prompt-atoms

A typed, versioned, composable library of prompt-engineering primitives — personas, constraints, formats, tool-use templates, refusal patterns, output schemas — replacing closed vendor cookbooks and scattered snippets with an open, machine-readable catalog.

Catalog at v0.1.0

• 50 atoms across 6 types
• 2 compositions
• 2 compatibility rules

Atom types

• constraint — 15 atoms
• format-instruction — 10 atoms
• output-schema — 5 atoms
• persona — 10 atoms
• refusal-pattern — 5 atoms
• tool-use-template — 5 atoms

Civilization-grade properties

Every artifact in this catalog satisfies six properties verified in CI:

• Typed — every atom, composition, and rule validates against a JSON Schema.
• Versioned — every atom has a semver version field; compositions pin by version.
• Machine-readable — /exports/catalog.json is the canonical manifest.
• Composable — compositions reference atoms by ID; references resolve in CI.
• Open — Apache-2.0 licensed.
• Durable — no external dependencies in the hot path.