Remote MCP servers let a supported client connect to a hosted endpoint. You do not need to launch that server as a local process, but you still need a compatible client, network access and the authentication required by the service.
A service's homepage or GitHub repository is not interchangeable with its MCP URL. Copy the documented endpoint and choose the transport the service supports. Older SSE configurations and Streamable HTTP configurations can differ; adding an arbitrary path to a website will not turn it into an MCP server.
OAuth connections authorize an account through the provider's sign-in flow. API-key connections require the documented header or credential setting. Confirm the workspace and scopes before asking an assistant to read private data or write to a service. A successful connection does not prove it has permission to every resource.
Check that the endpoint is reachable, the client supports its transport and authentication, and the credentials belong to the intended account. Then inspect the tool list and try one simple read. If connection works but a tool fails, review resource permissions and the tool's required arguments.
Start with Figma's official server, Notion or GitHub when those services match your task. Browse official integrations and the full directory for other options.
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Extended registration data for a company from a CNPJ, beyond the basics. Platform-hosted, no credent
Cadastur: Prestadores, official-source lookup. Platform-hosted, pay per query with prepaid credit.
Expert-grounded NetSuite answers: saved searches, SuiteScript, workflows, and troubleshooting.
Live UK golf equipment prices: retailer offers, price history and deal ratings in GBP.
ca-debtwatch — California municipal bond issuance (CDIAC / DebtWatch)
Noticias de Río Tercero y Córdoba (Argentina) y las radios de Cadena Láser en vivo.
Plan, draft, schedule and publish social posts grounded in your Website Brain.
CADE: Court Cases, official-source lookup. Platform-hosted, pay per query with prepaid credit.
Status of a CPF or CNPJ in the state treasury default registry (CADIN), by state. Platform-hosted, n
Status of a CPF or CNPJ in the São Paulo treasury default registry (CADIN). Platform-hosted, no cred
California DMV MCP — registered vehicles and EV adoption by ZIP code, field offices,
Manage gift lists, gifts and reservations on Cadourile.ro (Romania/Moldova).
Fast multi-format CAD previews, geometry checks and conversion; measure and share in the workspace.
34-tool Caelus MCP for validated astrology: charts, transits, Vedic, facts, sky view, synthetic.
Web search and page-reading for AI agents. One-click OAuth connect, or a Caesar API key.
Looks up the National Family Farming Registry (CAF) of an individual from the CPF. Platform-hosted,
Looks up the National Family Farming Registry (CAF) of a company from the CNPJ. Platform-hosted, no
Korean Saju (Four Pillars) MCP server with 5 free birth-chart analysis tools.
Looks up the Rural Property Registry (CAFIR) from the property's CIB. Platform-hosted, no credential
California Grants Portal MCP — open State of California grant funding opportunities (keyless).
Cross-session memory for AI agents with a Source Receipt for every memory, over MCP.
Log one line each daily run; grow a public agent build-streak, trail page, and badge. No signup.
MCP server exposing kash.click API as tools
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
Read your Cakto sales: orders, revenue analytics, subscriptions, churn, customers and products.
Run your Calaf recruiting book from chat: firms, people, pipeline, calendar, notes, and prep.
Author and validate Calaf workspace seeds against the app's real importer. No account needed.
Visual no-code generator that turns any database into multiple scoped MCP servers — one per access group, with PII masking and fail-closed query
100+ accurate calculators & converters: mortgage, loan, tax, BMI, dates, units, currency and more.
88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.
Evaluate a+b style arithmetic. Expression discarded.
China working-day data, UK bank holidays, IANA time zones and deterministic business deadlines.
Automatic Brazilian legal calculators: monetary correction and debt settlement (correction by IPCA,
Search and run New Zealand tax, KiwiSaver, mortgage and property calculators
MCPCalc is a hosted MCP server that gives AI agents (Claude, ChatGPT, and others) access to a comprehensive library of calculators spanning finance, math, health, construction, engineering, food…
A stateful calculator server that uses Server-Sent Events (SSE) for real-time communication. This server implements the Model Context Protocol (MCP)
@cyanheads/calculator-mcp-server
Find and run trustworthy calculators with clear methods, provenance, and sources.
Tested financial & practical calculators as free, no-auth MCP tools for AI agents.
FIRE & retirement calculators + a multi-currency portfolio rebalancer (exact buy/sell trades).
Publish a live calculator, tracker, tool, or game from Cursor, Claude, or ChatGPT.
Plans flooring, trim and wallpaper orders from computed cut layouts. Free, read-only, no account.
FGTS calculation for AI: update FGTS amounts and differences with official correction and interest o
Interest and penalty calculation for AI: apply simple or compound interest, penalty and official cor
Alimony calculation for AI: convert alimony set in minimum wages to the current value and update ove
Brazilian labor calculation for AI: update labor claims and awards with official correction, interes
Calculs du bâtiment (France) : chute de tension NF C 15-100 et catalogue de 111 outils.
2,400+ calculators and unit converters with exact results and a live calculator card in the chat.
I do everything related to calendar scheduling
Connects ChatGPT to your Apple Calendar via a local Mac agent + Vercel relay
Normalize a calendar handoff.
Normalize a calendar handoff
Normalize a calendar handoff.
China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.
Hosted Google Calendar MCP server for AI agents. No self-hosting or Google Cloud setup.
Calendar quarter 1-4 band
Real availability, real bookings, and single-use scheduling links — driven from the conversation.
Calendly MCP Pack — wraps the Calendly API v2 for scheduling data.
Manage Google, Outlook & Apple calendars and create private sync rules from chat.