Which remote MCP servers actually answer

Astrology/ephemeris MCP server: 9 chart tools — positions, houses, aspects, transits, electional.

Connect your Caixa Econômica Federal account to AI via Brazil's Open Finance: balances, statements,

Connect your Caixa Tem account to AI via Brazil's Open Finance: balances, statements, cards, investm

88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.

Calculators accessible via MCP with real-time collaborative sessions and shareable URLs.

Calculator MCP server — evaluate, simplify, and differentiate math expressions.

Tested financial & practical calculators as free, no-auth MCP tools for AI agents.

Retirement & FIRE calculators: Monte Carlo wealth plans, Coast FIRE, Swiss pension & property tax.

Calendly MCP Pack — wraps the Calendly API v2 for scheduling data.

California DMV: vehicle and EV registrations by ZIP, field offices, forms, insurer NAIC codes

California criminal-justice accountability: DAs, defenders, judges, officers, CJP, POST.

California HOA law tools (Davis-Stirling Act): statute lookup, fine checker, letter templates.

Geometry and CAD file metadata extraction for STL, OBJ, PLY, PCD, LAS/LAZ, glTF/GLB.

API for AI agents to delegate tasks to real humans.

WhatsApp® reminders and rescheduling for Calendly. Public read-only MCP endpoint.

Realtime CBD product catalog, prices, stock and FAQ from CalmActiva.

Read-only CalvingWatch product, tester, camera, privacy and safety facts; no customer data.

MCP server for Calvix Technology Solutions — query IT services, contact info, and company details.

Cameron Rye's blog, projects, resume, and live site stats, plus contact and newsletter tools.

Public read-only archive of journalist Cameron Wilson's work, appearances, and biography.

Search Australian campsites, caravan parks and free camps; weather, gear, road trips and booking.

Campo Belo — neighborhood directory: local places, events, menus, offers, and services.

Live status and health checks for AI coding providers: Claude, Cursor, Copilot, Codex and more.

Free dofollow backlinks for Canadian businesses. Claim, verify, and track NFC tap analytics.

Verified 2026 Canadian payroll math: employer total cost, employee take-home, net-to-gross. Free.

Canada Government Procurement MCP — CanadaBuys open data (keyless).

Last day to make an offer and still fund inside a Canadian rate hold. Needs the expiry date.

Plan canal routes on Great Britain's waterways: lock-aware timing, live closures, boat-fit checks.

A flock of AI users tests your deployed app and reports where real people get stuck, with fixes.

Search 585+ free cancer support resources across Washington State in 7 languages

Pesquise, cote e reserve hoteis de Cancun/Riviera Maya direto de uma IA (Cancun4me).

caniuse MCP — browser feature support tables

Cannabis compliance: US state testing, INCB, Health Canada, EU precursors. Free.

Public Cannon Studio MCP for product, pricing, workflow, model, and API answers.

Norwegian open-source community wiki (2,290 articles, 2008-2022) as a signed KCP knowledge web.

Canton Network: CIPs and their on-chain vote outcomes, docs, forum, validator upgrade deadlines.

AI-powered diagrams, mind maps, flowcharts on a free unlimited collaborative whiteboard

Confidence-scored domain availability checking for AI agents via CanYouGrab.it

Scores US metros on corporate investment catalysts and repricing signals for real estate investors.

A great map with info on Capitals all around the world

Navigate the U.S. Capitol complex: decode room codes, route buildings, check access, amenities.

Search listings, message posters, and create draft posts on Capmus, the university marketplace

Social media data from YouTube, TikTok, Instagram & Facebook. 62 tools, one API key.

Human verification CAPTCHA with visual and selective-listening audio challenges.

UK Carbon Intensity MCP (National Grid ESO).

Carbon Interface MCP — Carbon Interface API (v1)

Sports card database: card search, full set checklists, parallel lookup, card identification.

French used-car search across LeBonCoin, LaCentrale, L'Argus and more, with price estimates.

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

Search, 180-spec localized specs, compare & filter over 102k+ vehicle variants, 19 languages.

