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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
site-audit
https://api.santosautomation.com/mcp

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

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SiteGuardian
https://mcp.siteguardian.io

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

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Skala
https://ai.skala.io/mcp

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

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Skan Firmy
https://skanfirmy.pl/mcp

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

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Skew
https://skew.site/api/mcp

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

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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.

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Skiddle
https://gateway.pipeworx.io/skiddle/mcp

Skiddle MCP.

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Skill of Skills
https://skills.911fund.io/api/mcp

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

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skill-audit-mcp
https://eltociear-skill-audit.hf.space/mcp

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

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skills-hub
https://api.skills-hub.ai/mcp

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

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SkinGrind
https://cloud.skingrind.com/mcp

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

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SkinKnowledgeBase Skincare Question and Answer MCP
https://mcp.skinknowledgebase.com/mcp

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

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Skiplagged MCP
https://mcp.skiplagged.com/mcp

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

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skipodds
https://skipodds.com/mcp

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

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Skyalo Travel Connectivity Guide
https://skyalo.com/chatgpt/mcp

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

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Skybridge Capitals Example
https://capitals.skybridge.tech

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

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Skybridge Ecommerce Example
https://ecommerce.skybridge.tech

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

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Skybridge Everything App
https://everything.skybridge.tech

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

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Skybridge Example MCP App
https://productivity.skybridge.tech

Skybridge Productivity MCP App Example

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Slack_connect
https://gateway.pipeworx.io/slack_connect/mcp

Slack MCP Pack

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Slacking.biz — SEC Financial Data + US Economics + Demographics
https://slacking.biz/mcp

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

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Sleeper Hit Studio Public Discovery
https://sleeperhit.studio/api/mcp

Read-only discovery for opted-in storytellers and approved public project assets.

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SlideForge
https://api.slideforge.dev/mcp

Deterministic, fully editable PowerPoint from typed slide intents. 150+ layouts, brand templates.

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slima
https://mcp.slima.ai/mcp

MCP Server for Slima - AI Writing IDE for Novel Authors with AI Beta Reader.

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slipstream
https://slipstream-pi.vercel.app/api/mcp

Shared distillation cache for AI agents — every fetch ~73-89% fewer tokens via a shared cache.

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Slug Generator API
https://slug-generator.api.klymax402.com/mcp

URL-friendly slugs from text — transliteration, custom separators. x402 micropayment.

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SMARD Energy Prices (x402)
https://smard-energy-prices-x402.favo.workers.dev/mcp

Paywalled SMARD day-ahead electricity prices (DE-LU, 15‑minute resolution) via x402 on Base mainnet.

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smart-data-extractor
https://api.lazy-mac.com/smart-data-extractor/mcp

smart-data-extractor MCP server on Cloudflare Workers · REST + MCP JSON-RPC · free tier

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Smarter Weather
https://mcp.smarterweather.com/mcp

Smarter Weather MCP: forecasts, alerts, outlooks, observations, AQI, grids, and map imagery.

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Smarter Weather Developer Onboarding
https://developers.smarterweather.com/mcp

Agent-first onboarding to Smarter Weather: plans, docs, signup, API keys, MCP config, billing.

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smartmoneyoracle
https://tooloracle.io/smart/mcp

Whale & Institutional Flow MCP — 8 tools: TVL flows, alpha signals, stablecoin supply.

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smartscale
https://mcp.viridisconservation.com/smartscale/mcp

Credit-card-calibrated visual measurement — the first sellable service.

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Smithsonian
https://gateway.pipeworx.io/smithsonian/mcp

Smithsonian Open Access MCP.

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smithsonian-mcp-server
https://smithsonian.caseyjhand.com/mcp

Search 19.4M Smithsonian Open Access objects, get CC0 images, find cross-collection connections.

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SMS Validator API
https://sms-validator.api.klymax402.com/mcp

Validate SMS-capable phone numbers — mobile vs landline, E.164 format. x402 micropayment.

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snapforge
https://snapforge.org/mcp

Screenshots, PDFs and Markdown from any URL or HTML for AI agents, via the SnapForge API

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snaptoll
https://snaptoll.com/api/mcp

UK tolls & charges: DVLA vehicle checks (ULEZ/CAZ/MOT/tax), prices, penalties, pay-by deadlines.

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Snb Ch
https://gateway.pipeworx.io/snb-ch/mcp

Swiss National Bank (SNB) data portal MCP. Keyless.

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sniff-mcp
https://mcp.sniff.world/mcp

Canine genomics for agents: breed allele frequencies + AI pathogenicity over the open Sniff Atlas

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snooze
https://mcp.snooze.domains/mcp

Check a domain's registration status, or watch it for expiry, deletion, and availability.

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SnowSure — Snow & Ski
https://www.snowsure.ai/mcp

Live ski snow, multi-model forecasts, powder rankings & a grounded Answer Engine for 500+ resorts.

