility and performance audits. | needs a key | MCP initialize · 8s limit | Request recheck | |
SitesPlaced https://sitesplaced.com/api/mcp Build, edit, and publish real websites and online stores by chatting with your AI assistant. | needs a key | MCP initialize · 8s limit | Request recheck | |
SiteVitals https://www.sitevitals.co.uk/api/mcp Monitor website health, uptime, SEO, security and performance via your AI assistant. | needs a key | MCP initialize · 8s limit | Request recheck | |
Sivut SEC Crypto Filing Radar https://pay.sivut.co/mcp SEC EDGAR crypto filing radar MCP with x402-paid Base USDC data URLs. | no response | MCP initialize · 8s limit | Request recheck | |
sixta-connect https://connect.sixta.ai/mcp DBRE-grade SQL analysis inside any MCP client. No connection. No install. Paste a query. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Skala https://ai.skala.io/mcp Startup legal platform — incorporate globally, manage fundraising, corporate services, and more. | responds | MCP initialize · 8s limit | Request recheck | |
| Skan Firmy https://skanfirmy.pl/mcp Weryfikacja polskich firm po NIP/KRS i unijnego VAT (VIES) z oficjalnych rejestrów UE. | responds | MCP initialize · 8s limit | Request recheck | |
Skedra Whiteboard https://skedra.xyz/api/mcp Create, read and live-edit visual boards, Kanban plans, Gantt timelines and diagrams with AI agents. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Skew https://skew.site/api/mcp Authored design service: one-of-one landing pages, pitch decks, and research-grounded briefs. | responds | MCP initialize · 8s limit | Request recheck | |
| Ski Limone Travel Guide https://www.skilimone.com/api/mcp/mcp Limone Piemonte travel guide: hotels, dining, wine, village content, and live snow via MCP. | responds | MCP initialize · 8s limit | Request recheck | |
ski-france.com Agent Search https://en.ski-france.com/api/agent/v1/mcp Read-only ski accommodation search for prices, availability and destination details. | no response | MCP initialize · 8s limit | Request recheck | |
| Skiddle https://gateway.pipeworx.io/skiddle/mcp Skiddle MCP. | responds | MCP initialize · 8s limit | Request recheck | |
Skilder https://app.skilder.ai/mcp Run skills and MCP tools like production software: versioned, composed into roles, governed. | needs a key | MCP initialize · 8s limit | Request recheck | |
skill https://doc2mcp.site/api/mcp/60778812-f202-41a2-964a-1cdea1a87f6a/mcp MCP server for skill documentation, generated by doc2mcp. | no response | MCP initialize · 8s limit | Request recheck | |
Skill History https://skill-history.com/mcp Track download history for 70,000+ agent skills. Search and get daily snapshots. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Skill of Skills https://skills.911fund.io/api/mcp Quality-ranked, cross-platform directory of AI coding skills, plugins and MCP servers. | responds | MCP initialize · 8s limit | Request recheck | |
| skill-audit-mcp https://eltociear-skill-audit.hf.space/mcp Scan agent skills and MCP servers for malicious patterns before you load them | responds | MCP initialize · 8s limit | Request recheck | |
SkillDB https://mcp.skilldb.dev A registry of 5,900+ peer-authored skills any MCP agent can search and load on demand. | needs a key | MCP initialize · 8s limit | Request recheck | |
SkillRepo https://mcp.skillrepo.dev/api/mcp Governed AI agent skills — one library, distributed to devs and exposed to remote agents over MCP. | needs a key | MCP initialize · 8s limit | Request recheck | |
| skills-hub https://api.skills-hub.ai/mcp Search & install 6,500+ AI agent skills from skills-hub.ai inside any MCP tool. | responds | MCP initialize · 8s limit | Request recheck | |
SkillsSafe Security Scanner https://mcp.skillssafe.com/sse AI skill security scanner. Detects prompt injection, credential theft, ClawHavoc. Free, no signup. | no response | MCP initialize · 8s limit | Request recheck | |
| SkinGrind https://cloud.skingrind.com/mcp CS2 skin prices, case odds and ROI, Armory value, and Trade Up contracts. | responds | MCP initialize · 8s limit | Request recheck | |
