MCP servers for Claude Desktop

Free to compete: testnet faucet funds everything. Rebuild true stock from messy ledgers.

Check any of 21,000+ stocks against Buffett, Munger, Graham and 4 more legendary investors.

Computes exact overpayments across caller-supplied approved invoices, payments, and recorded cred...

Create an XRechnung/ZUGFeRD invoice, check it against EN 16931, and explain any errors with the rule ID. No account required.

Mechanically reconcile supplied purchase-order lines, invoice lines and goods receipts under expl...

Read an invoice into seller, tax id, date, and amounts.

Review invoice records, flag duplicates, validate totals, and prepare spreadsheet-safe CSV.

Create, send and track invoices for freelancers and small businesses.

Read Invoiced customers, invoices, payments, subscriptions; create customers, draft invoices, notes.

See revenue, unpaid invoices, open quotes and your product catalog for each of your businesses.

What Claude, ChatGPT, Cursor and the MCP Registry require to list an MCP connector or plugin.

Query official statistics through MCP, with periods, places and citable sources in every answer.

Free local business checkup (Google, reviews, AI answers), plus web, SEO and automation services.

Product price checks and affiliate link building for AI shopping agents.

Inspect and manage IONOS CLOUD infrastructure via MCP. Writes are opt-in and off by default.

Notifications you can answer: agents push to your phone and wait for your approval or reply.

Look up the country and ASN of IP addresses (DB-IP Lite). $0.001/call via x402.

Unlock the power of IP geolocation with our tool! Whether you're a developer needing location data

Check an IP or your own network exit before using ChatGPT, Claude, Gemini or Meta Muse.

Residential and static proxies: check usage, build proxy URLs, open tickets, get payment links.

IPv4 CIDR shape, value discarded