Search used car inventory, check NHTSA recalls, decode VINs, and manage automated search scouts.

AI car condition scan before valet handover. Prevent damage disputes with timestamped proof

Cartelera de España: películas, cines, sesiones, recomendaciones y enlaces de compra.

Carbon MCP — UK Carbon Intensity API (free, no auth)

Indicative SEQ Australia property planning intelligence: zones, overlays, subdivision, DA stats.

Search 30,000+ decided U.S. DOHA security-clearance decisions, cited to the public record.

AliExpress cashback for AI assistants: search products, estimate cashback, get personal links.

Cassandra prediction hub: one MCP door over govcon forecasts (recompete, contractor signals).

Query 2,400 curated castles, fortresses and palaces: search, nearby, fame ranking. Free, CC0.

CATAAS MCP — Cat as a Service (free, no auth)

Search & add local tours and experiences (Italy/EU). Operators: first 100 bookings free, then 5%.

Search 18,723 verified restaurants and bars across 20 cities, each with a 0-100 quality score.

Search 41,000+ agent skills, MCP servers, plugins & loops — real install counts and stars.

Search the AI Tool Directory catalog: tool details, status checks, and alternatives.

Normalizes messy catalog attributes, maps categories to Google/Shopify/Amazon. MCP + HTTPS API.

Catalog attribute normalizer, taxonomy-grounded — no fabricated Google/Shopify category IDs.

Read-only IDFMETALE precious-metals catalog with live spot prices and availability.

French gluten-free product catalog and comparisons — verified prices and buyer ratings.

Catalogue of Life — global taxonomic index of known species (~2.2M accepted names)

Consulta el pla estratègic Catalunya 2022: 3 àmbits, 12 objectius, 91 accions. Trilingüe CA/EN/ES.

Governance middleware for AI agents: permission gates, approvals, compliance scanning, audit ledger.

Catastro espanol en JSON limpio: inmuebles por referencia catastral, coordenadas o direccion.

Live-music shows in Austin & Chicago matched to your taste (pass artists you like).

Search 40K+ expired domains from 12 auction platforms with SEO metrics and scores.

AI-native social listening. Monitor buying signals and run GTM workflows via natural language.

Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.

Cat Facts MCP — wraps Cat Facts API (free, no auth)

Datos del mercado ganadero argentino: precios INMAG, remates, consignatarias y alertas de precio.

Deterministic AI liability attribution with Bitcoin-anchored proof certificates.

cBioPortal MCP — cancer genomics portal.

Calculate shipment volume (CBM/CFT), weight, and how cargo fits standard shipping containers.

Israel Central Bureau of Statistics (CBS / הלשכה המרכזית לסטטיסטיקה) MCP.

Statistics Netherlands (CBS / StatLine) OData MCP.

cc0pedia CC0 database + cc0.company agent services as MCP tools, paid per call via x402 on Base.

Image, video, music and text generation across 100+ models through one endpoint.

Image, video, music and text generation across 100+ models through one endpoint.

Image, video, music and text generation across 100+ models through one endpoint.

Image, video, music and text generation across 100+ models through one endpoint.

Image, video, music and text generation across 100+ models through one endpoint.

Validate CommonCrawl CCBot IP addresses. Remote MCP validate_ip tool.

CDC MCP — wraps CDC open data via Socrata API (data.cdc.gov)

Morbidity and Mortality Weekly Reports and disease surveillance

Leading causes of death, mortality rates, infant mortality, and drug overdose data

County and tract-level health outcomes, behaviors, and preventive services from CDC PLACES

SVI scores and theme breakdowns by county and tract

MCP server for discovering and querying CDC public health datasets via the Socrata SODA API.

California Data Exchange Center (CDEC) hydrology, reservoirs, snow water

Buy game keys, gift cards, and subscriptions via x402 USDC on Base. 8 MCP tools, no install.

Real astrology for AI agents: cosmic weather, synastry, timing, astrocartography, and divination.

CelesTrak MCP — satellite orbital elements (TLE / GP data) for any tracked object.