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Payment layer for MCP servers and plain HTTP APIs. Wrap existing servers with per-call x402 pricing; includes hosted registry and createPaidMcpHandler tooling.
Starter templates for monetizing MCP servers three ways: no-code (xpay), DIY x402 (USDC, ~50 LOC), and Stripe metered billing. TypeScript, with demo tools (summarize, sentiment, keyword extraction).
Provider-agnostic Python payment middleware for MCP servers. Adds @price decorators for pay-per-request billing; supports x402 (USDC on Base and Solana) plus Stripe, PayPal, Coinbase Commerce and others, with Mode.AUTO selecting a provider by client capability.
Open-source wrapper over mcp-handler adding paidTool() to Next.js MCP servers, plus withPayment() for AI SDK clients. The reference x402+MCP integration.
Delta of the MCP registry since a daily baseline: added, removed, and changed (score/status) servers — the cheap habit endpoint for repeat callers.
Returns a structured knowledge graph of the AI tooling ecosystem, expandable by topic and depth, for navigating MCP servers and related capabilities.
Assess an MCP server URL for supply-chain and registry risk before your agent connects to it or grants it tool-calling access — flags unverified publishers, known-malicious servers, and other trust signals. Call before an autonomous agent adds a new MCP server to its toolset.