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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.

Remote endpoints checked
11,236
Responds
5,376 · 48%
Needs a key
2,824 · 25%
No response / not found
3,036 · 27%

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.

EndpointStatusLast checkedHow checkedOwner
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.

respondsMCP initialize · 8s limitRequest recheck
Signal Desk by LarryBuildsAI
https://proofbeforepay.vercel.app/signal-desk/mcp

Low-cost decision layer before high-stakes agent-tool spend.

not foundMCP initialize · 8s limitRequest recheck
Signal Desk by LarryBuildsAI
https://x402-resource-scanner.vercel.app/revenue/mcp

Paid decision preflights before larger agent tool spend.

respondsMCP initialize · 8s limitRequest recheck
Signal Desk by LarryBuildsAI
https://x402-resource-scanner.vercel.app/signal-desk/mcp

Paid decision preflights before larger agent tool spend.

not foundMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest 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)

respondsMCP initialize · 8s limitRequest recheck
signal-api
https://mcp.bitcoinintel.live/mcp/sse

Bitcoin 15-min prediction signals with on-chain commitment proofs. L402-gated.

no responseMCP initialize · 8s limitRequest recheck
signal-relay
https://mcp.sociologic.ai

Connect AI agents to SocioLogic's synthetic persona platform for market research.

needs a keyMCP initialize · 8s limitRequest recheck
signal-relay
https://mcp.sociologicai.com

Connect AI agents to SocioLogic's synthetic persona platform for market research.

needs a keyMCP initialize · 8s limitRequest recheck
Signal8
https://mcp.signal8.ai/mcp

SEC filings, dilution, insider & institutional ownership, and political-trade data for AI agents.

respondsMCP initialize · 8s limitRequest recheck
signaldaemon
https://api.signaldaemon.com/mcp

Narrative & signal intelligence for AI agents: crypto/AI/macro convergence & divergence.

respondsMCP initialize · 8s limitRequest recheck
Signaliz
https://api.signaliz.com/functions/v1/signaliz-mcp

B2B email verification, company signal enrichment, and governed GTM data pipelines.

needs a keyMCP initialize · 8s limitRequest recheck
signalpipe
https://api.signalpipe.io/mcp

Agentic Reddit/HN buying-signal detection for Claude Code, Cursor, and Windsurf via MCP.

no responseMCP initialize · 8s limitRequest recheck
signals
https://api.datahyena.com/mcp

Deduplicated, entity-resolved funding rounds, acquisitions, and exec moves as MCP tools.

respondsMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
signals
https://blacklight.observer/mcp

Realizability-gated Hyperliquid & Polymarket wallet copyability, risk & smart-money signals.

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signals
https://mcp.rivalsweeper.com/mcp

Pay-per-call eCommerce competitive intel: competitor pricing, promotions, AI-readiness scores.

respondsMCP initialize · 8s limitRequest recheck
SIGNALS Loyalty Agent Platform
https://signals.global/mcp

63 MCP tools for loyalty programs, rewards, and member operations with HITL approval.

needs a keyMCP initialize · 8s limitRequest recheck
Signed
https://mcp.signed.com

Angel investor portfolio, startup deal pipeline, and CRM data from your Signed account.

needs a keyMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
SigParser
https://ipaas.sigparser.com/api/mcp

Query contacts, companies, relationships, and communication metrics from SigParser.

needs a keyMCP initialize · 8s limitRequest 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.

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Silicon Analysts
https://siliconanalysts.com/api/mcp

Semiconductor data: AI accelerator costs, HBM, wafer pricing, packaging, chip cost calculator.

