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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
12,822
Responds
6,237 · 49%
Needs a key
3,253 · 25%
No response / not found
3,332 · 26%

Latest complete round: . The official listing contributed 12,638 unique remote URLs across 9,308 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 checkedRecent historyOwner
Rawg
https://gateway.pipeworx.io/rawg/mcp

RAWG MCP — wraps the RAWG video games database API (rawg.io)

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Raze
https://razegrowth.com/mcp

Explore Raze services, pricing, projects, availability, and confirmed introduction bookings.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Raziel
https://mcp.tide.org/mcp

MCP server teaching AI agents to implement TideCloak: auth, E2EE, IGA, security analysis

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Rba
https://gateway.pipeworx.io/rba/mcp

RBA MCP — Reserve Bank of Australia statistics (free, no auth).

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Rcsb Pdb
https://gateway.pipeworx.io/rcsb-pdb/mcp

RCSB PDB MCP — experimentally determined macromolecular structures.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
RD Station
https://api.mcp.ai/p_rdstation

RD Station Marketing, contacts/leads (get, upsert, funnel), conversion events and webhooks via the o

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Rdap
https://gateway.pipeworx.io/rdap/mcp

RDAP — Registration Data Access Protocol (domains, IPs, ASNs) via IANA bootstrap

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Reactome
https://gateway.pipeworx.io/reactome/mcp

Reactome biological pathway database

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
ReadGZH
https://api.readgzh.site/mcp-server

Read WeChat public account articles via MCP. 99.89% anti-scraping success, 50-87% token compression.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reading-room
https://randpaulcovid.org/mcp

Search the U.S. Senate's subpoenaed COVID-19 records: 18,094 communications, each page-cited.

respondsMCP initialize · 8s limit2 of 2 recent checks respondedCurrent
Readout
https://readout-7pt.pages.dev/api/mcp

Measured readings on open-source dependencies: health, end-of-life, model prices, incidents.

respondsMCP initialize · 8s limit2 of 2 recent checks respondedCurrent
Ready APIs
https://readyapis.com/mcp

121 MCP tools: geo, email, phone, company, DNS, FX, equities, weather, tax, econ, intel — one key.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
ReadyPermit — Property Zoning & Buildability Intelligence
https://rnfonkwthefktfvfwypr.supabase.co/functions/v1/mcp-server

Zoning, ADU eligibility, flood zone, setbacks, and buildability intelligence for U.S. parcels.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
real-estate
https://hooks.nesimplicity.com/mcp

Book a free consultation or home valuation with SimpliCity Real Estate in Lincoln, Nebraska.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
real-estate-data
https://dwelldata.io/mcp

DwellData: typed US real-estate feeds — deals, distress, auctions, leads, address lookup.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
real-estate-mcp-server
https://nexgendata-mcp-proxy.steve-corbeil.workers.dev/real-estate-mcp-server/mcp

Redfin listings, sale-comps, and neighborhood market data via natural-language queries.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
realestate
https://realestate.cz-agents.dev/mcp

Czech distress real-estate — anonymized district aggregates (k≥5). Free tier only.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Realestate
https://gateway.pipeworx.io/realestate/mcp

Real Estate Japan MCP — actual residential/commercial transaction prices and

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Realestateapi
https://gateway.pipeworx.io/realestateapi/mcp

RealEstateAPI MCP — property search, detail, and skip-trace (realestateapi.com)

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Reality Graph Verification Tools
https://realitygraph.dev/api/mcp

Free read-only AI coding verification tools: verification-debt calculator, task-spec lint, search.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Realmint
https://mcp.realmint.io/mcp

Agent-native scoring, search and routing for tokenized real-world assets across multi-chain.

respondsMCP initialize · 8s limit2 of 4 recent checks respondedCurrent
realtystack-mcp
https://realtystack-mcp.vercel.app/mcp

U.S. real-estate data: property records, AVM value + rent estimates, sale/rental listings.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Rebrickable
https://gateway.pipeworx.io/rebrickable/mcp

LEGO catalog: sets, parts, minifigs, themes, colors via Rebrickable. Free key required.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
recall-risk
https://cassandra.dropwatchhq.com/mcp

Check a product's recall risk: score + active CPSC/FDA/NHTSA recalls for a product or brand.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
RecallChecker — Vehicle Safety Recalls
https://mcp.checkrecall.com/mcp

Check U.S. NHTSA vehicle safety recall campaigns by make, model, and year. Live official data.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Recao
https://recao.app/api/mcp

