prompt-version-control · packages

A typed TypeScript client class (`PromptVersionControlClient` or `PVCClient`) for the Prompt Version Control API, providing authenticated HTTP access with automatic exponential-backoff retry on 5xx/network errors, configurable `AbortController`-based timeouts, and optional in-memory LRU caching with TTL and max-entries eviction.

A CLI tool (`pvc`) for managing prompt templates, their versions, and lifecycle tags (draft/staging/production) from the terminal, built on Clipanion 4 with persistent configuration stored in `~/.pvcrc`.

An MCP server that exposes a single `prompt.get` tool, which fetches a production-tagged prompt from a Prompt Version Control API server and renders it with Handlebars template interpolation. Requires `PVC_API_URL` and `PVC_API_KEY` environment variables to connect to the API server.

A Hono 4 server that provides Git-like version control for AI prompts, including CRUD, SHA-256 checksummed versioning, tag-based lifecycle (draft/staging/production), eval-gated promotion, A/B deployment with weighted traffic splitting, metrics ingestion, and webhook subscriptions, backed by Prisma and PostgreSQL.

Canonical TypeScript types, Zod schemas, and shared utilities (template rendering, API key generation, checksumming) for the Prompt Version Control ecosystem. Exports 25+ Zod schemas with inferred types, plus Handlebars-based prompt interpolation and cryptographic utilities, with only `zod` and `handlebars` as runtime dependencies.