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Silicon Friendly
https://siliconfriendly.com/mcp

Directory rating websites on AI-agent-friendliness. L0-L5 taxonomy across 30 criteria.

respondsMCP initialize · 8s limitRequest recheck
SiliconBridge
https://siliconbridge.xyz/mcp

Human-in-the-loop API for AI agents. CAPTCHA, OTP, KYC, and approvals by real humans.

no responseMCP initialize · 8s limitRequest recheck
Simap
https://gateway.pipeworx.io/simap/mcp

simap MCP — Swiss public procurement tenders and awards (keyless).

respondsMCP initialize · 8s limitRequest recheck
Simbad
https://gateway.pipeworx.io/simbad/mcp

CDS SIMBAD — astronomical object database (~14M objects) via TAP/script

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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 keyMCP initialize · 8s limitRequest recheck
SIMcloud
https://simcloud.co.za/api/mcp.php

SIMcloud MCP server for wallet balance, network lookup, SMS, airtime, data, and electricity.

respondsMCP initialize · 8s limitRequest recheck
similarity-search-api-sdk
https://similarity-search-api-production.up.railway.app/mcp

Stateless NMI + cosine fusion with entropy-driven alpha calibration

respondsMCP initialize · 8s limitRequest recheck
simplefunctions
https://simplefunctions.dev/api/mcp/mcp

Calibrated world model for AI agents. 40 tools: world state, markets, trading. Kalshi + Polymarket.

respondsMCP initialize · 8s limitRequest recheck
simpletexting
https://simpletexting.usefulapi.io/mcp

Send SMS/MMS, manage contacts, and read campaigns, messages and media on SimpleTexting.

respondsMCP initialize · 8s limitRequest recheck
SimplyPrint
https://simplyprint.io/api/mcp

Manage your SimplyPrint 3D printer farm. Monitor, queue, and control prints from AI.

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SimplyScan
https://api.simplyscan.io/mcp

Security, SEO and AI-visibility scanner for web apps · free scans and focused checks via MCP.

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SimplyWarmup
https://simplywarmup.com/mcp

Hosted MCP server for inbox health, reporting, and warmup operations.

no responseMCP initialize · 8s limitRequest recheck
Simpson Strong-Tie Agent
https://simpson-strong-agent.onrender.com/mcp

Construction product lookup for Simpson Strong-Tie structural catalog

not foundMCP initialize · 8s limitRequest recheck
SimSense
https://my.simsense.ai/mcp

Deploy sims to any screen. Control your displays with Claude.

needs a keyMCP initialize · 8s limitRequest recheck
Simsima Connectivity
https://mcp.simsima.io/mcp

Search, recommend & buy travel eSIM data plans for 190+ destinations via AI agents.

respondsMCP initialize · 8s limitRequest recheck
SimStim
https://my.simstim.ai/mcp

Ambient intelligence platform. Connect Claude to any screen via MCP.

no responseMCP initialize · 8s limitRequest recheck
simulis — marketing brain
https://simulis.io/mcp

A business's marketing memory: campaigns, results, decisions, brand and audience knowledge.

needs a keyMCP initialize · 8s limitRequest recheck
Singapore Business Directory
https://sgpdirectory.com/mcp

Singapore business directory. Search companies, UENs, and SSIC industry classifications.

needs a keyMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest recheck
Singapore Procurement
https://gateway.pipeworx.io/singapore-procurement/mcp

Singapore Government Procurement MCP — GeBIZ tender awards (keyless).

respondsMCP initialize · 8s limitRequest recheck
singapore-proxy-mcp
https://mcp.singaporemobileproxy.com/mcp

Browse the web and run Google search through real Singapore mobile carrier IPs.

respondsMCP initialize · 8s limitRequest recheck
SingChat
https://mcp.singchat.org

Free live chat and AI support agent. Auto-create a workspace and embed from your AI editor.

respondsMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest recheck
Singstat Sg
https://gateway.pipeworx.io/singstat-sg/mcp

SingStat Table Builder MCP — Department of Statistics Singapore.

respondsMCP initialize · 8s limitRequest recheck
Singularity Marketplace MCP
https://mcp.x402layer.cc/mcp

