MCP servers
MCP servers let AI assistants such as Claude, ChatGPT and Cursor use outside tools and data. 5,567 servers so far, found in the official MCP registry, GitHub and npm. Each fact links to where we read it.
- Calaf Seed ToolsAuthor and validate Calaf workspace seeds against the app's real importer. No account needed.
- CalendarMCPHosted Google Calendar MCP server for AI agents. No self-hosting or Google Cloud setup.
- Call Grok BotConsult existing Grok Bots from Codex and Claude Code using official Cursor browser login.
- CallMCP — Phone Call MCP ServerPhone call MCP server: AI agents place and answer real calls, text, email and WhatsApp via KaiCalls.
- Calligraphy Maker by Studio99Exact Hindi, Marathi, Gujarati and English calligraphy as editable artwork, from real fonts.
- CalvenConnect AI agents to shared product marketing intelligence in Calven.
- Campaign PackTurn a product photo and a brief into a full ad campaign: scripts, stills, client-ready PDF.
- Canopy APIAmazon product API & MCP server: search, prices, ratings, sellers, deals, and ASIN lookup by Canopy.
- CanvoraTurn any idea, URL, doc, or PDF into on-brand visuals: 100+ formats, native in 150+ languages
- CapxuleThe context marketplace: expert guided journeys your assistant runs step by step.
- CardlakeA self-hostable feed of reminders, learnings and work that Claude and ChatGPT can read and write
- CardogVIN decode, Canadian listings, market quotes, TC+NHTSA recalls. Full API: https://cardog.app/docs.md
- Catalog Attribute NormalizerCatalog attribute normalizer, taxonomy-grounded — no fabricated Google/Shopify category IDs.
- Catalunya 2022Cerca de text complet al pla Catalunya 2022 - RESET: 3 àmbits, 12 objectius, 91 accions. CA/EN/ES.
- Catalyst evidence graphFindings on what compounds and supplements do in the body, with evidence strength, quote and paper.
- CellarionWine cellar manager: bottles, racks, drink windows, pairings and a shared wine registry.
- CensibleThe Australian Census (2011, 2016, 2021) for any suburb, postcode or council, with projections.
- Central Bank Rates (AllRatesToday)Official central-bank & tax-authority rates from 100+ sources. No API key needed to start.
- Central CityEvery AI. One room. The open hub where the world's AI agents meet, work together and exchange.
- Cerebrium DocsSearch the Cerebrium docs: deployment, cerebrium.toml, hardware, endpoints. Also sends feedback.
- ChainHilt WalletLocal wallet that signs and sends ChainHilt-verified actions
- Charter BoatsSearch 14,000+ charter boats with live prices, plus marinas, anchorages, routes and itineraries.
- ChartsyRead-only revenue analytics from Stripe, Paddle, Polar, Lemon Squeezy, Creem and Freemius.
- CheslyRead, search and answer your messages on WhatsApp, iMessage, Slack, Telegram and 14 more networks.
- Chime SchedulerSchedule and publish LinkedIn posts from chat, with images, video and first comments.
- Chinaready China Market-Entry SearchRead-only search over chinaready.co — China market entry for Western software teams.
- ChiplabRun, build, and validate firmware on virtual hardware from your AI agent. Hardware knowledge corpus.
- ChronaryCalendar API for AI agents: events, availability, Google/Microsoft setup, scheduling, and iCal.
- Church of AI & CatsA half-joking Polish church for AI agents: doctrine, confessional with penance, agent forum.
- CitelyRead-only GEO data: which AI assistants mention a brand and cite its domain.
- ClaimFinder Settlements MCP ServerFree keyless MCP: list, search & look up open US class-action settlements and claim deadlines.
- ClairSell-side agent for retail: one typed waitlist transaction plus read-only machine manifests.
- Claude API PricingCurrent Claude API prices and cost estimates with prompt caching and Batch API pricing.
- ClawfightAn AI agent battle league: build a crab fighter over MCP and rap-battle in a rendered arena.
- Clean NotesKanban tasks and project notes for AI clients, with OAuth and per-project read or write grants.
- CleanVectorCreate professional SVG artwork, icons and vector logos from a prompt, or vectorize any image.
- CleanorZero-auth MCP: image optimize, cited storage/format data, and dev utilities LLMs get wrong.
- ClelpSearch and rate AI tools, MCP servers, and agent skills, safety-checked and rated by AI agents.
- ClerkChatManage ClerkChat AI support agents: knowledge, channels, conversations, automations, analytics.
- Clino: Swiss household employmentHiring plan with dates, cost, net wage, minimum wage and rules for Swiss household employment.
- Clip Studio MCPHosted MCP for Clip Studio public products — same plan as the website.
- ClizeReal-world actions for AI coding agents: an inbox with approval outbox, deploys, domains, payments.
- Close APIWalk, bike, and transit travel times from every US census block to nearby amenities.
- CloudBrowserGive AI agents a real cloud Chrome: open sessions, navigate, read pages, click, type and screenshot.
- CloudCraneAsk your assistant for an app and it lands on your phone: offline, data on the phone.
- CloudXray AI FinOps DirectorySearch and compare 290+ FinOps and cloud cost vendors from the CloudXray AI directory.
- CodeNibSource-linked CodeGraph exploration, ranked search, and static navigation for coding agents.
- Command MailOne inbox for all your addresses: your AI agent reads, sorts, drafts and sends with your permission.
- CommerceBookSearch and buy products from sellers and verified warehouses, sell surplus stock, post requests.
- CommercializerCommercial strategy for medical device and life-science companies, read from the governed registers.
- Competitor Tracking APITrack competitor brand demand across search, social and news. Free key at trendsapi.ai
- Competitor Tracking Trends MCPBrand and competitor trend volume over time, with growth signals. Free key at trendsmcp.ai
- Conduit Agentic CommerceSearch multi-merchant supply, checkout, and track orders via MCP.
- Condux error monitoringRead your Condux issues, events and stack traces (deminified with source maps). Triage optional.
- ConnectMachineManage your ConnectMachine contacts, networks, events, and digital business cards.
- ConnieSearch and update Records and Lists, import and export CSVs, and run enrichment in Connie.
- ContactZappKeeps your contacts in sync across Google, Microsoft, Apple and CardDAV, and cleans up duplicates.
- ContentSweep Supplier FeedsMap and validate recurring flat supplier catalogs with approved profiles and drift checks.
- ContextOSINT investigations with traceable evidence: domains, URLs, IPs, scams and business records.
- CookwalaSearch Cookwala recipes by diet, allergen, method and language; dry-run them safely. Read-only.