Rank a competitor's EU App Store ads by longevity. From Apple's official Ad Repository.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
RecargaPay MCP
https://api.mcp.ai/p_recargapay

Connect your RecargaPay account to AI via Brazil's Open Finance: balances, statements, cards, invest

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Receipt Extraction
https://acjlabs-receipt-extraction.acjlabs.workers.dev/mcp

Receipts and invoices to structured, validated JSON with AU GST/ABN awareness. MCP + HTTPS API.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Receipt Extraction
https://receipt-extraction.acjlabs.com/mcp

AU GST/ABN receipt extraction — assigns entertainment/ITC tax codes per line, not just OCR.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Receita Federal PF
https://api.mcp.ai/p_receita_pf

Looks up the registration status of an individual at the Federal Revenue from the CPF and date of bi

respondsMCP initialize · 8s limit1 check · respondsCurrent
Receita Federal PJ
https://api.mcp.ai/p_receita_pj

Looks up a company's registration data at the Federal Revenue from the CNPJ, optionally with the own

respondsMCP initialize · 8s limit1 check · respondsCurrent
Receita PJ QSA + Participação
https://api.mcp.ai/p_receita_pj_qsa

Looks up a company's ownership structure and the partners' holdings in other companies, from the CNP

respondsMCP initialize · 8s limit1 check · respondsCurrent
receptionist-toolkit
https://lobbyvoices.com/api/mcp

Free receptionist tools: phone scripts, IVR menus (EN+ES), ElevenLabs prompts, missed-call math

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
recharge
https://recharge.usefulapi.io/mcp

Read subscriptions, customers, charges, orders; skip charges, cancel or activate subscriptions.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Recipe Signal
https://recipemcp.com/api/recipes

Search and compare attributed recipe records through a public read-only remote MCP endpoint.

respondsMCP initialize · 8s limit2 of 2 recent checks respondedCurrent
recipes
https://gateway.pipeworx.io/recipes/mcp

Recipes MCP — wraps TheMealDB API (free tier, no auth)

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reclaimai
https://reclaimai.usefulapi.io/mcp

Read tasks, habits, events and scheduling links; create and update Reclaim tasks and habits.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
RECOVER — Safe Next-Step Decisions After Machine Failures
https://recover-api-production-bbba.up.railway.app/mcp

Deterministic next-step decisions after failed API, MCP, automation, or AI-agent actions.

respondsMCP initialize · 8s limit1 check · respondsCurrent
Recreation Gov
https://gateway.pipeworx.io/recreation-gov/mcp

Recreation.gov MCP — wraps the Recreation Information Database (RIDB) API v1

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
recruiter-roles-mcp
https://recruiterroles.com/api/mcp

Search Recruiter Roles: live recruiter jobs, companies, sectors, locations, and market stats.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
recurly
https://recurly.usefulapi.io/mcp

MCP server for Recurly — accounts, subscriptions, invoices, plans; cancel & pause subs.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Red-Flag Greenflag
https://red-flag-greenflag.for-ai-agents.workers.dev/mcp

Read and participate in a public AI-agent consensus board through four MCP tools.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Reddit
https://gateway.pipeworx.io/reddit/mcp

Reddit MCP — public Reddit data via JSON endpoints (no auth required)

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Reddit data for agents
https://reddit.fetcher.sh/mcp

15 Reddit endpoints. Pay per call in USDC via x402.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Reddit Trends API
https://reddit.api.trendsapi.ai/mcp

Reddit discussion volume and subreddit growth over time. Free key at trendsapi.ai

respondsMCP initialize · 8s limit2 of 2 recent checks respondedCurrent
Reddit Trends MCP
https://reddit.api.trendsmcp.ai/mcp

Reddit trend data over time, with growth for any topic or brand. Free key at trendsmcp.ai

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reddit-mcp-server
https://nexgendata-mcp-proxy.steve-corbeil.workers.dev/reddit-mcp-server/mcp

Post + comment + subreddit search with comment-level depth for sentiment work.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Rede Celcoin MCP
https://api.mcp.ai/p_redecelcoin

Connect your Rede Celcoin account to AI via Brazil's Open Finance: balances, statements, cards, inve

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Redeal
https://api.redeal.dev/mcp

Neutral fairness computation for agents: fair division, verifiable random, Shapley shares.

respondsMCP initialize · 8s limit1 check · respondsCurrent
redfin-mcp-server
https://nexgendata-mcp-proxy.steve-corbeil.workers.dev/redfin-mcp-server/mcp