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SoapBox Faith
https://foyekanoxpnkydoibaas.supabase.co/functions/v1/faith-mcp

Faith tools for AI agents: cited KJV Scripture, ORA Q&A, sermons, churches, prayer & giving.

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Social → Context
https://api.mcp.ai/p_socialdl

Turn a TikTok/Instagram/YouTube link into text for your AI: metadata, transcript and image OCR.

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Social Cooks MCP
https://mcp.socialcooks.com/mcp

Munich social media marketing agency: info, services, case studies, content search + lead intake

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Social Fetch
https://api.socialfetch.dev/mcp

Public social-data API and live docs for AI coding agents.

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Social Perks
https://socialperks.app/api/mcp

Agent-native marketing platform: create campaigns, submit proofs, review submissions.

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Social Profile Enrichment API
https://social-profile.api.klymax402.com/mcp

Social media profile lookup for GitHub, Twitter/X, LinkedIn, YouTube. x402.

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Social Signal
https://gateway.pipeworx.io/social-signal/mcp

Social Signal — post-VOLUME TIME SERIES across the open social networks that

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social-content-mcp-server
https://nexgendata-mcp-proxy.steve-corbeil.workers.dev/social-content-mcp-server/mcp

Dev.to, Steam, podcasts, Eventbrite — cross-format content discovery for AI curators.

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social-pulse
https://social.dropwatchhq.com/mcp

Real-time Reddit + Hacker News sensing: trending, mention velocity, sentiment, emerging terms.

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socialbridge-mcp
https://socialbridge-mcp.vercel.app/mcp

Unified social-media data across 10 networks: profiles, posts, search, comments, cross-search.

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socialclaw
https://getsocialclaw.com/mcp

Connect any AI agent to 11+ social platforms: schedule, publish & track posts via hosted MCP.

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SocialDataX 微信视频号 WeChat Channels MCP
https://mcp.52choujiang.com/wechat/mcp

WeChat Channels hot search, video search/details, comments/replies, users, transcript.

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SocialDataX 微博 Weibo MCP
https://mcp.52choujiang.com/weibo/mcp

Weibo hot search, post search/details, comments/replies, users, posts, transcript.

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SocialDataX 快手 Kuaishou MCP
https://mcp.52choujiang.com/kuaishou/mcp

快手/Kuaishou hot list, work search/details, comments/replies, creator profiles, works.

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SocialDataX 快手 Kuaishou MCP
https://mcp.socialdatax.com/kuaishou/mcp

Kuaishou hot search, work/user search, work details, comments/replies, profiles, transcript.

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Socializioz ChatGPT MCP
https://mcp.socializioz.com/mcp

Thin remote MCP server for Socializioz phase-1 ChatGPT workflows.

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socialloop-mcp
https://socialloop.ai/mcp

Create & publish events on SocialLoop: ticketing, guests, affiliates & the full production OS.

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SocialSpool
https://mcp.socialspool.com/mcp

Create, schedule, and publish social posts through the hosted SocialSpool MCP connector.

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socrata-mcp-server
https://socrata.caseyjhand.com/mcp

Search and query government open-data portals (Socrata SODA API).

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Sofya
https://sofya.co/mcp

Web search, fetch, extract, and research for AI agents. Markdown output + AI-synthesized answers.

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sogouwebspider
https://sogouwebspider.seoapi.com/mcp

Validate Sogou Spider IP addresses. Remote MCP validate_ip tool.

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Soilgrids
https://gateway.pipeworx.io/soilgrids/mcp

ISRIC SoilGrids MCP.

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Solana Pool Liquidity Scanner API
https://solana-pools.api.klymax402.com/mcp

Solana DEX pool liquidity depth — TVL, slippage, volume, Raydium/Orca/Meteora. x402.

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Solana Priority Fee Estimator API
https://solana-fees.api.klymax402.com/mcp

Solana priority fees at 6 levels, cost in SOL/USD, congestion. x402.

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Solana Token Intelligence
https://token-intel-x402.echolonius.deno.net/mcp

Solana token due-diligence for AI agents: fused safety+market read, 0-100 risk verdict. x402-paid.

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Solana Token Launch Scanner API
https://solana-launches.api.klymax402.com/mcp

New Solana token launches — pump.fun, Raydium, PumpSwap. Price, liquidity, volume. x402.

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solanaoracle
https://tooloracle.io/solana/mcp

SolanaOracle - 12 Solana tools: SPL tokens, Jupiter, validators, rent, programs, NFTs.

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solar-home-incentives
https://api.energyaisolution.com/mcp/solar

Free solar & home energy tools: estimates, incentives by ZIP, scores, installer routing.

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solenrich
https://api.solenrich.com/mcp

Solana onchain intelligence for AI agents: wallet risk, due-diligence, perps funding, smart money.

