The MPP registry — 100+ Machine Payments Protocol tools, SDKs, services, and payment methods across 15+ chains. The definitive directory for Stripe + Tempo agent payments.
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Updated
May 2, 2026 - TypeScript
The MPP registry — 100+ Machine Payments Protocol tools, SDKs, services, and payment methods across 15+ chains. The definitive directory for Stripe + Tempo agent payments.
Turn any API or MCP server into a paid service
Prism AI: AI-powered full-stack web app that transforms text prompts into fully functional, responsive websites. Generate, edit, and publish projects in real-time with an interactive chat, visual editor, and version control.
MCP server for 402 Index: discover 15,000+ paid API endpoints across L402, x402, and MPP
Revenue triage CLI + public fit-check issue for products with attention but no paid conversion.
GitHub Actions failure diagnosis, bounty checks, and AGENTS.md audits for AI coding agents — Agent Skills and an x402-paid MCP server with MCP schema-drift checks.
AgentServices — Premium APIs for AI Agents. Crypto data, marketing intelligence, dispute resolution. x402 micropayments on Base.
Claude Code skill for x402 protocol development - provides expert guidance for building x402-based servers and payment-gated APIs
Listing Roast x402: $0.001 paid API listing quality, buyer-agent skip reasons, AgentCore Gateway search_resources, Coinbase Bazaar MCP proxy_tool_call discovery, and $0.01 full roast.
Public MCP/x402 listing packet plus inbound readiness check for Ontario Protocol.
autonomous API discovery, machine payment, retry, and protected data unlock.
29 Nostr protocol extensions (NIPs) for service coordination, trust, payments, disputes, key hierarchy, resource curation, and paid API discovery. Every NIP works independently -- no platform lock-in.
Read-only contract metadata and zero-cost preflight tools for ActionSeal's 20-USDC personalized agent-commerce launch endpoint on Base.
Hosted Remote MCP and stdio server for SynapseNetwork agent payments, paid API discovery, invocation receipts, and ChatGPT/Claude-compatible MCP clients.
Agent Skill for GitHub Actions root-cause diagnosis, safe retries, bounty checks, AGENTS.md audits, and MCP schema drift via x402
402.pub — ecosystem landing page + live service directory for Lightning-paid APIs
Bridge between toll-booth and 402-announce — announce your toll-booth service on Nostr for decentralised paid API discovery
Add a description, image, and links to the paid-api topic page so that developers can more easily learn about it.
To associate your repository with the paid-api topic, visit your repo's landing page and select "manage topics."