"Definition and usage of the word 'word'" matching MCP servers:

Enables building client statements of account from existing invoices, credit notes, and deposits, with aged outstanding balances, PDF/plain-text output, and drafted payment chasers at friendly, firm, or final levels.

Enables interacting with the GTA7 Lab city bank through MCP tools, including balance checks, transaction searches, PIX transfers, bill payments, card issuance, loan simulation and requests, and investments.

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

Enables operators to run a monetized multiplayer hive-race game, using Tollbooth DPYC Bitcoin Lightning micropayments for paid tools, pricing, credential intake, board management, match coordination, and settlement tracking.

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.

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

Connects Claude to the customer side of Housecall Pro, letting you view estimates and invoices, check company details, and decline estimate options using the link your contractor sent.

Enables querying OpenCode Go subscription quota (rolling, weekly, and monthly usage) and Zen prepaid balance as MCP tools.

Exactly-once execution for irreversible agent actions: an agent claims the right to run an effect, and a retry after a lost response returns the sealed result instead of charging again. 12 tools over stdio, including a gateway mode where the agent holds a single-use ticket and never the provider key.

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.

Pactus is an MCP server for parsing and validating ISO 20022 payment messages directly from chat. It exposes nine tools that let AI assistants inspect or validate pacs.008, pacs.002, pain.001, and camt.053 messages — the message types at the centre of the CBPR+ migration — without leaving the conversation.

Integrates usage-based billing into AI coding tools, enabling meter usage, signal verification, and billing management via the ClockNext API.

Enables AI assistants to interact with the full range of Paystack APIs, allowing operations like transaction management, customer creation, and payments through natural language.

Stateless HTTP MCP service that exposes the Pax8 Partner API as tools for AI assistants to query companies, subscriptions, invoices, orders, products, and usage data.

MCP server for Italian electronic invoicing via the Invoicetronic API, enabling management of invoices through SDI with 20 tools for sending, receiving, exporting, and more.

Universal billing gateway for MCP servers. Add Stripe subscription billing to any MCP server with one line of code. Supports tiered plans, usage tracking, and automatic access control.

Connects AI agents to Revenium for cost tracking, alerting, and usage-based billing, enabling AI assistants to manage costs, set alerts, and handle billing operations.

The trust-and-settlement rails of the agent economy: identity, trust, escrow, metering, arbitration, compute-carbon ledger, covenant, provenance, offsets, ERC-8004 bridge, surety, notary, and discovery — plus sellable measurement/CAD services. Durable, machine-checkable invariants, free rails.

Integrates PayU payment services with AI tools through the Model Context Protocol, enabling payment link creation, transaction retrieval, and settlement analysis.

An MCP server that enables AI agents to search, pay for, and call paid APIs using the x402 protocol, with automatic USDC settlement.