"Redmine Project Management Tool" matching MCP servers:

Enables AI agents to discover and pay for x402-gated HTTP APIs, handling 402 Payment Required flows with local signing. Supports EVM and Solana with non-custodial wallet management.

Enables running a local MCP server for Poland's KSeF (Krajowy System e-Faktur) e-invoicing system, so invoice data stays on the user's own machine rather than passing through an intermediary service. It currently exposes only a diagnostic server_info tool, with invoice search and retrieval tools still to come.

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 MCP clients to access all endpoints of an x402 gateway by paying real-time microtransactions (USDC on Base) per API call, with automatic tool discovery and spend guardrails.

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.

Exposes all 379 Invoice Ninja v5 REST API endpoints through three consolidated tools (list, describe, call), enabling full invoice management and business operations via natural language.

MCP server for eBay buyer-side workflows enabling search, watch, bid, buy, and management of MyeBay via a hybrid REST and Trading API stack.

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

Decodes HTTP 402 challenges into exact payment and retry steps, recommends a payment rail from stated requirements, and searches an open registry of scored payment solutions with scheme references and support probing. Every tool is read-only, so nothing can spend money.

Connects to the Lexware Office API to provide read and write access to accounting data such as invoices, contacts, vouchers, and articles. Enables natural language queries and management operations through an MCP client.

MCP server for the Hosannaith x402 reliability oracle on Algorand. Gives any agent a tool to score an x402 endpoint's reliability — uptime, correct HTTP 402 behaviour and latency — before paying it.

Enables AI agents to create and wait on Ethiopian birr checkouts, manage products and orders, preview and (when explicitly enabled) send payouts, verify and test webhooks, and search Jami's documentation. Every tool mirrors the official JamiDev SDK and REST API, with money handled as integer santim and withdrawals gated behind opt-in flags.

MCP server that gives Claude/GPT agents commerce tools — each tool call pays an upstream x402 endpoint and returns its artifact.

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

Enables AI agents to create stablecoin payment links with QR codes and hosted checkout pages, and to check, list, validate or delete payments across Stellar, Solana and Monad using an API key. Read-only mode, scoped keys and tool annotations keep fund-moving and destructive actions under user control.

Universal CLI and MCP server providing unified payment links, customer prefilling, expiring checkouts, refund management, fee comparison, and HMAC-verified webhook proxying across Stripe, Razorpay, and LemonSqueezy.

Enables an MCP client to answer revenue questions about a Stripe account — normalized MRR/ARR, subscription and customer churn, failed payments and a one-call revenue summary, all grouped per currency. Access is read-only and a built-in deterministic demo dataset lets every tool be tried without a Stripe API key.

Enables querying a ForexTrackr instance's read-only API with scoped tools for account lookup, sessions, dashboards, executive, operations, payments, retention, sales, and management data. Supports multiple firms through login, logout, and firm-switching.

Enables Brazilian developers to validate CPF/CNPJ documents and boleto digitable lines, generate and verify static Pix BR Code payloads with CRC16, compute Price-table installment schedules, and locate a salary within configurable pay bands. It also exposes a tool catalog resource and a billing-check prompt that ties document and Pix verification together.

Enables individual proprietors and freelancers to manage daily accounting tasks like journal entries, invoice creation, and monthly reconciliation through simple tool calls, using freee's API.

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

MCP server for CourtReserve racquet-sports club management, enabling AI clients to manage members, reservations, events, and transactions via natural language.

Enables AI agents to make payments and manage subscriptions by converting USDC stablecoin balances into virtual cards for online checkouts. It provides tools for wallet management, card issuance, and secure transaction handling through the Clawallex payment API.

Enables agents to play the Crowns medieval world game through tool calls instead of composing raw HTTP requests. It handles x402 USDC payments from the agent's own wallet, letting the model claim land, build, trade, and wage war.

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

MCP server for Sherweb Partner API - distributor billing, service provider management, customer subscriptions, and payable charges

Enables AI agents to interact with the Lemma healthcare banking API, supporting read-only account, entity, card, and transaction operations by default. It also allows carefully gated money movement and card management when explicitly enabled and confirmed.

Non-custodial stablecoin bill payments (airtime, data, electricity, cable, education) on Celo mainnet, reachable via x402 (zero setup, EIP-3009), a linked wallet's PIN-gated MCP/A2A tool catalog, or plain natural language on Telegram/WhatsApp/X.

Enables MCP tool developers and AI agents to track payments, calculate sales tax liability, and ensure tax compliance across US jurisdictions.

MCP server for PayTabs payment gateway (MENA region). Enables payment page creation, transaction management, refunds, voids, tokenization, and payment method discovery.