"How to open desktop applications on Windows" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Search hotels worldwide, compare live room rates and cancellation terms, and create unpaid booking payment links. Requires a Fortrip account with OAuth sign-in; users complete payment on Fortrip, and the connector never collects card details.
Spend USDC in the real world: prepaid cards, gift cards, push-to-card, and bank payouts.
Pay-per-call AI micro-tasks for agents. 20 tasks - summarize, code review, JSON, media - from $0.003 USDC on Base. x402 v2. Free discovery tools: list_tasks, price_task, check_health.
360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
Skavio LLC serves 18 MCP tools. Four separately priced blockchain verification/DNS-TLS calls use native Circle USDC via x402 v2 on Base or Solana: Verify 0.02, Match 0.03, evidence PDF 0.05, DNS/TLS audit 0.05 USDC. Free discovery requires no wallet. Additional company document, OCR, invoice and audio relays use authenticated Agent Tools credentials and can debit prepaid company credits for eligible processing jobs. A human company admin may buy USD 5-500 Stripe card credit packs or top up with USDC at https://getskavio.com/agent-tools/dashboard.html. Those card credits DO NOT pay for the four standalone x402 USDC tools. Base-only HTTP x402 routes are separate. Endpoint: https://getskavio.com/mcp ; Docs: https://getskavio.com/agent-tools/docs.html ; USDC APIs: https://getskavio.com/x402/docs/ ; Support: support@getskavio.com. Evidence PDF is not a tax invoice. No real external paid card-to-MCP job E2E is verified yet.
Check before your agent installs, connects or pays. install_check: before installing an npm or PyPI package, a GitHub repo, a skill or an MCP server, it answers allow / hold / block (known malicious packages from OSV, typosquats of official MCP servers, names that do not exist, install scripts, maintainer changes). check_service: live status, real price and payTo vs the catalogue listing for any x402 endpoint or MCP server, OFAC and stablecoin-freeze screening, uptime, tool-set changes, on-chain payers, an open Trust Score. preflight_payment decides allow / hold / block right before an x402 payment is signed; payment_status prevents paying twice; dispute_evidence builds a signed evidence pack. Every answer is signed into a public transparency log. Free, no account. Claude Code plugin: alalanet-guard.
Freshsales MCP server for ChatGPT, Claude and any AI agent: list rotten deals, move deal to another stage, mark deal won or lost, create task, add note, list overdue tasks, list contacts and list pipelines in your own Freshsales account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Freshsales yourself; Cotlet does not store your password and you need no Freshsales API key. About the official Freshsales API: Yes, Freshsales has a full REST API, but no official MCP server for CRM data (checked 22 Oct 2026). You copy a personal API key from Profile Settings > API Settings and send it with every call, and Freshsales lists API access as a paid-plan feature. Setup and FAQ: https://cotlet.dev/integrations/freshsales-api-mcp-server
NFC Tap Builder by Tap.Giving is a tool first: it helps agents and users create print-ready NFC artwork proofs with correct vector art, free to take to any vendor, with no lock-in. The hosted server serves organizations of every kind, including churches, nonprofits, restaurants, coffee shops, and local businesses, with keyless discovery, product facts, artwork spec, and order questions, and the free Redirect Dashboard at https://tap.giving, which retargets any disc in seconds. Discs are NTAG213, 100 mm round or square, matte waterproof PVC. Ordering custom discs through Tap.Giving is an optional next step: published pricing is $5.00 per disc at 100 to 199, $4.00 at 200 to 399, $3.50 at 400+, minimum 100, free shipping, 30-day money-back guarantee.
Hire verified local people for real-world tasks. Paid upfront, released on approved photo proof.
Pay-per-call web reading for AI agents over x402 — no account, no API key, billed only when content is delivered, with signed provenance on every paid response. Start free with POST /v1/probe.
Non-custodial stablecoin bill-pay rails on Celo & Base for AI agents, settled on-chain via MCP.
