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About
flompt is a free, open-source prompt structuring tool focused on improving AI output quality by adding clear semantic structure. It takes a raw prompt and decomposes it into a set of typed blocks (such as role, objective, constraints, examples, output format, and language), which can be edited visually and then recompiled into Claude-optimized XML. flompt is available as a browser extension that adds an Enhance button directly inside ChatGPT, Claude, and Gemini, opening a resizable sidebar for building and injecting improved prompts with bidirectional sync. It also provides a native MCP (Model Context Protocol) server for Claude Code, exposing tools like decompose_prompt, compile_prompt, and list_block_types so agents can call prompt-structuring functions programmatically. The product emphasizes Anthropic-style document grounding, few-shot example formatting, and canonical block ordering.
Problem & solution
Problem
Unstructured prompts lead to inconsistent, low-quality AI outputs.
Solution
Decompose prompts into blocks and compile Claude-optimized XML.
Who it's for
People writing prompts in ChatGPT, Claude, and Gemini
Main features
- 11 structured prompt blocks
- Claude-optimized XML compile
- Chat sidebar extension
- Bidirectional prompt sync
- MCP server + CLI setup
Use cases
- Improve prompts inside chat
- Use prompt tools in Claude Code
Comments
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