"Flutter and Dart source code repositories" matching MCP servers:

Discover audio and LLM services, compare seven voices, and check prices for free. Generate speech, transcribe audio and request LLM text with optional capped USDC payments on Base; voice-cloning requirements are also available.

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

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.

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.

Universal x402 buyer agent — discover, pay for, and call any x402 paid API endpoint from Claude Desktop, Cursor, or Claude Code with automatic USDC payment via AgentCash.

Enables creating and tracking payment invoices and retrieving watchlist net-worth and source data via the FinCobra Checkout and Watchlist APIs.

MCP server for the PayPay Open Payment API, enabling QR code creation, payment tracking, refunds, and cancellations with sandbox and production support.

Russian business paperwork as PDF: invoices with a bank payment QR code (GOST R 56042), acts of completed work, payment QR codes and amounts in words. Requisites are checksum-validated; fully local, no API key.

MCP server exposing the Swarmwage agent hire protocol as tools for any MCP-compatible AI agent (Claude Desktop, Claude Code, Cursor, Cline, etc.)

Enables MCP hosts like Claude, VS Code, Cursor, and others to discover payment methods, create payment links, verify payments, inspect invoices, and manage refunds through focused tools, with a guided safe payment workflow and a restricted generic API escape hatch.

An MCP server that lets your AI coding agent (Claude Code, OpenClaw, Codex, Cursor, etc.) discover and pay on-chain agents registered on ERC-8004, using Coinbase's official x402 protocol. No smart account. No bundler. No relay. Just your EOA, an HTTPS request, and an automatic 402 → sign → retry flow.

A wallet for AI agents with spending limits: pays x402 and MPP APIs in USDC (Base, Solana, Algorand) and RLUSD (XRP Ledger), checks every payment with presign-guard first, and asks for approval on your phone above your limits. Source in the wallet-mcp folder; npm: presign-guard-wallet-mcp.

Governor is an MCP server that acts as a safety belt for AI agent payments, providing a three-layer deterministic evaluation (rules, behavior anomaly, and intention coherence) to approve, escalate, or block payments before execution, and integrates directly with Claude Code.

Enables agents to request payment authorization against signed human mandates, enforcing policy-as-code limits and returning a decision (authorize, challenge, or deny) without moving funds.

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.

Enables coding assistants to install ProAbono in-site by generating integration code prefilled with the user's real configuration, searching documentation, querying the live API, and managing customers and subscriptions.