# Promptmark > A self-hosted prompt management platform for AI workflows Promptmark helps you collect, organize, and share prompts across AI models. Features include prompt versioning, collections, templates with variables, multi-model testing, and MCP (Model Context Protocol) integration. ## Public API - MCP Server: Connect AI agents via stdio-based MCP protocol - OAuth: Civic Auth for user authentication ## Public Profiles Browse user profiles at: https://promptmark.ai/u/{username} ## Featured Prompt Engineers - [Brad Webb](https://promptmark.ai/u/brad-webb) - [Matthewjpayne](https://promptmark.ai/u/matthewjpayne) - [Brad Webb](https://promptmark.ai/u/Ironystock) - [Titus Capilnean](https://promptmark.ai/u/titus-capilnean) - [Savian Boroancă](https://promptmark.ai/u/savian-boroanca) - [Laurentiu Ciobanu](https://promptmark.ai/u/laurentiu-ciobanu) - [Mike Caselli](https://promptmark.ai/u/mike-caselli) - [Promptmark](https://promptmark.ai/u/system) - [JP Bedoya](https://promptmark.ai/u/jp-bedoya) - [Anna Aubuchon](https://promptmark.ai/u/anna_aubuchon) - [Brad Webb](https://promptmark.ai/u/brad-founder): I'm b-rad - [Pavel Malos](https://promptmark.ai/u/palev) - [Andrea Bedoya](https://promptmark.ai/u/drea-bedoya) - [Arnaldo Capo](https://promptmark.ai/u/arnaldo-capo) - [Snow Crab](https://promptmark.ai/u/SnowCrab) ## Links - [Homepage](https://promptmark.ai) - [Sign In](https://promptmark.ai/auth/login)