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.
Model Context Protocol (MCP) server for Italian Electronic Invoicing (FatturaPA / SDI). Provide tools to validate, generate, and explore API specifications for Sistema di Interscambio (SDI) interoperability.
MCP server that gates API calls to AI agents using proof-of-work (free) or Lightning payment (3 sats), providing challenge, verify, and status tools for per-call authentication without accounts.
A local MCP server that integrates ProofJSON to assess invoices before payment, providing allow/review/block decisions with confidence scores and verification capabilities.
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.
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.
A Model Context Protocol server that enables LLMs to interact with the Lob.com API for address verification and sending physical mail. It provides 76 tools across 12 resource groups including postcards, letters, checks, and templates with built-in safety features for production use.
Enables AI agents to generate documents (PDF/DOCX/Factur-X) and manage electronic signatures (eIDAS/PAdES) via natural language using LayerOne's DocX and Sign APIs.
Model Context Protocol (MCP) server for Polish Electronic Invoicing (KSeF / FA(2)). Provides tools to validate, generate, and explore API specifications for KSeF interoperability.
Model Context Protocol (MCP) server for French Electronic Invoicing (NF XP Z12-013). Provide tools to validate, generate, and explore API specifications for PDP/OD interoperability.
Connects AI assistants to the Danish accounting platform Billy (billy.dk) for managing invoices, journal entries, balances, and receipts, with built-in human approval for all write operations.
An MCP server for Valta that exposes financial governance tools for AI agents, including spend authorization and audit trail via MCP-compatible clients.