"A tool for reading, understanding, and summarizing code in GitHub repositories" matching MCP servers:

Credit and payments for AI agent developers — over MCP. No crypto required

Free x402 endpoint checker plus paid report and metadata tools. Remote MCP server for agents. Written by AI named Nock, not a human.

Pay-per-call USDC payment proxy for AI agents. Issue scoped Pay Tokens with hard spending caps and auto-journal every charge to freee / Money Forward / QuickBooks.

Automates Spectrum/Charter ISP account management tasks such as viewing account overview, paying bills, checking outages, and scheduling technician visits via browser automation.

An MCP server that enables AI assistants to automate Cash App payments, balance checks, and transaction management via browser automation.

Deprecated browser-automation MCP server for Venmo, PayPal, and Cash App (withdrawn due to ToS violations, account suspension risk, and credential exposure). Do not use.

Enables AI agents to manage spa/wellness operations via Zenoti API, including appointments, guests, services, and billing.

Create German invoices (§14 UStG) via Claude or any MCP-compatible AI by describing the invoice in natural language.

Provides a three-layer payment firewall for AI agents, enabling identity verification, risk screening, and execution authorization with on-chain policy enforcement for secure and auditable transactions.

Enables AI assistants to manage USAA bank and insurance accounts — check balances, view transactions, transfer funds, pay bills, and more — through the Model Context Protocol.

Provides a non-custodial USDC wallet on Base for AI agents, with human-in-the-loop approval for every payment.

x402-trust gives AI agents a "check before you pay" layer for the x402 ecosystem.

A template for building MCP servers with a built-in paywall gate that offers free local execution and premium server-side execution via Stripe and x402 payment lanes.

Create free, no-signup invoices from your AI assistant — the create_invoice tool returns a link that opens blankinvoicemaker.com pre-filled, ready to download as a watermark-free PDF.

Enables AI agents to manage a fictional B2B workspace SaaS (Tessera) with tools for ticketing, invoicing, customer management, and trial extensions, featuring a human-in-the-loop confirm pattern for safety.

A demo MCP server exposing billing operations (invoices, customers) with no built-in safety, designed as a test target for NitroWatch governance. It allows reading, sending, archiving, and permanently deleting accounts/invoices without confirmation.

Enables reading the school lunch calendar, managing students, placing and changing orders, and tracking deliveries and payments on a My Hot Lunchbox parent account. It signs in server-side with account credentials and exposes 38 MCP tools with confirm-gated write operations.

MCP server for Samsung Smart TV in-app payment (Samsung Checkout/DPI) development, enabling AI coding tools to provide real-time API references, code generation, troubleshooting, and implementation guides.

A production-ready MCP server with 24 tools for Stripe, Twilio, Resend, GitHub, and Slack, plus pre-built workflow prompts and live resources.

Enables interaction with Safaricom M-Pesa Daraja 3.0 API, covering payments, disbursements, treasury, and fraud checks, with a built-in simulator for testing without credentials.