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Dev.to
6/30/2026
The original title is: "Hardcoding LLM prompts is fine until it isn't. Here's what we built instead."

The original title is: "Hardcoding LLM prompts is fine until it isn't. Here's what we built instead."

Original: Hardcoding LLM prompts is fine until it isn't. Here's what we built instead.

Short summary

Hardcoded system prompts in LLM applications break silently: a buried edit changes guardrails or response format system-wide with no audit trail. PromptOT treats prompts as versioned artifacts, splitting them into independent blocks—role, context, instructions, guardrails, output format—each editable separately, with immutable publishing and one-click rollback. APIs deliver compiled prompts; MCP server integrates with Claude, ChatGPT, and Cursor. Free tier: 3 projects, 5 prompts, 1K monthly API calls.

  • •Hardcoded prompts in monolithic constants cause production breakage with no audit trail
  • •PromptOT splits prompts into independently-versioned typed blocks: role, context, instructions, guardrails, output format
  • •OAuth-protected API delivery with MCP integration for Claude, ChatGPT, and editors; free tier available

Generated with AI, which can make mistakes.

#ai-tools#ai-agents#product-launch
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