I have been writing about this since March 2017, kept expanding it through 2018 with a diagram that I brought to talks and workshops, and reinforced it again in 2020. Coming back from APIDays Amsterdam, the same message needs saying again — now with MCP and Agent Skills freshly added to the shelf. The diagram above is my current read on the toolbox.
Your Diverse API Toolbox
calendar_today
June 12, 2026
domain
programmableweb