Changelog

0.1.1Copy Anchor Link

Released November 2, 2026.

• @copybook/cli: test and eval no longer crash with EPIPE when a command exits before reading its input.
• Both packages link to copybook.dev and the issue tracker from npm. Their READMEs link to the docs and describe the 0.x compatibility policy.
• @copybook/cli: copybook --help and copybook init link to the docs at copybook.dev.

0.1.0Copy Anchor Link

Released November 2, 2026. The first release.

• @copybook/core:
  • defineCommand, defineSnippet (with dimensioned variants), definePrompt, and defineCollection
  • the p param builders, with examples, defaults, secrets, and Standard Schema
  • the t template tag, with param nodes and t.cmd, t.code, and t.include embeds
  • render, renderExample, listVariants, toText, toSegments, collectCommands, and collectEmbeds
• @copybook/cli:
  • init, list, snapshot, and check, with rendered Markdown snapshots and --changed change detection
  • test, with syntax, typecheck, and run tiers, fixtures, and JSON and JUnit reports
  • eval, with agent adapters (literal, claude-code, codex), PATH shims, assertions, trials, budgets, and history
  • usages and report, which show where product code renders each definition and summarize pull request changes
  • studio, a local UI for browsing, previewing, and tracing definitions, with test and eval results
• Registry: Agent Prompt, Code Variants, Command Tabs, Copy Button, and Rendered Text.