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17,416 Claude connectors and ChatGPT apps
Productivity
Markpad
By Markpad
Markpad turns the markdown Claude writes into clean, readable pages, with diagrams, math, tables, and code rendered, and gives each one a link you can share. Connect it, and Claude works in your docs directly instead of handing you text to copy. What makes it different: • Rendered, not raw. Mermaid diagrams, math, tables, and code blocks show as finished pages, for you and for anyone you share with. • Links you control. Share view-only or editable, choose a readable address like markpad.md/d/launch-plan, and add an expiry date or keep search engines out in Markpad. • Folders become sites. Publish a folder in Markpad, and every doc Claude adds to it becomes a page in a shared handbook. • Claude sees your screenshots. Claude can read a doc's images along with its text, for bug reports, designs, and notes. • Edits that don't collide. Claude changes one passage at a time, and an edit to a doc that changed since Claude read it is refused, so newer work is never overwritten. • Every change on record. History labels each edit with Claude's name, so you can review it or restore an earlier version. What Claude can do: create docs in your folders, search and read them, edit a passage, add to a log, organize folders and pins, share by link, and move docs to Trash (restorable for 30 days). Sharing and Trash stay off until you allow them when you connect. Requires a free Markpad account (markpad.md).
Tools: 15
Business & Operations
Markty
By MARKTYAI YAPAYZEKA TEKNOLOJİLERİ VE YAZILIM ANONİM ŞİRKETİ
Markty is an AI marketing team for small businesses: a manager and department experts for social media, SEO and blog, e-commerce and email, working from your brand's research, voice and strategy. Ask for what you would ask a colleague: today's marketing brief, three Instagram posts about a launch, a blog outline, an image for a weekend sale, a check on how visible your brand is in AI answers, or to schedule a post. Everything Markty creates is saved to your Markty account, and nothing is published until you approve it in the Markty calendar. Requires a paid Markty plan. Each request to the team costs one Markty credit; images and other paid actions cost the same credits as in the Markty app, and reading your brand data is free.
Tools: 64 · Prompts: 3
Productivity
Markup AI
By Markup AI
Markup AI reviews drafts against an organization's configured quality checks in a single call: brand voice drift, unapproved terminology, style-guide violations, hard-to-read sentences, AI-sounding phrasing, unsupported or risky claims, missing sourcing, and AI-search readiness. Users share content in ChatGPT, optionally state what they are trying to achieve, and get back which checks ran, any configuration warnings, and the flagged issues with locations, explanations, and suggested corrections. Teams can also run an explicit, named set of checks with a chosen persona, brand voice profile, style guide, or content profile, and list the checks and configurations available to their organization.
Tools: 3
Productivity
MarkupRelay
By Next Wave Technologies
Read webpage change requests explicitly shared from the MarkupRelay browser extension, with selected element context, DOM locators and optional screenshots. In a coding workspace, locate the matching source, implement the requested changes and record checks or blockers. Unshared notes are unavailable. Requires a MarkupRelay account and browser extension. No local companion or separate AI provider API key is needed.
Tools: 4 · Prompts: 2
Creativity
Marq
By Marq
Marq is the Brand Enablement Platform for brand teams supporting creators across the organization. Connect Marq to ChatGPT to find brand templates and use them to create or update on-brand content like one-pagers, datasheets, and social posts. Use ChatGPT to inspect a project’s pages, text, images, and Smart Fields, then rewrite, proofread, or translate copy and replace images. You can also personalize content with user, team, or project information, populate documents from your Marq datasets, and apply Marq Brand Kit colors, fonts, and logos to supported template elements. Export finished projects as PDF, PNG, or JPG. Changes preserve existing styling and element locks, so teams can create and update content faster without losing brand or layout control. ChatGPT only works with content the signed-in user can access in Marq.