MCP server for Singularity Marketplace - browse and discover APIs, products, and ERC-8004 agents

respondsMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest recheck
sinoconnection-esim-mcp
https://mcp.sinoconnection.com/mcp

China & Asia travel eSIM specialist. 200+ countries. No-VPN internet in China.

respondsMCP initialize · 8s limitRequest recheck
Sipflow
https://mcp.sipflow.dev/mcp

SIP/VoIP/telecom grounding for AI agents: vendor docs, RFCs, STIR/SHAKEN, traces, configs.

no responseMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest recheck
Sistaminuten travel search
https://www.sistaminuten.se/mcp

Realtime package holiday and charter flight prices from Sweden. Inventory not on Google Flights.

respondsMCP initialize · 8s limitRequest recheck
Sistat Si
https://gateway.pipeworx.io/sistat-si/mcp

Statistical Office of the Republic of Slovenia (SURS) — SiStat PxWeb MCP.

respondsMCP initialize · 8s limitRequest recheck
site
https://mcp.virohanalife.com/mcp

Query the Virohana website with your AI: services, products, journal. Open, read-only.

respondsMCP initialize · 8s limitRequest recheck
site-audit
https://api.santosautomation.com/mcp

Website intelligence audits for AI agents: free preview plus x402-paid Agent Readiness scoring

respondsMCP initialize · 8s limitRequest recheck
SiteGuardian
https://mcp.siteguardian.io

EU-hosted website monitoring + 17-framework compliance MCP. One anonymous tool, four authenticated.

respondsMCP initialize · 8s limitRequest recheck
Sitelemetry
https://sitelemetry.com/mcp

Authorized security, SEO, AI visibility, accessibility and performance audits.

needs a keyMCP initialize · 8s limitRequest recheck
SitesPlaced
https://sitesplaced.com/api/mcp

Build, edit, and publish real websites and online stores by chatting with your AI assistant.

needs a keyMCP initialize · 8s limitRequest recheck
SiteVitals
https://www.sitevitals.co.uk/api/mcp

Monitor website health, uptime, SEO, security and performance via your AI assistant.

needs a keyMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
Skala
https://ai.skala.io/mcp

Startup legal platform — incorporate globally, manage fundraising, corporate services, and more.

respondsMCP initialize · 8s limitRequest recheck
Skan Firmy
https://skanfirmy.pl/mcp

Weryfikacja polskich firm po NIP/KRS i unijnego VAT (VIES) z oficjalnych rejestrów UE.

respondsMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
Skew
https://skew.site/api/mcp

Authored design service: one-of-one landing pages, pitch decks, and research-grounded briefs.

respondsMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest recheck
Skiddle
https://gateway.pipeworx.io/skiddle/mcp

Skiddle MCP.

respondsMCP initialize · 8s limitRequest recheck
Skilder
https://app.skilder.ai/mcp

Run skills and MCP tools like production software: versioned, composed into roles, governed.

needs a keyMCP initialize · 8s limitRequest recheck
skill
https://doc2mcp.site/api/mcp/60778812-f202-41a2-964a-1cdea1a87f6a/mcp

MCP server for skill documentation, generated by doc2mcp.

no responseMCP initialize · 8s limitRequest recheck
Skill History
https://skill-history.com/mcp

Track download history for 70,000+ agent skills. Search and get daily snapshots.

needs a keyMCP initialize · 8s limitRequest recheck
Skill of Skills
https://skills.911fund.io/api/mcp

Quality-ranked, cross-platform directory of AI coding skills, plugins and MCP servers.

respondsMCP initialize · 8s limitRequest recheck
skill-audit-mcp
https://eltociear-skill-audit.hf.space/mcp

Scan agent skills and MCP servers for malicious patterns before you load them

respondsMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
skills-hub
https://api.skills-hub.ai/mcp

Search & install 6,500+ AI agent skills from skills-hub.ai inside any MCP tool.

