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 |
|---|---|---|---|---|
Selis MCP https://mcp.selis.dev/tmis/sse MCP server for Selis TMiS — manage PMO entities from any MCP client | needs a key | MCP initialize · 8s limit | Request recheck | |
| sella https://sellag.vercel.app/api/mcp Marketplace where AI agents buy datasets and API access, pay per call in USDC over x402. | responds | MCP initialize · 8s limit | Request recheck | |
seltz-ai-seltz-mcp https://mcp.seltz.ai/mcp Provides AI assistants with access to Seltz's powerful Web Search capabilities. | needs a key | MCP initialize · 8s limit | Request recheck | |
selvo https://app.selvo.co/mcp Help center for SaaS teams. 14-tool MCP server for articles, collections, and search. | needs a key | MCP initialize · 8s limit | Request recheck | |
semantic-search https://www.historicalsoundscapes.com/mcp/api Semantic search for Historical Soundscapes. Search eventos, entities, filters. Cross-lingual ES/EN. | not found | MCP initialize · 8s limit | Request recheck | |
| Semanticscholar https://gateway.pipeworx.io/semanticscholar/mcp Semantic Scholar Academic Graph MCP. | responds | MCP initialize · 8s limit | Request recheck | |
Sematryx AEAO Optimizer https://mcp.sematryx.com/sse AI-powered optimization API via the AEAO Engine | no response | MCP initialize · 8s limit | Request recheck | |
semblecodesearchgate-mcp https://semblecodesearchgate.clauxel.com/mcp Paid remote MCP for agent code search routing MCP, structured receipts, audit logs, and reviewer-rea | no response | MCP initialize · 8s limit | Request recheck | |
Semilattice - audience prediction https://mcp.semilattice.ai Semilattice lets agents make predictions about audiences for content testing and decision making. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Semiotic https://semiotic-mcp-server-481507046413.us-west1.run.app/mcp Verified React chart generation: select, validate, repair, render, and inspect charts through MCP. | responds | MCP initialize · 8s limit | Request recheck | |
| Semrush https://gateway.pipeworx.io/semrush/mcp Semrush MCP Pack — SEO analytics via the Semrush Analytics API. | responds | MCP initialize · 8s limit | Request recheck | |
semrush-appcenter https://mcp.mcparmory.com/semrush-appcenter Manage subscriptions, users, and send event notifications for Semrush apps | no response | MCP initialize · 8s limit | Request recheck | |
| Semver https://gateway.pipeworx.io/semver/mcp Semantic Versioning (semver) MCP. | responds | MCP initialize · 8s limit | Request recheck | |
Senado BR MCP https://senado-br-mcp.sidneybissoli.workers.dev/mcp Brazilian Federal Senate open data over MCP — legislative + administrative, 90 tools. | no response | MCP initialize · 8s limit | Request recheck | |
Senado BR MCP https://senado.sidneybissoli.com/mcp Brazilian Federal Senate open data over MCP — legislative + administrative, 90 tools. | no response | MCP initialize · 8s limit | Request recheck | |
| Senate Lobbying https://gateway.pipeworx.io/senate-lobbying/mcp US Senate Lobbying Disclosure (LDA) MCP. | responds | MCP initialize · 8s limit | Request recheck | |
| Send That Email https://gateway.pipeworx.io/send-that-email/mcp send-that-email MCP — wraps StupidAPIs (requires X-API-Key) | responds | MCP initialize · 8s limit | Request recheck | |
| Send Your Agent Website Readiness https://sendyouragent.com/mcp Scan website AI readiness, understand the result and route customers to the right SYA package. | responds | MCP initialize · 8s limit | Request recheck | |
send-decision https://mcp.inboxpolicy.com Send-decision email verification: agents get send/review/avoid with evidence, pay-per-call via x402. | needs a key | MCP initialize · 8s limit | Request recheck | |
| send16-mcp https://mcp.send16.com/mcp Email for AI agents: send mail, manage contacts, automations & webhooks. Zero-DNS first send. | responds | MCP initialize · 8s limit | Request recheck | |