Tools: 43 · Prompts: 3
Legal
Marqio
By Shio Ventures GmbH
Marqio screens proposed trademarks against official trademark registers, directly in Claude. Quick check (free, no account needed): one mark in one register, by default EU trade marks (EUIPO). Returns a GREEN/YELLOW/RED triage, the closest registered marks with phonetic and visual similarity scores, and counts of potential conflicts in Germany, Switzerland, the UK and WIPO. Clearance search (paid from your Marqio credit): identical, phonetic and spelling variants across a full scope of registers, either EU + Switzerland (EUIPO, the 27 national EU registers and Switzerland) or International (additionally UKIPO and WIPO/Madrid). Claude first gets a quote with the exact cost and your balance; the search only starts after you confirm, and credits are charged only once it has finished. A search where no register answers is not charged. Every clearance search creates a case in your Marqio account with every hit, its register number and a link to the official record, plus a PDF report by e-mail. Claude can fetch earlier reports and the status of running searches. Nice class suggestions: describe your goods or services and Marqio suggests matching Nice classes. Sign-in: quick checks and Nice class suggestions work without an account. Clearance searches, reports, research status and account status need a Marqio account. The first time Claude calls one of these tools, it asks you to sign in at Marqio (OAuth); the account is created there for free, no payment method required. Register data comes from TMview, the search platform of the European Union Intellectual Property Network, and for EU trade marks from the EUIPO Trademark Search API. Marqio does not send your data to any language model; Claude writes the assessment. Results are screening, not legal advice. Unregistered rights, company names, domains and social media handles are not covered.
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Data-Analytics
MarriageLicense.fyi
By Beeloud
MarriageLicense.fyi lists 1,418 marriage licence offices across the UK, Canada, the US, Ireland, Australia and New Zealand. Search offices, list places and categories, get one office detail, and see where the data comes from — every result carries its source and license.
Tools: 6
Travel
Marriott Bonvoy
By Marriott International
Find the stay that fits your journey. Explore Marriott Bonvoy’s portfolio of over 30 hotel brands and 10,000 global destinations. Whether you're planning a family vacation, business trip, or weekend getaway, discover hotels and resorts designed for every style of travel. Click "Book Now" to book on the Marriott Bonvoy app or Marriott.com and enroll in Marriott Bonvoy to start enjoying member benefits.
Tools: 1 · Prompts: 3
Health-Life-Sciences
Marrow Health
By Marrow Health
Marrow Health is a free iPhone calorie counter and fitness tracker that reads every Apple Health metric. Connect it and Claude can read your steps, sleep, heart rate, workouts, meals, strength sets, symptoms and mood. With this data, you can receive personalized feedback in order for you to meet your goals. It can even log meals, water, weight, workouts, sleep, symptoms and mood for you, straight into Marrow Health in real time. Requires the Marrow app and Marrow Pro.
Tools: 23
Financial-Services
Martia
By Martia Labs
Ask about your everyday money in your own words. Martia helps you check account balances, find transactions, understand spending by category, compare monthly finances, and see your net worth using data already connected to or imported into Martia. Requires a Martia account with an active subscription. When you connect, you authorize sharing the financial details needed to answer your questions with Claude. Access is read-only. Balances reflect the latest data available in Martia; transaction amounts keep their original currencies and summaries use your home currency.
Tools: 5
Creativity
Martini
By C47 Inc.
Use ChatGPT with Martini to navigate visual project boards, organize scenes and shot ideas, manage subjects and reference assets, add production notes, and structure filmmaking work on a shared canvas.
Tools: 128 · Prompts: 3
Productivity
Marty Invoice Auditor
By Lavu, Inc.
Compare normalized invoice rows with agreed prices supplied in the current request. Marty matches supplier, location, item, pack, unit, currency and effective dates exactly, then calculates candidate price differences. Missing, mismatched or overlapping terms need review. Currency totals stay separate. Source references are optional, user-supplied and not independently verified. You can request an unsent supplier question for a positive candidate. This tool does not extract PDFs or images, retrieve saved invoices, access account history, contact suppliers, process payments or confirm overcharges, credits or recovered money.
Tools: 20 · Prompts: 3
Financial-Services
Maru
By JP7
Maru is a personal finance app for Brazil: you import your bank and credit card statements (OFX, CSV, XLSX or PDF) and Maru keeps every account reconciled with the bank. This connector lets you use Maru from Claude in plain words. What you can do: - Ask: balances today or on any past date, spending by category, counterparty, account or month, biggest expenses, cashflow, and transactions by account, category, date or description. - Import statements: attach an OFX or CSV, or pick any statement, PDF and XLSX included, in Maru's upload panel. Claude shows what would be imported, which rows match existing ones and which need your decision, then imports it. - Organize: set categories, counterparties, centers and notes, create transactions in cash accounts, planned and recurring ones, and transfers between your accounts. - Manage categories, counterparties, centers and accounts, and reconcile an account with its bank balance. Who it is for: people and small organizations who already keep their finances in Maru. Safeguards: deleting, undoing an import or overwriting a value never happens on the first request. Claude first shows exactly what would change and asks you; only then does it run. Statement rows imported from your bank cannot be deleted or have their amount, date or account changed, as in the app. Limitations: Maru never moves money, and the connector cannot make payments, change your passphrase, manage members or delete your account. Amounts are in BRL. You choose which Maru organization Claude can use when you connect, and you can disconnect at any time in Maru, which deletes the key that lets the connector decrypt your data. Connections made before this update can only read until you reconnect. Privacy: your data stays encrypted on Maru's servers. Maru decrypts only what a request needs, only while handling it, and stores nothing readable. A statement you upload is kept encrypted for at most one hour.
