M
MeltFlex AI
AI interior design — restyle rooms, place furniture, and virtually stage spaces from a photo.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
Manual Client & Custom JSON ConfigExpand JSON ▾
Install Config Generator
Choose your client
💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)
Documentation Overview
MeltFlex AI Skills
AI agent skills for photorealistic interior and exterior design via MeltFlex AI — restyle rooms, place real furniture, swap floors, walls, stairs, doors and windows, redesign kitchens, bathrooms, facades and gardens, and turn 3D drafts into photos, all from a single photo. Also produces cinematic video walkthroughs and 3D models from 2D floorplans. Works with Claude Code, 
Hermes, Cursor, Codex, and other AI agents that load Markdown-based skills or speak MCP.
Each user authenticates with their own MeltFlex API key; every generation is billed to their account credits. The skills call the public MeltFlex API directly, so there's nothing extra to install.
Interior redesign · floor restyle from a material · garden design — a few of the 15 modes, all from one photo.
Install
Pick one. Each method sets up the skills for your agent.
npx skills — recommended, cross-agent
GitHub CLI (v2.90+)
Claude Code marketplace
Inside Claude Code:
Setup script
Universal fallback:
More options in INSTALL.md. Agent-driven install (paste into your agent): INSTALL_FOR_AGENTS.md.
Authenticate
You need an active subscription (any paid plan) — without one the key won't work. After subscribing at https://www.meltflexai.com/settings, open account settings → API Key under Profile, then Generate API Key (shown once — copy it):
Then expose it:
Use with Hermes
Hermes (Nous Research) speaks MCP, so it runs MeltFlex through the meltflex-mcp server.
From the catalog (once merged into the Hermes catalog):
Manually — sign in once, then add the server to ~/.hermes/config.yaml:
Start hermes chat (or run /reload-mcp in a session) to load the generate_interior, generate_video, floorplan_to_3d and check_credits tools. Full guide: https://www.meltflexai.com/mcp.
Skills
| Skill | Invoke | Description |
|---|---|---|
| meltflex-design | /meltflex:design | Restyle a room, facade or garden; swap floors, walls, stairs, doors or windows; redesign a kitchen or bathroom; boost a layout; turn a 3D draft into a photo. 15 prompt-driven modes, plus video walkthroughs and floorplan→3D via the API. |
| meltflex-furniture | /meltflex:furniture | Place specific real furniture/decor products into a room photo, matching their exact colors, materials, and proportions (up to 10 reference items). |
Both skills are self-contained: a room photo in, a photorealistic redesign out, 10 credits per generation (auto-refunded on failure).
Modes
meltflex-design — 15 modes, each the same endpoint with a mode-tuned prompt:
| Mode | What it's for |
|---|---|
restyle | Change a room's style or theme |
virtual_staging | Furnish an empty room |
layout_boost | Rearrange existing furniture into a better layout |
declutter | Clean up / depersonalize a space |
exterior | Building facade / house exterior |
garden | Landscaping and outdoor design |
wall_texture | Change wall material or finish |
floor_restyle | Change the flooring |
stairs | Restyle a staircase in place |
doors | Swap interior doors |
windows | Swap window frames / glazing |
kitchen | Whole kitchen redesign |
bathroom | Whole bathroom redesign |
photo_to_render | Turn a 3D draft / SketchUp shot into a photo |
seasonal | Time-of-day / seasonal / lighting variation |
Two more capabilities go beyond stills, using the same API key: a cinematic video walkthrough (POST /api/v1/video) and a 2D floorplan → 3D model (POST /api/v1/floorplan-to-3d). See the design skill and the API docs.
Quick Reference
| What you want | Skill | Note |
|---|---|---|
| Restyle a room from a photo | meltflex-design | Pick a mode, write a specific prompt |
| Furnish an empty room | meltflex-design | virtual_staging mode |
| Place a specific sofa/bed/table | meltflex-furniture | Pass product images as references |
| Redesign a house exterior or garden | meltflex-design | exterior / garden mode |
| Swap flooring or wall finish | meltflex-design | floor_restyle / wall_texture (attach the material as a reference) |
| Restyle stairs, doors or windows | meltflex-design | stairs / doors / windows mode |
| Redesign a kitchen or bathroom | meltflex-design | kitchen / bathroom mode |
| Turn a 3D draft into a photo | meltflex-design | photo_to_render mode |
| Cinematic video walkthrough | meltflex-design | POST /api/v1/video (100–150 credits) |
| 2D floorplan → 3D model | meltflex-design | POST /api/v1/floorplan-to-3d (10 credits) |
| Check credit balance | — | meltflex credits (CLI) or the MCP check_credits tool |
Going further
- API docs: https://www.meltflexai.com/api
- CLI: https://www.meltflexai.com/cli —
meltflex generatefrom your terminal - MCP server: https://www.meltflexai.com/mcp —
npx -y meltflex-mcp - Cookbook: COOKBOOK.md
Security
The skills never contain a key. Each user supplies their own mf_sk_ key via MELTFLEX_API_KEY; generations spend that user's own credits. Credits, auth, and rate limits are all enforced server-side. Never commit your key — revoke it anytime in settings.
License
MIT — see LICENSE. Contributions welcome — see CONTRIBUTING.md.
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