Programming interface for all agent harnesses
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Ranked by a public rubric, not by votes: what a comment adds counts, not who wrote it. How comments are ranked · Comment rules
Summary
OAR (Open Agent Runtime) is a provider-independent TypeScript interface for coding-agent runtimes such as Claude, Codex, Grok and Pi, letting developers drive any of them through one API and one set of events. Options a runtime cannot honor are refused up front rather than silently dropped.