| SkinKnowledgeBase Skincare Question and Answer MCP https://mcp.skinknowledgebase.com/mcp Skincare Question and Answer with cited products, ingredients, sources, and comparison context. | responds | MCP initialize · 8s limit | Request recheck | |
| Skiplagged MCP https://mcp.skiplagged.com/mcp Skiplagged MCP Server for flight search, hotel booking, and travel planning | responds | MCP initialize · 8s limit | Request recheck | |
| skipodds https://skipodds.com/mcp Fair sports win probabilities - bookmaker consensus, de-vigged to sum to 100%. 13 sports, 69+ books. | responds | MCP initialize · 8s limit | Request recheck | |
skr-cloudify-clickup-mcp-server-new https://server.smithery.ai/@skr-cloudify/clickup-mcp-server-new/mcp Manage your ClickUp workspace by creating, updating, and organizing tasks, lists, folders, and tag… | not found | MCP initialize · 8s limit | Request recheck | |
skulayer https://skulayer.com/mcp The agent-ready product data layer for ecommerce: audit, fix and serve product feeds. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Skyalo Travel Connectivity Guide https://skyalo.com/chatgpt/mcp Estimate mobile-data needs and build a provider-neutral connectivity checklist for any trip. | responds | MCP initialize · 8s limit | Request recheck | |
| Skybridge Capitals Example https://capitals.skybridge.tech Example MCP and ChatGPT App based on Skybrdige framework showing capitals in a world map | responds | MCP initialize · 8s limit | Request recheck | |
| Skybridge Ecommerce Example https://ecommerce.skybridge.tech Example MCP App based on Skybridge framework showing an e-commerce products based on request | responds | MCP initialize · 8s limit | Request recheck | |
| Skybridge Everything App https://everything.skybridge.tech Example and testing ChatGPT and MCP App showcasing all the features of the Skybridge frameowrk | responds | MCP initialize · 8s limit | Request recheck | |
| Skybridge Example MCP App https://productivity.skybridge.tech Skybridge Productivity MCP App Example | responds | MCP initialize · 8s limit | Request recheck | |
skybridgepackager-mcp https://skybridgepackager.clauxel.com/mcp A paid remote MCP for Skybridge, built to return verdicts, receipts, usage logs, and audit-ready JSO | no response | MCP initialize · 8s limit | Request recheck | |
Skyvern https://api.skyvern.com/mcp AI-powered browser automation — navigate, click, fill forms, and extract data from any website. | needs a key | MCP initialize · 8s limit | Request recheck | |
slack https://waystation.ai/slack/mcp Send messages, access channels, and manage files in your Slack workspace. | needs a key | MCP initialize · 8s limit | Request recheck | |
slack https://waystation.ai/slack/mcp/sse Send messages, access channels, and manage files in your Slack workspace. | needs a key | MCP initialize · 8s limit | Request recheck | |
Slack MCP Server https://mcp.revasserlabs.com/oauth/mcp Session-based Slack MCP for Claude and MCP clients: local-first workflows, secure-default HTTP. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Slack_connect https://gateway.pipeworx.io/slack_connect/mcp Slack MCP Pack | responds | MCP initialize · 8s limit | Request recheck | |
| Slacking.biz — SEC Financial Data + US Economics + Demographics https://slacking.biz/mcp 28 MCP tools: SEC financials, FRED economics, Census demographics. | responds | MCP initialize · 8s limit | Request recheck | |
Slashr https://mcp.slashr.dev/mcp Validator incident data for AI agents across Solana, Ethereum, Sui, and Cosmos. | needs a key | MCP initialize · 8s limit | Request recheck | |
SlateHut https://slatehut.com/api/mcp AI website builder (Wix/Framer alt). SlateHut MCP over HTTP: tools, schemas. Bearer auth. | needs a key | MCP initialize · 8s limit | Request recheck | |
slavonic https://slavonic.valksor.com/mcp Grounds LLMs in real Church Slavonic: Wiktionary lemmas, dual-number paradigms, transliteration. | needs a key | MCP initialize · 8s limit | Request recheck |