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Zero
Zero is the programming language for agents: a systems language for small native tools, explicit effects, predictable memory, and structured compiler output.
Zero is experimental and still changing. The compiler, standard library, docs, and examples are useful for trying the language and giving feedback, but the language is not stable yet.
Quick Start
Install the latest release:
curl -fsSL https://zerolang.ai/install.sh | bash<br>export PATH="$HOME/.zero/bin:$PATH"<br>zero --version
Check a program:
zero check examples/hello.0
Run a small executable:
zero run examples/add.0
Expected output:
math works
Learn Zero
docs-site/articles/getting-started.md: build the compiler and run a first program.
docs-site/articles/learn-zero.md: a practical tour of the language.
docs-site/articles/language-reference.md: syntax and behavior reference.
examples/README.md: examples grouped by concept.
Run the docs site locally:
npm run docs:dev
Common Commands
zero check examples/hello.0<br>zero run examples/add.0<br>zero build --emit exe --target linux-musl-x64 examples/add.0 --out .zero/out/add<br>zero graph --json examples/systems-package<br>zero size --json examples/point.0<br>zero routes --json examples/web/hello<br>zero skills get zero --full<br>zero doctor --json
Validation
npm run docs:test<br>npm run conformance<br>npm run native:test<br>npm run command-contracts
Benchmarks run locally by default:
npm run bench
Repository Layout
native/zero-c/: native compiler implementation.
compiler-zero/: Zero-authored compiler sources.
examples/: runnable Zero source examples.
conformance/: language and CLI behavior fixtures.
docs-site/: documentation site.
tests/: TypeScript tests for CLI behavior.
extensions/vscode/: editor syntax highlighting for .0 files.
About
The programming language for agents
zerolang.ai
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v0.1.1
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May 16, 2026
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