Copper CRM MCP server for ChatGPT, Claude and any AI agent: list opportunities, update opportunity stage, mark opportunity won or lost, create task, log activity, convert lead, create lead and list pipelines in your own Copper CRM account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Copper CRM yourself; Cotlet does not store your password and you need no Copper CRM API key. About the official Copper CRM API: Yes, Copper has a full REST Developer API, but no official MCP server (checked 20 Oct 2026). You create an API key under System settings > API Keys and send it with your email on every call, which means code or a third-party server and a key that acts as one user. Setup and FAQ: https://cotlet.dev/integrations/copper-crm-api-mcp-server
Agile CRM MCP server for ChatGPT, Claude and any AI agent: get campaign report, add contacts to campaign, list contacts, add contact tags, list deals, move deal to milestone, add note and create task in your own Agile CRM account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Agile CRM yourself; Cotlet does not store your password and you need no Agile CRM API key. About the official Agile CRM API: Yes, Agile CRM has a REST API on all plans, with a daily call cap by plan and no official MCP server (checked 22 Oct 2026). It covers contacts, companies, deals, tasks, notes, events, tracks and enrolling a contact in a campaign, but not campaign reports or bulk actions. Setup and FAQ: https://cotlet.dev/integrations/agile-crm-api-mcp-server
Dext MCP server for ChatGPT, Claude and any AI agent: upload receipt, list items to review, edit extracted data, publish to ledger and export costs in your own Dext account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Dext yourself; Cotlet does not store your password and you need no Dext API key. About the official Dext API: Dext has no public developer API and no API docs on dext.com, and no official MCP server (checked 14 Oct 2026). The only official connection is the Zapier app, with 3 triggers and 4 actions: it submits receipts and sales invoices, reads processed receipts and creates client accounts. Setup and FAQ: https://cotlet.dev/integrations/dext-api-mcp-server
Joist MCP server for ChatGPT, Claude and any AI agent: create estimate, convert estimate to invoice, list invoices, add client and record payment in your own Joist account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Joist yourself; Cotlet does not store your password and you need no Joist API key. About the official Joist API: Joist has no public API (checked 26 Oct 2026): its help center and pricing page document none, and there are no webhooks. The only built-in link out is QuickBooks Sync, part of Joist Pro, which copies issued estimates and invoices to QuickBooks Online once a night. Setup and FAQ: https://cotlet.dev/integrations/joist-api-mcp-server
Dubsado MCP server for ChatGPT, Claude and any AI agent: create project, send form, send invoice, record payment and list unpaid invoices in your own Dubsado account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Dubsado yourself; Cotlet does not store your password and you need no Dubsado API key. About the official Dubsado API: Dubsado has no public API (checked 11 Oct 2026). Its only official connection is Zapier, on the Premier plan: five triggers and one action, Create Project. Setup and FAQ: https://cotlet.dev/integrations/dubsado-api-mcp-server
Accept bank transfers to Vietnamese bank accounts from your AI agent: create payment requests with VietQR and a hosted payment page, check payment status, cancel unpaid requests, list incoming and outgoing transactions, and see your prepaid balance. Money goes straight to your own bank account. Requires a BankOpenAPI API key in the Authorization header (Bearer boa_live_... or boa_test_... for the free Sandbox). Setup: https://bankopenapi.com/tai-lieu/ai-agent
Receipts, quotes and service orders for Brazil: drafted in chat, issued on Reciba with a QR check.
Search, negotiate and buy resource access with x402 test USDC on Ethereum Sepolia.
Pennylane MCP server for ChatGPT, Claude and any AI agent: create customer invoice, send invoice, upload supplier invoice, categorise transaction and list unpaid invoices in your own Pennylane account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Pennylane yourself; Cotlet does not store your password and you need no Pennylane API key. About the official Pennylane API: Yes, Pennylane has a public REST API (Company API v2) with read and write scopes for customers, customer and supplier invoices, transactions, categories and ledger entries (checked 14 Oct 2026). It needs the Essentiel plan or higher and an API token, and the official Pennylane MCP server is read-only for now: it cannot create or send an invoice. Setup and FAQ: https://cotlet.dev/integrations/pennylane-api-mcp-server
Invoice Ninja MCP server for ChatGPT, Claude and any AI agent: create invoice, send invoice, create quote, record payment and list overdue invoices in your own Invoice Ninja account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Invoice Ninja yourself; Cotlet does not store your password and you need no Invoice Ninja API key. About the official Invoice Ninja API: Yes, Invoice Ninja has a full REST API (checked 14 Oct 2026): invoices, quotes, clients, payments, products and more, authenticated with an API token you create in Settings. REST API access comes with the Ninja Pro, Enterprise and Premium plans, and the Free plan has none. Setup and FAQ: https://cotlet.dev/integrations/invoice-ninja-api-mcp-server