| sendbird https://sendbird.usefulapi.io/mcp MCP server for Sendbird — chat users, channels, members, and messages from your AI client. | responds | MCP initialize · 8s limit | Request recheck | |
SenderKit https://mcp.senderkit.com Build and send email, SMS, and push straight from your AI agent. | needs a key | MCP initialize · 8s limit | Request recheck | |
senders-mcp https://mcp.senders.ai/mcp Cold email infrastructure — campaigns, prospects, mailbox health and replies via Claude. | no response | MCP initialize · 8s limit | Request recheck | |
SendFast https://sendfast.ai/api/mcp Agent-native marketing email: draft, edit, screenshot, and send from your verified domain. | needs a key | MCP initialize · 8s limit | Request recheck | |
| sendgrid https://sendgrid.usefulapi.io/mcp Send email and read templates, marketing contacts, lists, stats, bounces and unsubscribes. | responds | MCP initialize · 8s limit | Request recheck | |
Sendhey https://sendhey.app/mcp Turn AI-built work into tracked, gated share links your clients can open. | needs a key | MCP initialize · 8s limit | Request recheck | |
sendifai https://www.sendifai.com/api/mcp CRM, mass email/SMS, pastoral care, giving, events for churches & nonprofits. 134+ MCP tools. | needs a key | MCP initialize · 8s limit | Request recheck | |
Sendinel https://sendinel.ai/mcp AI-controlled email ops for campaigns, contacts, segments, analytics, and sending. | needs a key | MCP initialize · 8s limit | Request recheck | |
| SendIt https://sendit.infiniteappsai.com/mcp AI-native social media publishing to LinkedIn, Instagram, Threads, TikTok, and X. | responds | MCP initialize · 8s limit | Request recheck | |
Sendmux MCP https://mcp.sendmux.ai/mcp Email inbox API for AI agents with MCP tools for Mailbox, Management, and Sending APIs. | needs a key | MCP initialize · 8s limit | Request recheck | |
sendpage https://sendpageapp.com/mcp Publish an HTML document as a link anyone can open in one tap, plus PDF, image and Word export. | needs a key | MCP initialize · 8s limit | Request recheck | |
SendPulse https://mcp.sendpulse.com/mcp Empower AI agents with SendPulse email, CRM, chatbot, SMTP, and course automation | needs a key | MCP initialize · 8s limit | Request recheck | |
SendQuoteNow — AI Quote Engine for Contractors https://sendquotenow.com/mcp Generate branded contractor quotes: hosted approval page, PDF, QR code, and Stripe payment link. | needs a key | MCP initialize · 8s limit | Request recheck | |
| SendThisFax https://www.sendthisfax.com/mcp Send real faxes to EU institutions: pay per fax via checkout link or prepaid API key. | responds | MCP initialize · 8s limit | Request recheck | |
Senegal Payments (Flutterwave — Orange Money / Wave) https://mcp-sn.wishpool.app/mcp Senegal payments for AI agents — Orange Money / Wave via Flutterwave. Never holds funds. | no response | MCP initialize · 8s limit | Request recheck | |
| Seneschal Data https://mcp.seneschal.space Live DeFi liquidation, Ethereum builder & Monero/Zcash data over MCP. Free, no key; x402 premium. | responds | MCP initialize · 8s limit | Request recheck | |
Sensact https://helavgrvwipmdvyejfom.supabase.co/functions/v1/mcp An authenticated remote MCP server for user-owned devices and one-shot capability invocation. | no response | MCP initialize · 8s limit | Request recheck | |
| Sense2 Promotional Products https://sense2.com.au/api/mcp Search 4,803 promotional products across 680 categories with live pricing. | responds | MCP initialize · 8s limit | Request recheck | |
| SentEdge Idea Machine https://sentedge.ai/mcp Buy adversarially-debated AI product ideas over x402: $0.10 pulls, $1 buyouts, USDC on Base. | responds | MCP initialize · 8s limit | Request recheck | |
sentient-brain-smithery--mbpfws.run.tools https://sentient-brain-smithery--mbpfws.run.tools | not found | MCP initialize · 8s limit | Request recheck | |
