Open Knowledge Format: I Already Do This, and Now It Has a Name

TLDR Google Cloud shipped the Open Knowledge Format (OKF): a directory of Markdown files with YAML frontmatter that any agent can read and any human can edit. No SDK, no runtime, no database. I already do something like this in every coding repo. Markdown files the agent reads before it works, frontmatter on top, linked together. OKF is that pattern with a name and a tiny spec. The part I actually like is the frontmatter. One required field (type), a handful of optional ones, and now the files are queryable instead of just readable. This is semantic memory for agents, standardized. It’s the same idea as CLAUDE.md and AGENTS.md, pushed one step toward “portable between tools.” A format is worth more than another knowledge service. You can write OKF by hand today without installing anything, and that’s the whole point. I already keep my knowledge in Markdown I don’t write much code by hand anymore. I delegate to a coding agent and review the output. And the single thing that decides…