Knowify MCP server for ChatGPT, Claude and any AI agent: create job, create bid, create invoice, log time and get job cost report in your own Knowify account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Knowify yourself; Cotlet does not store your password and you need no Knowify API key. About the official Knowify API: Knowify has no public REST API (checked 11 Oct 2026). Its official AI Connector (MCP) lets users with admin permissions ask questions about jobs, billing, labor and collections, and is read-only for now. Setup and FAQ: https://cotlet.dev/integrations/knowify-api-mcp-server
Pixieset MCP server for ChatGPT, Claude and any AI agent: create gallery, upload photos, send invoice, list bookings and add client in your own Pixieset account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Pixieset yourself; Cotlet does not store your password and you need no Pixieset API key. About the official Pixieset API: Pixieset has no public API, no webhooks and no Zapier app (checked 11 Oct 2026). Its Apps & Plugins page lists the Lightroom plugin, the Studio Manager mobile app and Photo Editor, and no developer program. Setup and FAQ: https://cotlet.dev/integrations/pixieset-api-mcp-server
Method CRM MCP server for ChatGPT, Claude and any AI agent: list customers and leads, list overdue invoices, create estimate, convert estimate to invoice, send invoice, record payment, create activity and convert lead to customer in your own Method CRM account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Method CRM yourself; Cotlet does not store your password and you need no Method CRM API key. About the official Method CRM API: Method CRM has a full REST API with read and write access to permitted records, but no ready-made official MCP server (checked 23 Oct 2026). Method builds a custom MCP for a customer on request. Setup and FAQ: https://cotlet.dev/integrations/method-crm-api-mcp-server
Kommo MCP server for ChatGPT, Claude and any AI agent: list leads, accept incoming lead, move lead to stage, create task, reply to chat and add note in your own Kommo account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Kommo yourself; Cotlet does not store your password and you need no Kommo API key. About the official Kommo API: Kommo has a full REST API, but no Kommo-hosted MCP server in its docs (checked 20 Oct 2026). The API signs in with OAuth 2.0 or a long-lived token and allows 7 requests per second. Setup and FAQ: https://cotlet.dev/integrations/kommo-api-mcp-server
iFirma MCP server for ChatGPT, Claude and any AI agent: issue invoice, send invoice, send to KSeF, add cost and list unpaid invoices in your own iFirma account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to iFirma yourself; Cotlet does not store your password and you need no iFirma API key. About the official iFirma API: Yes. iFirma has a documented JSON API that issues invoices, lists them, records payments, sends them by email and to KSeF, and adds cost documents (checked 14 Oct 2026). Setup and FAQ: https://cotlet.dev/integrations/ifirma-api-mcp-server
Fatture in Cloud MCP server for ChatGPT, Claude and any AI agent: create invoice, send to SDI, add client, record expense and list unpaid invoices in your own Fatture in Cloud account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Fatture in Cloud yourself; Cotlet does not store your password and you need no Fatture in Cloud API key. About the official Fatture in Cloud API: Yes, Fatture in Cloud has a documented REST API (v2) for issued invoices, clients, received documents, e-invoices to SDI and attachments (checked 14 Oct 2026), but it has no official MCP server. To use it you register an OAuth 2.0 app, or create a manual access token in the web app, choose scopes and pick the companies the token applies to. Setup and FAQ: https://cotlet.dev/integrations/fatture-in-cloud-api-mcp-server
Fiken MCP server for ChatGPT, Claude and any AI agent: create invoice, send invoice, book purchase, add contact and list unpaid invoices in your own Fiken account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Fiken yourself; Cotlet does not store your password and you need no Fiken API key. About the official Fiken API: Yes, Fiken has a documented REST API (v2) for invoices, sales, purchases, contacts, offers, credit notes and attachments (checked 14 Oct 2026), but it is a paid add-on: 99 NOK per month for a company registered in Brønnøysundregistrene. Apps that serve other companies must register an OAuth2 app, and Fiken publishes no MCP server of its own. Setup and FAQ: https://cotlet.dev/integrations/fiken-api-mcp-server
MYOB MCP server for ChatGPT, Claude and any AI agent: create invoice, send invoice, record payment, create bill and list overdue invoices in your own MYOB account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to MYOB yourself; Cotlet does not store your password and you need no MYOB API key. About the official MYOB API: Yes, MYOB has a full REST API, the MYOB Business API, for sales invoices, bills, customer and supplier payments and contacts (checked 14 Oct 2026), but it is not open by default: you request access through the API support form, register an app in my.MYOB for a key and secret, and every user grants OAuth consent per company file. MYOB also runs an official connector for Claude and ChatGPT, but it is read-only and in invite-only beta in Australia, so no official MCP server creates or sends an invoice. Setup and FAQ: https://cotlet.dev/integrations/myob-api-mcp-server
Acumatica MCP server for ChatGPT, Claude and any AI agent: create AP bill, create AR invoice, release invoice, list open invoices and approve payment in your own Acumatica account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Acumatica yourself; Cotlet does not store your password and you need no Acumatica API key. About the official Acumatica API: Yes. Acumatica has a full contract-based REST API with OAuth 2.0 (checked 14 Oct 2026). Setup and FAQ: https://cotlet.dev/integrations/acumatica-api-mcp-server