Sentimatix https://sentimatix-mcp.up.railway.app/mcp Real-time NSE/BSE stock sentiment, news NLP, technical analysis & RAG search via MCP. | not found | MCP initialize · 8s limit | Request recheck | |
Sentimatix https://sentimatix-mcp.up.railway.app/sse Real-time NSE/BSE stock sentiment, news NLP, technical analysis & RAG search via MCP. | not found | MCP initialize · 8s limit | Request recheck | |
Sentiment Analyzer API https://sentiment-analyzer-x402-production.up.railway.app/mcp Analyze text sentiment, emotions, confidence scores, and key phrases. x402 USDC. | not found | MCP initialize · 8s limit | Request recheck | |
| Sentiment Analyzer API https://sentiment-analyzer.api.klymax402.com/mcp Analyze text sentiment, emotions, confidence scores, and key phrases. x402 USDC. | responds | MCP initialize · 8s limit | Request recheck | |
SentimentTrail https://sentiment-trail-mcp.vercel.app/api/mcp Multi-channel social sentiment aggregation oracle. | no response | MCP initialize · 8s limit | Request recheck | |
sentinel https://sentinel.rootstuff.io/mcp/sentinel Uptime, SSL, DNS and domain monitoring you can talk to from Claude or any MCP client. | needs a key | MCP initialize · 8s limit | Request recheck | |
sentinel https://sentinel.rootstuff.io/mcp/sentinel-oauth Uptime, SSL, DNS and domain monitoring you can talk to from Claude or any MCP client. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Sentinel https://448c.org/mcp Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact. | responds | MCP initialize · 8s limit | Request recheck | |
| SENTINEL Compliance Intelligence https://mru-oracle.com/mcp AML/CFT compliance oracle: wallet screening, sanctions, PEPs, jurisdiction risk. | responds | MCP initialize · 8s limit | Request recheck | |
SentinelScan Cloud MCP Server https://sentinelscan-cloud-mcp.vercel.app/mcp Remote MCP server that returns sentiment analysis results from SentinelScan API. | not found | MCP initialize · 8s limit | Request recheck | |
SentinelX https://mcp.sentinelx.app/mcp/mcp Operate your own Linux servers from your LLM. Requires the SentinelX agent installed per host. | needs a key | MCP initialize · 8s limit | Request recheck | |
SentiSense Market Intelligence https://app.sentisense.ai/mcp US market mood, stock sentiment, SentiSense Score, news, analyst ratings, and institutional flows. | needs a key | MCP initialize · 8s limit | Request recheck | |
sentry https://mcp.mcparmory.com/sentry Track errors, manage performance alerts, and configure dashboards and monitors | no response | MCP initialize · 8s limit | Request recheck | |
sentrysurface https://api.sentrysurface.io/mcp/mcp Cybersecurity MCP server for URL scanning, threat intelligence, and domain reputation. | no response | MCP initialize · 8s limit | Request recheck | |
Senzii Scheduling https://senzii.com/mcp Staff scheduling — manage staff, shifts, assignments, certifications, and requests via AI. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Senzing https://mcp.senzing.com/mcp Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting | responds | MCP initialize · 8s limit | Request recheck | |
| Seo Ai Visibility https://gateway.pipeworx.io/seo-ai-visibility/mcp SEO AI-Visibility MCP — does brand X appear in an LLM's answer (GEO / AI-SEO) | responds | MCP initialize · 8s limit | Request recheck | |
| SEO Audit MCP Server https://seo.accruedev.com/mcp Professional SEO auditing: 14 tools, 9 agents, CWV, E-E-A-T, schema, GEO. Free tier. | responds | MCP initialize · 8s limit | Request recheck | |
| Seo Backlinks https://gateway.pipeworx.io/seo-backlinks/mcp SEO Backlinks MCP — backlink intelligence via DataForSEO Backlinks API | responds | MCP initialize · 8s limit | Request recheck | |
| Seo Competitors https://gateway.pipeworx.io/seo-competitors/mcp SEO Competitors MCP — domain ranked keywords via DataForSEO Labs (dataforseo.com) | responds | MCP initialize · 8s limit | Request recheck | |
