API Evangelist — 6 posts on September 22

Published on API Evangelist:

• Arazzo Functions Are Still a Proposal, and That Is the Point
• Constant Contact Is Putting Prompt Engineering In Its OpenAPI
• Optimizing my AI Spend with an Open Model, A Commercial Model, and Deterministic Scripts
• Put The LLM On A JSON Schema Leash, And Give Markdown A Vocabulary
• Skills Over MCP Is Final, And Now It Needs Servers
• The Gateway Is a Tired Concept, Because Gateways Are About Power