"Information about blockchain technology" matching MCP servers:

Enables querying MRR, churn, and revenue from Stripe, Gumroad, and Lemon Squeezy directly inside Claude, allowing natural language questions about business metrics.

Enables AI agents to call x402-gated APIs using a central credit balance, abstracting away blockchain complexity and payment proofs. It provides tools to fetch data from payment-required endpoints, check usage balances, and simulate transaction costs.

Enables users to connect bank accounts within a chat session using Sophtron's UCW widget and query account information, owner details, and transactions persistently.

Enables AI assistants to read Itaú bank account information (balances, statements, credit card bills, investments) via Open Finance Brasil, read-only.

A one-command paywall for local servers that enables testing AI agents' payment flows by simulating HTTP 402 Payment Required responses. It proxies requests with valid payment headers to the actual server, making it easy to develop and test x402 client logic without real blockchain transactions.

Connects Mercado Pago accounts via Open Finance Brasil to AI assistants for read-only queries about balances, statements, credit card bills, and investments.

Enables AI agents to retrieve and analyze Dwolla payment platform data using natural language, with read-only access to accounts, transfers, customers, and compliance information.

Blockchain-anchored e-signatures. Create, send, negotiate, and verify legally binding agreements — every signature anchored to XRPL + Bitcoin with public verification. Agents can pay autonomously.

Connects PagBank accounts to AI assistants via Open Finance Brasil, enabling natural language queries about balances, statements, credit card bills, and investments. Read-only and regulated by the Central Bank.

AI-powered personal finance analysis through Claude AI using Plaid integration, enabling natural language queries about transactions, subscriptions, budgets, and spending trends.

Exposes Charles Schwab brokerage data to AI assistants via MCP, enabling natural language queries about positions, option chains, account balances, and trade audits with Lightning micropayment monetization.

Exposes Recapfy's paid endpoints as MCP tools to ask questions about YouTube videos and fetch full transcripts, with automatic USDC payment on Solana per call.

Enables natural language queries about Porto Bank accounts via Open Finance, including balances, statements, credit card bills, and investments, using Claude, ChatGPT, and AI agents.

Connects Player's Bank via Open Finance Brasil to AI assistants, enabling natural language queries about balances, statements, card bills, and investments, read-only.

Connects 99Pay accounts to AI assistants via Open Finance Brazil, enabling natural language queries about balances, statements, card bills, and investments in read-only mode.

MCP server enabling agents to pay for x402 services on the Kaspa blockchain, with tools for checking address, balance, inspecting offers, and making capped payments.

Enables querying Brazilian toll payment information (Pedágio Digital) from an official source through a hosted, read-only MCP server, with pay-per-use prepaid credits and no platform credentials required.

Connects RecargaPay accounts to AI agents via Open Finance Brasil, enabling read-only queries about balances, statements, credit card bills, and investments in natural language.

Enables AI agents and LLMs to interact with the PAYONE Commerce Platform through MCP tools for managing commerce cases, checkouts, payments, orders, and payment information.

Connects your Ágora bank account via Open Finance Brasil to AI agents like Claude and ChatGPT, enabling natural language queries about balances, statements, credit card bills, and investments in read-only mode.