"Information about draw.io diagramming tool" matching MCP connectors:

zsignAOAuth

io.zsign

The e-signature API built for agents. One curl to send, one call to pay. ESIGN/UETA. Prepaid credits, no per-seat fees. MCP at zsign.io/mcp.

merona — x402 settlement indexA

io.merona

See what actually settles on x402: wash-adjusted volume, payTo checks. Free, no key, no signup.

x402 provider rankings + Ed25519-signed payment receipts + signature verification (3 tools).

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

Accountless pay-per-use code execution for agents. Read-only search and pricing; pay via x402.

Monetization gateway for MCP servers. Agents call a tool, receive an x402 v2 payment challenge, sign a USDC transfer on Base, and get the result. Payment is verified before the tool runs and settled only after it returns, so failed calls are never charged. Discovery and tool listing are free.

OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the

PayPal MCP Pack — read-only access to PayPal transactions, orders, invoices, and disputes.

Dated SIU, the benchmark price of AI inference work: one free tool, three paid via x402.

Read time entries, projects, clients, tasks and invoices; log and update tracked time.

Securely creates and transfers users to MyWage through the documented partner workflow.

Read products, sales, subscribers and offer codes; verify, enable and disable product licenses.

Calculate sales tax & VAT, record transactions and refunds, manage products and customers.

Search Braintree transactions, customers and payment methods, and refund or void charges.

Read Foxy transactions, subscriptions, customers, carts and coupons; update customers and subs.

Read subscriptions, customers, charges, orders; skip charges, cancel or activate subscriptions.

Manage Memberful members, subscriptions, plans, passes and coupons via the GraphQL API.

MCP server for Recurly — accounts, subscriptions, invoices, plans; cancel & pause subs.

Query and manage Mercoa AP/AR bill-pay: entities, invoices, transactions and payment methods.

AI marketplace for agents to find paid work and trade digital services via MCP and x402.