respondsMCP initialize · 8s limitRequest recheck
SkillsSafe Security Scanner
https://mcp.skillssafe.com/sse

AI skill security scanner. Detects prompt injection, credential theft, ClawHavoc. Free, no signup.

no responseMCP initialize · 8s limitRequest recheck
SkinGrind
https://cloud.skingrind.com/mcp

CS2 skin prices, case odds and ROI, Armory value, and Trade Up contracts.

respondsMCP initialize · 8s limitRequest recheck
SkinKnowledgeBase Skincare Question and Answer MCP
https://mcp.skinknowledgebase.com/mcp

Skincare Question and Answer with cited products, ingredients, sources, and comparison context.

respondsMCP initialize · 8s limitRequest recheck
Skiplagged MCP
https://mcp.skiplagged.com/mcp

Skiplagged MCP Server for flight search, hotel booking, and travel planning

respondsMCP initialize · 8s limitRequest recheck
skipodds
https://skipodds.com/mcp

Fair sports win probabilities - bookmaker consensus, de-vigged to sum to 100%. 13 sports, 69+ books.

respondsMCP initialize · 8s limitRequest 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 foundMCP initialize · 8s limitRequest recheck
skulayer
https://skulayer.com/mcp

The agent-ready product data layer for ecommerce: audit, fix and serve product feeds.

needs a keyMCP initialize · 8s limitRequest recheck
Skyalo Travel Connectivity Guide
https://skyalo.com/chatgpt/mcp

Estimate mobile-data needs and build a provider-neutral connectivity checklist for any trip.

respondsMCP initialize · 8s limitRequest recheck
Skybridge Capitals Example
https://capitals.skybridge.tech

Example MCP and ChatGPT App based on Skybrdige framework showing capitals in a world map

respondsMCP initialize · 8s limitRequest recheck
Skybridge Ecommerce Example
https://ecommerce.skybridge.tech

Example MCP App based on Skybridge framework showing an e-commerce products based on request

respondsMCP initialize · 8s limitRequest recheck
Skybridge Everything App
https://everything.skybridge.tech

Example and testing ChatGPT and MCP App showcasing all the features of the Skybridge frameowrk

respondsMCP initialize · 8s limitRequest recheck
Skybridge Example MCP App
https://productivity.skybridge.tech

Skybridge Productivity MCP App Example

respondsMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest recheck
Skyvern
https://api.skyvern.com/mcp

AI-powered browser automation — navigate, click, fill forms, and extract data from any website.

needs a keyMCP initialize · 8s limitRequest recheck
slack
https://waystation.ai/slack/mcp

Send messages, access channels, and manage files in your Slack workspace.

needs a keyMCP initialize · 8s limitRequest recheck
slack
https://waystation.ai/slack/mcp/sse

Send messages, access channels, and manage files in your Slack workspace.

needs a keyMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
Slack_connect
https://gateway.pipeworx.io/slack_connect/mcp

Slack MCP Pack

respondsMCP initialize · 8s limitRequest recheck
Slacking.biz — SEC Financial Data + US Economics + Demographics
https://slacking.biz/mcp

28 MCP tools: SEC financials, FRED economics, Census demographics.

respondsMCP initialize · 8s limitRequest recheck
Slashr
https://mcp.slashr.dev/mcp

Validator incident data for AI agents across Solana, Ethereum, Sui, and Cosmos.

needs a keyMCP initialize · 8s limitRequest recheck
SlateHut
https://slatehut.com/api/mcp

AI website builder (Wix/Framer alt). SlateHut MCP over HTTP: tools, schemas. Bearer auth.

needs a keyMCP initialize · 8s limitRequest recheck
slavonic
https://slavonic.valksor.com/mcp

Grounds LLMs in real Church Slavonic: Wiktionary lemmas, dual-number paradigms, transliteration.

needs a keyMCP initialize · 8s limitRequest recheck
11,236 endpoints in this view