PromptOT Lets Teams Manage LLM Prompts as Versioned Blocks Without Code Deploys

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A developer built PromptOT after a production bug traced back to an undocumented one-line edit inside a 200-line hardcoded prompt caused a support bot to promise incorrect refund timelines. The platform breaks monolithic prompt strings into typed, independently versioned blocks covering role, context, instructions, guardrails, and output format. Each block can be toggled, edited, and rolled back separately via a dashboard, without requiring a new code deployment. Apps retrieve the compiled prompt through a simple REST API call, with variables resolved at fetch time. PromptOT also ships an MCP server with 23 tools, allowing AI assistants like Claude to draft and save prompt changes directly in chat; a free tier supporting three projects and 1,000 API calls per month is available at promptot.com.

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