Single-property deep-dive: history, price/sqft, days-on-market, comps from a Redfin URL.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Redra
https://mcp.redra.ai/mcp

Search current class-action settlements and identify possible matches using structured filters.

respondsMCP initialize · 8s limit2 of 4 recent checks respondedCurrent
Reecopedia
https://ia.reeco.eco/mcp

Regulatory search engine for EU textile sustainability law: ESPR, DPP, CSRD, CBAM, CWA 18291.

respondsMCP initialize · 8s limit2 of 4 recent checks respondedCurrent
reefapi-mcp
https://api.reefapi.com/mcp

One MCP for 160+ live web-data APIs — clean JSON from sites that block scrapers.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Reel25 — Video Analytics for TikTok, Instagram & YouTube
https://mcp.reel25.com/mcp

Video analytics for TikTok, Instagram, and YouTube. Track, analyze, and discover content.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Reelfy Agent Tools
https://api.reelfy.online/mcp

Pay-per-use AI and data tools via x402: image, video, music, voice, search, crypto. USDC.

respondsMCP initialize · 8s limit1 check · respondsCurrent
reference-data
https://afriref.dev/mcp

Pan-African government reference data: central-bank rates, VAT, wages, holidays for 8 countries.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reference-data
https://asiaref.dev/mcp

Asian government reference data: policy rates, VAT, wages, CPI, tax, holidays — 5 countries.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reference-data
https://ausref.dev/mcp

Australasian reference data: cash rate/OCR, GST, wages, CPI, tax, holidays - 2 countries.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reference-data
https://euroref.dev/mcp

European government reference data: ECB rate, VAT, wages, CPI, tax, holidays - 2 countries.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reference-data
https://latamref.dev/mcp

Latin American government reference data: central-bank rates, VAT, wages, holidays, 6 countries.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reference-data
https://mearef.dev/mcp

Middle Eastern reference data: policy rates, VAT, wages, CPI, tax, holidays - 9 countries.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reference-data
https://usaref.dev/mcp

North American reference data: policy rates, VAT/GST, wages, CPI, tax, holidays - 2 countries.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
referencesource.org
https://referencesource.org/mcp

Verified reference data, 44 datasets; every record carries its source URL and verbatim quote.

respondsMCP initialize · 8s limit1 check · respondsCurrent
referral-codes
https://cryptoexchange.discount/mcp

Verified referral and discount codes for crypto exchanges, wallets and trading tools. Read-only.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
refpro-mcp
https://mcp.refpro.ai/mcp

Deterministic real estate underwriting, deal analysis & reports: Fix & Flip, BRRRR, construction.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Refugio San Bernardo
https://hawudqgbvwmgwhhcbthb.supabase.co/functions/v1/mcp-public

Refugio de montaña en Vallecitos, Cordón del Plata: disponibilidad, precios, clima y reservas.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
refund-decide
https://refund.decide.fyi/api/mcp

Refund eligibility notary for US subscriptions. Returns ALLOWED/DENIED/UNKNOWN.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Regex Tester API
https://regex-generator.api.klymax402.com/mcp

Test, validate and explain regular expressions with match highlighting. x402 micropayment.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
regexcronsql-validator
https://regexcronsql-validator.encodari.workers.dev/mcp

Valida regex, cron y SQL contra ejecucion real. Pago por llamada via x402/USDC.

respondsMCP initialize · 8s limit1 check · respondsCurrent
RegexForge
https://regexforge.jason-12c.workers.dev/mcp

Deterministic regex synthesis from labeled examples. Zero LLM, proof matrix, backtracking audit.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
RegimeShift
https://mcp.regimeshift.xyz/mcp

Paid MCP for AI agents: vol risk premium, Agent-SOFR, max-LTV. $0.001 USDC on Base via x402.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
registeroracle
https://tooloracle.io/register/mcp

RegisterOracle - 10-tool DORA Art.28 register: ICT third-party, contracts, criticality.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
registrum-mcp
https://registrum.co.uk/api/mcp

UK company data: profiles, iXBRL financials, directors, PSC chains, ECCTA. Hosted, no key.

respondsMCP initialize · 8s limit2 of 2 recent checks respondedCurrent
registry
https://api.policylayer.com/mcp

Check any MCP server's identity, risk grade and tool classifications before installing it.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
registry
https://crucibleui.com/api/mcp

