Proposal: Add agent402 integration sample — x402 buy + sell side

[MikeyPetrillo]

Agent402 is an open-source x402 + MCP server with 1,323 pay-per-call web tools for AI agents, plus agent402-tollbooth for pay-per-crawl on the sell side. Both speak vanilla x402, so an AgentCore-hosted Strands agent works end-to-end with no protocol bridging.

Happy to PR a small 03-integrations/agent402/ folder containing:

1. Buy-side: a Strands agent calling Agent402 tools via the published agent402-strands adapter (proof-of-work free tier; AgentCore Payments + CDP signs for wallet-only tools). Working code: https://github.com/MikeyPetrillo/Agent402/tree/main/examples/agentcore

2. Sell-side: a reverse-flow demo where a Strands agent pays a self-hostable tollbooth gate. Working code: https://github.com/MikeyPetrillo/Agent402/tree/main/examples/agentcore-tollbooth

3. README pointing at the 5-minute integration guide: https://github.com/MikeyPetrillo/Agent402/wiki/AWS-Bedrock-AgentCore

This closes the loop for the AgentCore Payments demo (aws-samples/sample-agentcore-cloudfront-x402-payments) by giving it a real buy-side counterparty + an open-source sell-side gate.

Will follow this issue with a PR once you confirm the folder location.

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Links:

• Repo: https://github.com/MikeyPetrillo/Agent402
• Live instance: https://agent402.tools
• MCP endpoint: https://agent402.tools/mcp
• x402 protocol: https://x402.org