Tools: 62
Data & Analytics
Marvyn
By Eleven Square Labs
Marvyn is a marketing analytics tool for businesses. It reads the marketing data you have connected to your Marvyn workspace and answers questions about it with numbers Marvyn has already calculated. What you can ask: how your marketing is doing overall; which ad campaigns and ads are working or wasting money (Meta, Google, LinkedIn, Snapchat and Reddit ads); where your website funnel loses people; whether your conversion tracking can be trusted; why a number changed; and what to fix first. Data sources: ad accounts, website analytics (GA4), Google Search Console, Facebook and Instagram, and Shopify. Reliability: every answer says how fresh the data is, which sources are missing, and which figures were withheld because there was not enough data behind them. Marvyn says "not enough data" rather than guessing. Without an account: check whether AI crawlers can read any website (robots.txt rules for AI crawlers, llms.txt, sitemap and home page). Who it is for: founders, marketers and agencies who use Marvyn (marvyn.io). Connecting uses your existing Marvyn account, and available features follow your Marvyn plan. Limitations: read-only. Marvyn cannot change, pause, publish or spend anything, and reads only the one Marvyn workspace you connect.
Tools: 39 · Prompts: 3
Business & Operations
Marxel
By DANIEL PAUL VERNON
Marxel is an applicant tracking system (ATS) and connected recruitment workspace for agencies, recruiters and in-house hiring teams. The Marxel web app brings job listings, candidate sourcing, applications, candidate management and explainable screening into one hiring workflow. In ChatGPT, bring a hiring brief and up to five CVs, confirm up to eight job-related criteria, and open an interactive recruitment workspace. Compare cited candidate evidence, explore information to clarify, and prepare interview questions. Keep explicit requirements, responsibilities and desirable experience distinct. Discuss selected candidates in ChatGPT and export a review brief as PDF, Word or Markdown. Save a selected review to Marxel by signing in, choosing your organisation and confirming the import. Marxel uses your confirmed criteria to create a screening job and automatically screens the selected candidates. Follow progress, then open the results without repeating the job wizard. Supplied CV text, ChatGPT evidence and interview questions are retained; Marxel’s screening results are generated separately. Original uploaded files and the ChatGPT conversation are not transferred. Open the saved job, team settings and plan page in the Marxel web app. The plugin reviews candidate text you supply and includes a clearly labelled fictional demo. It does not search your existing ATS jobs or candidates, send candidate messages, rank applicants or make hiring decisions. Source quotes are checked against supplied text; your team verifies interpretations and decides what to do next.
Tools: 7 · Prompts: 3
Productivity
Mary
By Mary
Mary lets you extract, interrogate, and verify the complete fact record of a matter directly from ChatGPT. Every answer comes from your documents with the source cited, including what was left out, and why.
Tools: 30 · Prompts: 3
Lifestyle
Maryam Ahmed Official
By Noodle Seed
Discover timeless elegance with Maryam Ahmed Official - your personal luxury Pakistani fashion assistant. With nearly 20 years of craftsmanship heritage, we bring you exclusive designer eastern wear featuring premium fabrics, hand-embellished details, and bespoke designs. Explore our curated collection of chiffon suits, formal dresses, wedding wear, and festive outfits - all crafted with meticulous attention to detail. From traditional embroidery to modern silhouettes, each piece is designed to make you feel confident and beautiful. Shop our best-selling designs, get personalized styling advice, check availability, and place orders directly through Chatgpt. We offer worldwide shipping and support local artisans with every purchase. Your perfect outfit is just a conversation away.