Browse and install Crucible's animated React components into shadcn-style projects.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
registry
https://mcp-public.sharebench.ai

Search and pull AI skills, agents, prompts & playbooks (SKILL.md) into any MCP client

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
registry
https://mcp.bringyour.com

Cloud-hosted MCP server for URnetwork VPN and Proxy

respondsMCP initialize · 8s limit3 of 4 recent checks respondedCurrent
registry
https://rental.rootz.global/mcp

AI-native Caribbean vacation-rental registry: pricing, licensing, availability, source-linked.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Registry Expansion Routing
https://bonissystems.com/api/knox/agents/registry-expansion/mcp

Public-registry routing map by entity kind. Read-only reference data, not a determination.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
RegLayer Instant Decision Briefs
https://reglayer.ai/mcp

Company-specific regulatory assessments for concrete business questions, as structured data or PDF.

respondsMCP initialize · 8s limit1 check · respondsCurrent
Regrid
https://gateway.pipeworx.io/regrid/mcp

Regrid MCP — wraps the Regrid Parcel API v2 (regrid.com)

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Regularidade de Transportadora ANTT
https://api.mcp.ai/p_antt_transportadora

Check the standing of a carrier licensed by Brazil's ANTT for road freight transport, by CPF, CNPJ,

respondsMCP initialize · 8s limit1 check · respondsCurrent
Regularidade FGTS (CRF)
https://api.mcp.ai/p_fgts_regularidade

Issues the FGTS employer clearance certificate (CRF) from the CNPJ. Platform-hosted, no credentials,

respondsMCP initialize · 8s limit1 check · respondsCurrent
Regulations Gov
https://gateway.pipeworx.io/regulations-gov/mcp

Regulations.gov MCP — federal regulatory dockets, documents, public comments

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Regulatory Catalysts
https://gateway.pipeworx.io/regulatory-catalysts/mcp

Regulatory Catalysts MCP — high-value biotech regulatory calendar events (keyless).

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
regulatory-filings-mcp
https://nexgendata-mcp-proxy.steve-corbeil.workers.dev/regulatory-filings-mcp/mcp

SEC & institutional filings — Form 4, 8-K, 13F, Schedule 13D, Form D, IPO & earnings calendars.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
regulatory-intel-mcp
https://regulatory.datakoot.com/mcp

US Federal Register for AI agents: rules, notices and executive orders. No API keys.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
regulatory-radar
https://mcp.viridisconservation.com/regulatory-radar/mcp

CSRD/TNFD compliance-as-a-service for the climate stack.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Reka
https://mcp.reka.ai/mcp

Understand your videos with Reka AI — search, ask questions, and extract insights.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Relay Agents
https://relayagents.net/api/mcp

Read-only founding beta. No mutations, credentials, payments, or delegated authority.

respondsMCP initialize · 8s limit1 check · respondsCurrent
Relaystation
https://api.relaystation.ai/mcp

Pay-per-call agent infrastructure: file storage & handoff, compute tools, messaging, e-sign, KYC.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
relayzero
https://relayzero.ai/mcp

Agent economy network on Solana - arena, jobs, intel, benchmarks. USDC via x402.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Releases
https://mcp.releases.sh/mcp

An agent-friendly API for product changelogs. A unified registry via CLI, API, or MCP.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
ReliaSim
https://reliasim.com/mcp

Reliability and bottleneck simulation for manufacturing lines; run experiments, sweep buffers.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
ReliaStats
https://reliastats.com/mcp/v1

Reliability statistics — Weibull/lognormal fitting, MTBF/MTTR, availability, system composition.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
reliefweb-mcp-server
https://reliefweb.caseyjhand.com/mcp

Search ReliefWeb humanitarian reports, disasters, jobs, training, and country profiles via MCP.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Relin
https://relin.app/mcp

Inspect webhook health, investigate delivery failures, configure sources, and replay events.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Relm CRM
https://api.relmcrm.com/mcp

API-first CRM for LLMs - contacts, companies, deals and activities over a native MCP server.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Remember Me Collections
https://mcp.remem.me/mcp

Browse Bible verse collections from Remember Me, a free memorization app in 48 languages

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
Remode - Visual Fashion Shopping
https://remode-assistant-mcp.onrender.com/mcp?platform=mcp_registry

Visual fashion search across retailers and resale, with localized prices and app handoffs.

respondsMCP initialize · 8s limit4 of 4 recent checks respondedCurrent
6,237 endpoints in this view