MCP tools for x402 readiness, paid-path probes, launch packs, and trust receipts.
Free
4 servers across payments & billing and web, search & scraping. The largest is Boundary Guard x402.
Payments & Billing · Web, Search & Scraping
4
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4 MCP servers. 4 of 4 are free to start.
One-cent x402 and MCP readiness checks plus fixed-price marketplace launch packs.
Free
Five-to-twelve-cent source-attributed public URL and domain result packs for AI agents.
Free
One-to-three-cent spend routing, lead research, token-risk, and agent-tool comparison preflights.
Free
Authentication
0 of 4 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
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Community publisher
Listed without a verification tick. Read the listing before installing.