How to use MiniMax H3 Max in Claude
Claude cannot output MiniMax video until you add Flow AI Fx. Connect the MCP, sign in, and ask for MiniMax H3 Max with image, video, or audio references.
MiniMax H3 Max is the lower-cost multimodal video model on Flow AI Fx: 1–15 seconds, 480p/768p/1080p, image, video, and audio references. Claude reaches it through https://flowaifx.app/mcp and model id minimax-h3. A 5-second 768p job costs 40 credits.
MCP URL and install command
Paste the URL into Claude connectors or ChatGPT custom MCP. For Claude Code, Codex, and OpenClaw, run the command then sign in.
MCP URL
https://flowaifx.app/mcpAdd Flow AI Fx
One Streamable HTTP URL. Sign in with Google or email. No fal, Kling, or Google AI Studio keys.
1. Open Claude connectors
Open https://claude.ai/customize/connectors and choose Add custom connector. Name Flow AI Fx. URL https://flowaifx.app/mcp.
2. Sign in
Click Connect and sign in with Google or email. Works on Claude web, Desktop, and mobile.
3. Name the model
Ask Claude to use the named model. In Claude Code, run claude mcp add --transport http flow-ai-fx https://flowaifx.app/mcp then /mcp.
4. Generate
Claude calls generate_video and polls check_job. Preview the CDN link in the conversation.
Generate with MiniMax H3 Max
Connect the MCP, name the model, then poll check_job for the CDN link.
- 1
Open Claude connectors
Open https://claude.ai/customize/connectors, add Flow AI Fx, URL https://flowaifx.app/mcp.
- 2
Sign in
Click Connect and sign in with Google or email.
- 3
Ask for MiniMax H3 Max
Ask Claude for MiniMax H3 Max. Include duration 1–15s, resolution, and the references each asset should play.
- 4
Generate and poll
Claude calls generate_video with minimax-h3 and polls check_job. A 5s 768p clip costs 40 credits.
MiniMax H3 Max on Flow AI Fx
Numbers match the live credit table. Failed server-error generations are refunded.
- Model id
- minimax-h3
- MCP tool
- generate_video
- Duration
- 1–15s
- Resolution
- 480p, 768p, 1080p
- Example cost
- 5s 768p: 40 credits
Questions
Setup, credits, and model ids for this agent combo.
More agent setups
Same model on another client, or another model on this client.
Generate MiniMax H3 Max from your agent
Connect https://flowaifx.app/mcp, sign in with Google or email, and call generate_video. ChatGPT, Claude, and Gemini signups start with 50 free credits. Other new accounts start with 10. When credits run out, MCP returns topup_url https://flowaifx.app/pricing?billing=payonce.