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SolKnife
https://solknife.xyz/api/mcp

Non-custodial Solana toolkit: rug-checks, swaps, portfolios, token minting, multisig, Arweave.

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solrisk-mcp
https://solrisk.rugscore.workers.dev/mcp

Solana token risk (rug / honeypot / dump) scoring for AI agents — remote MCP server.

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Solscan
https://gateway.pipeworx.io/solscan/mcp

Solscan MCP — Solana block-explorer API (Pro v2)

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Soluble(s) — Podcast de journalisme de solutions
https://mcp.csoluble.media/api/mcp

Solutions journalism podcast (FR): ecology, climate, society. Search, transcripts, junior versions.

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SOMA Brewing Company
https://getsoma.store/api/mcp

India's first non-alcoholic craft brewery: catalog, nutrition, FAQ, checkout links for AI agents.

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Songs To Your Eyes — production music catalogue
https://mcp.songstoyoureyes.com/mcp

Search 18,594 production-music cues by mood, sound and exact runtime. Instant preview links.

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Sonlight Window Cleaning
https://sonlightwindow.com/mcp

Book window & gutter cleaning in Colorado and New Mexico: instant firm quote, real calendar slot

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Sonnet 5 Agent
https://farm.llmotions.com/mcp/agents/sonnet-5-agent

Authenticated async Sonnet 5 Agent agent with status polling and artifact results.

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Sophon Consulting
https://www.sophon.consulting/api/mcp

Read-only, deterministic AI triage and readiness tools implementing Sophon's published rubrics.

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SORACOM Knowledge MCP
https://knowledge-mcp.soracom.com

Search SORACOM documentation: service guides, FAQ, API references, IoT recipes, etc.

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Sorsa
https://sorsa.app/mcp

Amazon FBA arbitrage toolkit: product analysis, deal feeds, price alerts and sourcing management.

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Source Library
https://sourcelibrary.org/api/mcp

Search and cite 26K pre-modern primary sources: alchemy, Hermetica, philosophy, early science.

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Sourcey
https://mcp.sourcey.com/mcp

Search Sourcey's provenance-bound startup program registry and inspect exact evidence.

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South Africa Tenders
https://gateway.pipeworx.io/south-africa-tenders/mcp

South Africa Government Procurement MCP — National Treasury eTenders / OCPO (keyless).

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Space Feeds
https://gateway.pipeworx.io/space-feeds/mcp

Space Feeds MCP.

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Spaceflight News
https://gateway.pipeworx.io/spaceflight-news/mcp

Spaceflight News MCP.

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spacenews
https://gateway.pipeworx.io/spacenews/mcp

Spacenews MCP — wraps the Spaceflight News API v4 (free, no auth)

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spacex
https://gateway.pipeworx.io/spacex/mcp

SpaceX MCP — wraps SpaceX API v4 (free, no auth)

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SPACEXPLORATION
https://spacexploration.com/mcp

Search commercial real estate listings. Reads need no token; authoring is self-serve OAuth (DCR).

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Spain Legal
https://legalfournier.com/mcp/spain-legal

Agent-first remote Spain legal MCP for visas, residency, NIE/TIE, and tax logic.

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Spain Tenders
https://gateway.pipeworx.io/spain-tenders/mcp

Spain public procurement MCP — PLACSP tender notices (keyless).

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Sparkling Tracks Tours
https://mcp.sparklingtracks.com/mcp

Read-only MCP for Sparkling Tracks European tours: packages, itineraries, pricing, contacts.

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Sparks Scribe
https://crm.sparkscribe.app/crm/api/public-mcp

Official first-party facts about Sparks Scribe: what it is, pricing, trial.

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Spdx License
https://gateway.pipeworx.io/spdx-license/mcp

SPDX open-source license list with full text

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specky
https://www.specky.space/api/mcp

Turn raw customer feedback into evidence-cited specs (free, no key) plus 16 PM tools.

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SpecProof
https://mcp.specproof.ai

SpecProof: Search standards specs with MCP-ready precision.

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Spectral — verified-knowledge oracle
https://mcp.seespectral.com/mcp

Cross-check a factual claim against a verified knowledge graph before you assert it. Never guesses.

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Specularis AI Visibility Audit
https://specularis-mcp-audit-production.up.railway.app/mcp

Free AI visibility (GEO/AEO) audit: can ChatGPT, Claude and Perplexity find and cite your website?

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Speech AI - Pronunciation, STT & TTS
https://apim-ai-apis.azure-api.net/mcp/pronunciation/mcp

Pronunciation scoring, speech-to-text, and text-to-speech for language learning

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Speech AI - Pronunciation, STT & TTS
https://pronunciation-mcp.thankfulfield-a7857897.eastus.azurecontainerapps.io/mcp

Pronunciation scoring, speech-to-text, and text-to-speech for AI agents.

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5,376 endpoints in this view