| Seo Keywords https://gateway.pipeworx.io/seo-keywords/mcp SEO Keywords MCP — search volume & difficulty via DataForSEO Labs (dataforseo.com) | responds | MCP initialize · 8s limit | Request recheck | |
| Seo Keywords Ads https://gateway.pipeworx.io/seo-keywords-ads/mcp SEO Keywords (Google Ads volume) MCP — exact Google Ads search volume via | responds | MCP initialize · 8s limit | Request recheck | |
SEO Page Analyzer https://seo-analyzer-x402-production.up.railway.app/mcp SEO audit of any URL: meta tags, headings, links, images, schema, score 0-100. x402 payments. | not found | MCP initialize · 8s limit | Request recheck | |
| SEO Page Analyzer https://seo-analyzer.api.klymax402.com/mcp SEO audit any URL: meta tags, headings, links, images, Schema.org, score 0-100. x402. | responds | MCP initialize · 8s limit | Request recheck | |
| Seo Serp https://gateway.pipeworx.io/seo-serp/mcp SEO SERP MCP — Google organic search results via DataForSEO (dataforseo.com) | responds | MCP initialize · 8s limit | Request recheck | |
| SEO Tools https://api.timzinin.com/mcp/seo-tools 5 pay-per-call SEO tools over MCP. Free discovery, tool calls settle in USDC on Base via x402. | responds | MCP initialize · 8s limit | Request recheck | |
| SEO Trends MCP https://seo.api.trendsmcp.ai/mcp Spot keyword demand rising or fading. Trend volume and growth signals. Free key at trendsmcp.ai | responds | MCP initialize · 8s limit | Request recheck | |
seo-audit https://deepseoanalysis.com/api/mcp Run SEO + AI-visibility (GEO) audits from Claude, Cursor & other AI clients. | needs a key | MCP initialize · 8s limit | Request recheck | |
seo-audit https://inxy.ai/api/mcp Score any site or Shopify store for AEO/GEO/LLMO readiness — how likely AI search is to cite it. | needs a key | MCP initialize · 8s limit | Request recheck | |
SEO-Ghost https://seo-ghost-mcp.vercel.app/api/mcp AEO intent and search presence optimization engine. | no response | MCP initialize · 8s limit | Request recheck | |
seo-growth https://mcp.openhelm.ai/seo/mcp Autonomous SEO + GEO growth: keyword research, audits, content, AI answer-engine visibility. | needs a key | MCP initialize · 8s limit | Request recheck | |
| seo-mcp https://mcp.metricspot.com/mcp Six tools for SEO and AI-readability audits. 91 checks, 11 score modules. | responds | MCP initialize · 8s limit | Request recheck | |
seo-tools https://seodesignlab-paywall.seodesignlab.workers.dev/mcp SEO tools via x402: briefs, keywords, SERP, backlinks, audits. $0.50-$3 per request. | not found | MCP initialize · 8s limit | Request recheck | |
| seo-web-analysis-mcp-server https://nexgendata-mcp-proxy.steve-corbeil.workers.dev/seo-web-analysis-mcp-server/mcp Site crawl + tech stack + DNS + SSL + WHOIS — five web-intel layers in one MCP. | responds | MCP initialize · 8s limit | Request recheck | |
SEOAudit https://seo.rjctdlabs.xyz/sse On-page SEO analysis, HTTP header checks, broken link detection, and robots.txt parsing. | no response | MCP initialize · 8s limit | Request recheck | |
SEOcrawl AI https://mcp.seocrawl.ai Live Google Search Console data, keyword/page analysis, site audit and SEO tasks from SEOcrawl AI. | needs a key | MCP initialize · 8s limit | Request recheck | |
SEOforGPT https://www.seoforgpt.io/mcp AI visibility reports, competitor insights, readiness audits, and GEO content workflows. | needs a key | MCP initialize · 8s limit | Request recheck | |
SeoGrep https://mcp.seogrep.com/mcp/%7Bkey%7D SEO for AI agents: crawl sites, audit pages, pull Search Console data, generate shareable reports. | needs a key | MCP initialize · 8s limit | Request recheck | |
| seooraclev2 https://tooloracle.io/seo2/mcp SEOOracle v2 - 7 next-gen SEO tools: AI overview tracking, GEO/AEO, entity coverage. | responds | MCP initialize · 8s limit | Request recheck | |
