"LLVM compiler infrastructure and toolchain" 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

Payment infrastructure MCP server enabling AI agents to make gasless USDC payments on Base and JIT single-use virtual card checkouts, with zero-trust card handling, merchant checkout hints, and signed receipts.

Trust infrastructure for the machine economy. Gives AI agents non-custodial smart accounts (ERC-4337), x402 payments, on-chain reputation via ERC-8004 trust registry, and service discovery. 8 tools: create accounts, transfer, check balances, pay for x402 services, publish/discover services, manage payment agreements, and send encrypted messages.

AI-native payment infrastructure that enables AI agents to make purchases, issue virtual cards, and manage spending within delegated budgets and policy controls.

Identity infrastructure for the agent economy. Mint an agent ~handle in two free calls with no human account, then verify anyone and read inferred traits under the consent the person set in advance.

Enables group expense management and fair settlement via MCP, allowing creation of groups, recording expenses, viewing balances, and computing minimal transfers to settle debts.

Wraps the Bridge.xyz stablecoin infrastructure API to enable AI assistants to manage customers, wallets, virtual accounts, transfers, and more for fiat and crypto payments.

Enables AI agents to buy, hold, and transfer CPI-pegged FLAT stablecoin without wallets or gas. Provides tools for earning through tasks, trading, and managing balances via MCP.

Enables opening a Vivid Business account directly from an AI chat by sharing company details or documents, with automatic extraction and pre-filled setup.

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.

MCP server for Korean payment gateways, providing tools to query and cancel payments for PortOne and TossPayments, and verify PortOne webhooks.

Enables AI agents to discover, pay for, and retrieve receipts for external APIs via USDC micropayments through the SynapseNetwork Gateway, supporting stdio and Remote MCP.

Enables responders to discover, read, and answer data requests via the Reqport API, providing tools for health checks, request listing/reading, payload decryption, and responding to business-relationship or generic requests.

Enables full CRUD operations on 29 QuickBooks Online entity types and 11 financial reports via natural language, allowing users to manage customers, invoices, payments, and more through MCP-compatible clients.

Track, analyze, and act on your streaming & SaaS subscriptions from any AI agent.

Enables AI agents to manage subscriptions, usage-based billing, payments, refunds, tax compliance, and invoicing to drive revenue growth.

Enables AI agents and users to access an account-owned crypto wallet via MCP, providing tools for balances, transfers, swaps, bridging, merchant checkout, policy-constrained contract calls, signing, app connections, and Hyperliquid spot/perpetual orders.

MCP Server for agents to onboard, pay, and provision services autonomously with InFlow