"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.
PeoplePerHour MCP server for ChatGPT, Claude and any AI agent: search projects, get project brief, search freelancers, get freelancer profile, search Offers, get Offer, list categories and get account in your own PeoplePerHour account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to PeoplePerHour yourself; Cotlet does not store your password and you need no PeoplePerHour API key. About the official PeoplePerHour API: PeoplePerHour has no public API and no developer docs (checked 12 Oct 2026). Projects, freelancers and Offers are searched and read in the website only, and the one built-in alert is an email, instant or daily, from up to 10 saved searches. Setup and FAQ: https://cotlet.dev/integrations/peopleperhour-api-mcp-server
Teamleader MCP server for ChatGPT, Claude and any AI agent: list overdue invoices, send invoice reminder, list quotations, send quotation, move deal to a phase, create task, add note and search companies in your own Teamleader account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Teamleader yourself; Cotlet does not store your password and you need no Teamleader API key. About the official Teamleader API: Teamleader has a full public API, version 2, but no official MCP server (checked 20 Oct 2026). Each call is a POST such as companies.list or invoices.send. Setup and FAQ: https://cotlet.dev/integrations/teamleader-api-mcp-server
TaxDome MCP server for ChatGPT, Claude and any AI agent: create job, request documents, send invoice, message client and list overdue tasks in your own TaxDome account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to TaxDome yourself; Cotlet does not store your password and you need no TaxDome API key. About the official TaxDome API: TaxDome has no public API that firms can use today (checked 14 Oct 2026). Its Zapier integration only creates, updates and finds contacts, and TaxDome MCP, which would let Claude or ChatGPT work in a firm account, is announced but not open yet and is offered to Professional and Business plan firms first. Setup and FAQ: https://cotlet.dev/integrations/taxdome-api-mcp-server
Recurly MCP server for ChatGPT, Claude and any AI agent: find account, change subscription, cancel subscription, refund invoice and list past-due accounts in your own Recurly account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Recurly yourself; Cotlet does not store your password and you need no Recurly API key. About the official Recurly API: Yes, Recurly has a full REST API for accounts, subscriptions, invoices, transactions and coupon redemptions (checked 14 Oct 2026). It authenticates with one private API key for the whole site, and Recurly's own MCP server, Compass, only searches the docs and writes code examples; it does not change your billing data. Setup and FAQ: https://cotlet.dev/integrations/recurly-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
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
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
Alegra MCP server for ChatGPT, Claude and any AI agent: create invoice, email invoice, record payment, add contact and list unpaid invoices in your own Alegra account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Alegra yourself; Cotlet does not store your password and you need no Alegra API key. About the official Alegra API: Yes, Alegra has a REST API for invoices, contacts, payments and items (checked 14 Oct 2026). You call it with your account email and an API token, and Alegra Help says integrations need the Plus plan. Setup and FAQ: https://cotlet.dev/integrations/alegra-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
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
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
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
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
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
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
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
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
Accelo MCP server for ChatGPT, Claude and any AI agent: list tickets, reply to ticket, update ticket, log time, create task and create quote in your own Accelo account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Accelo yourself; Cotlet does not store your password and you need no Accelo API key. About the official Accelo API: Accelo has a full REST API and a hosted MCP server, but the MCP server is built for questions about your data (checked 17 Oct 2026). The API covers companies, contacts, tickets, projects, tasks, activities, quotes and invoices, and you register an OAuth application under Configuration > API to use it. Setup and FAQ: https://cotlet.dev/integrations/accelo-api-mcp-server
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.
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.
Escrow for AI agents on the XRP Ledger. 51 tools. Free testnet sandbox (no real XRP).
SuiteDash MCP server for ChatGPT, Claude and any AI agent: create contact, create project, create invoice, add task and send portal message in your own SuiteDash account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to SuiteDash yourself; Cotlet does not store your password and you need no SuiteDash API key. About the official SuiteDash API: SuiteDash has a Secure API for Super Admins and Admins, with monthly call caps, but its Zapier app only covers contacts, companies, projects and tasks (checked 11 Oct 2026). No official endpoint or Zapier action creates invoices, records payments, sends portal messages or shares files. Setup and FAQ: https://cotlet.dev/integrations/suitedash-api-mcp-server
SnelStart MCP server for ChatGPT, Claude and any AI agent: create sales invoice, add relation, book entry, list open items and upload document in your own SnelStart account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to SnelStart yourself; Cotlet does not store your password and you need no SnelStart API key. About the official SnelStart API: Yes, but it is gated (checked 14 Oct 2026). SnelStart has a B2B API for software partners: you request a connection, get a development key and portal access, and a production integration for several users needs certification, OAuth, a webhook URL and at least five named customers. Setup and FAQ: https://cotlet.dev/integrations/snelstart-api-mcp-server
Lexware Office (lexoffice) MCP server for ChatGPT, Claude and any AI agent: create quote, create invoice, finalise invoice, upload receipt and add contact in your own Lexware Office (lexoffice) account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Lexware Office (lexoffice) yourself; Cotlet does not store your password and you need no Lexware Office (lexoffice) API key. About the official Lexware Office (lexoffice) API: Yes, Lexware Office has a public REST API with an API key (checked 14 Oct 2026). It covers quotes, order confirmations, invoices, contacts, file uploads, payments (read only) and webhooks, but only from version XL, and Lexware publishes no MCP server of its own. Setup and FAQ: https://cotlet.dev/integrations/lexware-office-api-mcp-server
Invoice Simple MCP server for ChatGPT, Claude and any AI agent: create invoice, send invoice, create estimate, list unpaid invoices and mark invoice paid in your own Invoice Simple account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Invoice Simple yourself; Cotlet does not store your password and you need no Invoice Simple API key. About the official Invoice Simple API: Invoice Simple publishes no public API, API keys or developer documentation; its plans offer built-in payment integrations instead (checked 8 Nov 2026). It has no official MCP server. Setup and FAQ: https://cotlet.dev/integrations/invoice-simple-api-mcp-server