Seosa https://app.seosa.ink/api/mcp AI web novel co-writer: series, characters, episodes, and quality evaluation. Korean-first. | no response | MCP initialize · 8s limit | Request recheck | |
| Seoul Tourism (Visit Seoul) https://mcp.namu.ai.kr/mcp 서울의 축제·명소·맛집·쇼핑·숙박을 AI가 바로 조회하는 서울 관광 공공데이터 MCP (현재 Visit Seoul 공식 데이터) | responds | MCP initialize · 8s limit | Request recheck | |
| seoul-apt-signal https://seoul-apt-signal.airblock2026.workers.dev/mcp Seoul apartment signals: 25 districts from official transactions, scans. Pay-per-call x402. | responds | MCP initialize · 8s limit | Request recheck | |
| Septa https://gateway.pipeworx.io/septa/mcp SEPTA MCP — Philadelphia SEPTA real-time transit (www3.septa.org/api, keyless) | responds | MCP initialize · 8s limit | Request recheck | |
sequenzy-mcp https://api.sequenzy.com/v1/mcp Sequenzy MCP server for AI-powered email marketing automation. | needs a key | MCP initialize · 8s limit | Request recheck | |
Serac https://serac.cloud/api/agent/mcp/v1 Sovereign E2E cloud storage for AI agents. Zero-knowledge, RGPD-compliant. | no response | MCP initialize · 8s limit | Request recheck | |
Seraph https://seraph.kondux.io/mcp Crypto transaction firewall and risk tools for MCP agents. | needs a key | MCP initialize · 8s limit | Request recheck | |
Serbia Invoices (SEF eFaktura national API) https://inv-rs.wishpool.app/mcp Serbia SEF eFaktura invoices for AI agents: build UBL 2.1 SRB-CIUS, upload to SEF, query, cancel. | no response | MCP initialize · 8s limit | Request recheck | |
serkan-ozal-driflyte-mcp-server https://server.smithery.ai/@serkan-ozal/driflyte-mcp-server/mcp Discover available topics and explore up-to-date, topic-tagged web content. Search to surface the… | not found | MCP initialize · 8s limit | Request recheck | |
SERP Agent SEO https://serp-agent.com/mcp Full-cycle SEO automation for AI agents: technical audits, SEO articles, machine-readable pricing. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Serpapi https://gateway.pipeworx.io/serpapi/mcp SerpApi MCP — wraps SerpApi (serpapi.com) search engines | responds | MCP initialize · 8s limit | Request recheck | |
serpapi-mcp https://mcp.serpapi.com/mcp Official SerpApi MCP server for Google, Bing, and other search engines. | needs a key | MCP initialize · 8s limit | Request recheck | |
serpapi.com https://serpapi.com/search | not found | MCP initialize · 8s limit | Request recheck | |
SERPdive Web Search https://mcp.serpdive.com/mcp Real-time web search for AI agents: answer-ready page content. A Tavily alternative, fewer tokens. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Serper https://gateway.pipeworx.io/serper/mcp Serper MCP — wraps the Serper Google Search API (serper.dev) | responds | MCP initialize · 8s limit | Request recheck | |
| serpmantics https://app.serpmantics.com/api/mcp French-first SEO: semantic content guides, scoring, E-E-A-T audits for Google, ChatGPT & Claude. | responds | MCP initialize · 8s limit | Request recheck | |
Serpstat https://mcp.serpstat.com/mcp Automate your daily SEO tasks and get results in a few seconds with Serpstat SEO Tools MCP | needs a key | MCP initialize · 8s limit | Request recheck | |
Serpzilla MCP Server https://mcp.serpzilla.com/mcp Enables AI assistants to natively interact with the Serpzilla link-building marketplace. | needs a key | MCP initialize · 8s limit | Request recheck | |
server https://mcp.certman.app Create and manage your own Certificate Authority for internal HTTPS. | needs a key | MCP initialize · 8s limit | Request recheck | |
server https://mcp.certman.app/mcp Create and manage your own Certificate Authority for internal HTTPS. | not found | MCP initialize · 8s limit | Request recheck | |
| server https://mcp.cycloid.io/mcp An MCP server that let you interact with Cycloid.io Internal Development Portal and Platform | responds | MCP initialize · 8s limit | Request recheck |