Tools: 5 · Prompts: 3
Productivity
Maryland Community Compass
By Maryland State Innovation Team, Office of Governor Wes Moore
Maryland Community Compass is the State of Maryland's free neighborhood development platform that centralizes data insights, funding resources, and support to foster thriving businesses and communities statewide, built by the Maryland State Innovation Team in partnership with Anthropic. Since December 2025 it has served over 15,000 active users and helped guide nearly $14 million in state funding to high-need areas. Its MCP server exposes 20 read-only tools that let Claude answer questions about any Maryland address, parcel, or geography. No authentication is required, though requests must come from a US-based network. Find Funding: 2,600+ federal, state, and philanthropic programs aggregated from 100+ sources, spanning grants, loans, tax credits, and technical assistance. One of the most comprehensive databases of public and private funding in Maryland. Full-text search, filters, and profile-based recommendations that help assemble a capital stack for any project. Site Feasibility: parcel-level evaluation across hundreds of federal, state, and local datasets. Property records, Maryland place-based program overlays (Opportunity Zone, Enterprise Zone, Sustainable Community, and more), environmental cleanup sites, historic register listings, conservation easements, green infrastructure, and Baltimore City Vacant Building Notices. Includes full zoning ordinance text for all 23 Maryland counties and 96 municipalities with independent planning authority. Community Plans: nearly 200 published comprehensive, small-area, and neighborhood plans. Search inside any plan (for example, "what does the Fell's Point plan say about parking?") with citation-ready PDF URLs. Neighborhood Insights: 58 census-tract-level metrics (poverty, tenure, cost burden, rental vacancy, permits, and more) with state and county medians for comparison.
Tools: 20
Business & Operations
Masha
By Masha
Masha is a campaign management platform for CTV, video and display advertising. Connect your Masha account to ask about your own campaigns in plain language: list them, check delivery and performance metrics broken down by day, device, geography, hours, age or e-commerce, and review the advertisers and publishers in your account. Without connecting an account you can still browse Masha's public CTV inventory and rate card, and get the brand kit and pitch-deck structure used to build a media proposal. Connected users can also render a finished deck to a downloadable PDF. The connector is read-only over your Masha data. It never exposes supplier costs, agency margins or any other tenant's data — every call is scoped to your own account by the same permissions the web app uses.
Tools: 9 · Prompts: 3
Finance
Mashvisor
By Mashvisor Inc.
Mashvisor helps users search investment properties, inspect listing details and photos, and compare Traditional vs Airbnb cash-flow projections using Mashvisor market data.
Tools: 3 · Prompts: 1
Productivity
Mason
By Enduring Labs, Inc.
Connect your existing Mason account for ten PM workflows: investigate maintenance, create and update work orders and projects, dispatch repairs or estimate requests, manage appointments, coordinate inspections, maintain vendor and technician records, update PM policies and troubleshooting guidelines, draft or send requested communications, summarize the portfolio, and manage recurring reports. Bundled workflows retrieve detailed skills and account policies from Mason as needed. Each connection acts as your Mason user for the property manager you approve. Read access retrieves account data; consenting to write access also permits record and workflow changes, scheduling, messages, group management, and calls available to your account. Successful writes execute immediately under your assistant’s tool permission settings, with Mason’s existing safeguards. Workflows can notify people. Requires an existing authorized Mason account. Does not process payments or transfer money.
Tools: 108 · Prompts: 3
Finance
Massive
By Massive.com, Inc.
Stocks, options & indices market data via Massive.com financial data API. Access real-time and historical prices, quotes, trades, and aggregates for equities, options contracts, ETFs, FX, crypto, futures, and more. Massive brings institutional-grade market data directly into Claude. Stocks & equities: Real-time stock prices, historical stock data, tick-level trades and quotes, OHLC aggregates and candlestick bars, market snapshots, and stock ticker reference data for all US equities and ETFs, sourced from all US exchanges. Options: Options contracts data including options chains, options prices, quotes, trades, open interest, and historical options data across the full US listed options market. Futures: Futures market data including futures contracts, futures prices, trades, quotes, and historical futures data across major products. Indices: Real-time and historical index data including index values and aggregates for major market indices. Forex & crypto: Currency pairs, exchange rates, crypto prices, and historical FX and cryptocurrency market data. Beyond prices, pull company fundamentals and financials, corporate actions like dividends and stock splits, market news, technical indicators (SMA, EMA, MACD, RSI), and market status. Ask Claude natural-language questions — "show me NVDA's opening cross" or "chart AAPL's daily bars this quarter" — and get answers backed by licensed, exchange-sourced market data. Built for traders, quants, analysts, and developers who need accurate stock market data, equities data, and multi-asset market data inside Claude.
Tools: 4
Massive Market Data
By Massive Market Data
Stocks, options & indices market data via Massive.com financial data API. Access real-time and historical prices, quotes, trades, and aggregates for equities, options contracts, ETFs, FX, crypto, and more.
Tools: 4
Massive Market Data
By Massive Market Data
Stocks, options & indices market data via Massive.com financial data API. Access real-time and historical prices, quotes, trades, and aggregates for equities, options contracts, ETFs, FX, crypto, and more.
Tools: 4
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