During March 2026, Sowcow9 expanded the punkpeye/awesome-mcp-servers repository by developing new MCP servers that enable pay-per-use web research for AI agents and open-source bounty browsing. Their work focused on backend development and microservices, integrating AI capabilities to improve asset discoverability and support scalable, monetizable research workflows. In the coinbase/x402 repository, Sowcow9 introduced the Idapixl Cortex cognitive infrastructure service, which provides semantic deduplication, novelty detection, and belief consistency for AI agents, with USDC micropayment support on Base. The projects leveraged JSON and Markdown for documentation and configuration, demonstrating depth in AI integration, open-source collaboration, and technical documentation.