Zero
Vercel's programming language built for AI agents
What it does
Zero is Vercel's experimental programming language designed for a world where AI agents write the code. Instead of editing source text, agents query and patch a semantic program graph while the compiler checks every change. Humans simply ask for outcomes, then review readable code projections when needed. Built from the ground up for agentic coding, with token efficiency, fast builds, low memory, and zero dependencies.
zerolang is an experimental graph-first programming language where agents work with semantic program structure instead of raw source text.
A programming language where the graph is the program. Humans ask for outcomes. Agents query the program graph, submit checked edits, and prove the result. Readable .0 projections stay available for review and rare manual edits Expect breaking changes. Run it in a safe environment, not against production systems. The expected workflow is a normal conversation. The graph discipline lives in the agent skills and compiler commands, not in stiff human prompts. A traditional loop writes text, then runs tools to learn what the edit meant. Zerolang puts the compiler in the loop, so an edit is a checked change to the graph. Graph patches target semantic nodes and fields, guarded by graph hashes and…from zerolang.ai
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