Design Context Builder

Free DESIGN.md drafts for AI coding agents

Free MVP
Make AI-built UI less generic. Turn plain English product notes into design rules that Codex, Cursor, and Claude Code can follow before building a page.
Free for English AI coding workflows. Built for indie makers and builders who prompt in English and need cleaner SaaS, dashboard, and tool interfaces.
Core action to validate. Generate, copy or download, then paste the DESIGN.md into your AI coding agent.

DESIGN.md Draft

Codex-ready
0 sections checked

        

      


      
    


    

      

        

          
DESIGN.md templates

          
Starter contexts for the first validation audience: AI coding users building SaaS tools, dashboards, and directories.

        

      

      

        

          
SaaS tool

          
For small AI tools with an input, generated result, and simple export path.

          
    
            
  • Quiet professional tone
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  • Clear primary action
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  • Readable generated output
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Dashboard

          
For operational products where users scan tables, statuses, and detail panels.

          
    
            
  • Dense but organized layout
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  • Stable grid and row heights
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  • Muted status treatment
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Directory site

          
For SEO tools, resource libraries, and comparison-driven product directories.

          
    
            
  • Filterable entries
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  • Transparent criteria
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  • Internal links to use cases
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DESIGN.md examples

          
Example briefs that produce different design rules without changing the core generator.

        

      

      

        

          
AI brief generator

          
Input-heavy tool with a markdown result, validation checklist, and export actions.

          
        

        

          
Usage monitor

          
Compact product surface for AI coding cost, sessions, and risk flags.

          
        

        

          
MCP directory

          
Comparison-first resource site with compatibility, setup facts, and update notes.

          
        

      

    


    

      

        

          
Use it with AI coding agents

          
Each agent path stays factual: paste or attach the generated file as project context, then ask the agent to plan before it changes UI code.

        

      

      

        

          
Codex

          
Place the generated file in the project or paste it before a UI task. Ask Codex to list affected files, constraints, and verification steps first.

          
        

        

          
Cursor

          
Use the file as project context before composing or editing components. Keep the change scoped to one visible surface.

          
        

        

          
Claude Code

          
Ask Claude Code to read the design context, propose a short UI plan, and verify the rendered result against the file.

          
        

      

    


    

      

        

          
DESIGN.md checklist

          
The generator's readiness score is based on the same minimum file sections users need before asking an agent to implement UI.

        

      

      

        

          
Visual system

          
Global style, palette, typography, spacing, layout, and component rules are concrete enough to execute.

        

        

          
Agent boundaries

          
The file states what the agent must preserve, what it must avoid, and when it should ask before changing direction.

        

        

          
Verification

          
The file includes browser checks for desktop, mobile, overflow, console errors, and visual fidelity.

        

      

    


    

      

        

          
DESIGN.md vs agent instruction files

          
Use each file for a different job. The MVP avoids claiming official integration and focuses on practical project context.

        

      

      

        
          

            File
            Main job
            Best used when
            Risk if misused
          

        
        
          

            DESIGN.md
            Visual system and UI implementation rules.
            Before building or restyling product surfaces.
            Too vague, or copied from a brand without rights.
          

          

            AGENTS.md
            Project-level working rules for coding agents.
            When a repository needs operating instructions.
            Mixing process rules with visual design rules.
          

          

            CLAUDE.md / Cursor rules
            Tool-specific behavior and workflow preferences.
            When one coding tool needs persistent instructions.
            Locking context to one tool and losing portability.
          

        
      

    


    

      

        

          
Validation path

          
The MVP success signal is not praise. It is copy, download, real agent use, feedback, and requests for URL or screenshot extraction.

        

        Generate a DESIGN.md
      

      

        

          
Core action

          
Ask 10 English AI coding users to paste one real project requirement, generate the file, and try it with their agent.

        

        

          
Continue signal

          
Continue only if users copy or download the file and ask for stronger extraction, validation, or reusable style libraries.