This is a short update on XAIP since my earlier write-up on portable trust. The main changes are: a new public demo, refreshed live numbers, and receipts from MCP, LangChain.js callbacks, and OpenAI-compatible tool-call loops in the same public trust graph. I've been building XAIP, a provider-neutral signed execution evidence layer for AI agent tool calls. The basic idea is simple: before an agent delegates work to an external tool, it should be able to inspect historical execution evidence from previous signed receipts. XAIP is not another agent framework. It sits underneath agent runtimes as a portable receipt layer. The receipt format is the same regardless of which runtime emitted it.…