Boundary Guard x402
MCP tools for x402 readiness, paid-path probes, launch packs, and trust receipts.
Connect it
Settings → Connectors → Add custom connector
URL: https://x402-resource-scanner.vercel.app/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://x402-resource-scanner.vercel.app/mcp{
"mcpServers": {
"boundary-guard-x402": {
"url": "https://x402-resource-scanner.vercel.app/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}claude mcp add --transport http boundary-guard-x402 https://x402-resource-scanner.vercel.app/mcp --header "Authorization: <value>"{
"servers": {
"boundary-guard-x402": {
"type": "http",
"url": "https://x402-resource-scanner.vercel.app/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}6 tools, verified live
boundary_guard_checkread-onlyCreate a deterministic, read-only pre-action receipt from request, policy, and optional result evidence. Use before an agent posts, spends, lists, or writes so the decision can be audited; no external action is executed.
scan_x402_resourceread-onlyRead-only scan of a public API/provider URL for x402, OpenAPI, pricing, and agent-discovery metadata. Pass url, and optionally marketplace_url plus expected_resources, to get a readiness score, issues, and fixes; no private endpoints are called.
probe_x402_paid_pathread-onlyProbe a public x402 paid endpoint without signing or paying, then parse the HTTP 402 challenge. Pass target plus optional expected network/asset/price to verify payment metadata and receive a deterministic health receipt.
check_agent_tool_readinessread-onlyGateCheck readiness: check whether an x402/agent-facing tool is ready for agent routing, marketplace listing, and paid-path monitoring, including public agent discovery surfaces (/llms.txt, /agents.txt, /.well-known/mcp.json, /mcp). Pass target plus optional tier, marketplace_url, expected_resources, and paid_path; deep/report tiers add unpaid 402 probing when paid_path is supplied. Tiers: quick $
generate_x402_launch_packread-onlyGenerate marketplace-safe launch assets for an x402/MCP seller: listing copy, buyer FAQ, checklist, approval packet, and claim boundaries. Pass target plus optional product_name, audience, primary_use_case, marketplace_url, and paid_path; service/premium tiers include readiness evidence. Tiers: single $9, service $29, premium $49.
generate_trust_receiptread-onlyGenerate a deterministic trust receipt from sanitized request/policy/result/payment summaries. Do not submit raw auth headers, cookies, API keys, private keys, payment signatures, payment response headers, customer prompts, customer documents, or payer-identifying evidence.
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