MCP server

Lumma-Fev-4B Decision Model

hf/hugging-apps/lumma-fev-4b

Checked 26 Oct 2026, 08:30 UTC · Hugging Face reports it running

Typed questions in, calibrated probabilities out

Working at last check

https://hugging-apps-lumma-fev-4b.hf.space/gradio_api/mcp/

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:30 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http lumma-fev-4b https://hugging-apps-lumma-fev-4b.hf.space/gradio_api/mcp/

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.lumma-fev-4b]
url = "https://hugging-apps-lumma-fev-4b.hf.space/gradio_api/mcp/"

Gemini CLI

{"mcpServers":{"lumma-fev-4b":{"httpUrl":"https://hugging-apps-lumma-fev-4b.hf.space/gradio_api/mcp/"}}}

Cursor

{"mcpServers":{"lumma-fev-4b":{"url":"https://hugging-apps-lumma-fev-4b.hf.space/gradio_api/mcp/"}}}

VS Code

{"servers":{"lumma-fev-4b":{"type":"http","url":"https://hugging-apps-lumma-fev-4b.hf.space/gradio_api/mcp/"}}}

Antigravity

agy mcp add lumma-fev-4b https://hugging-apps-lumma-fev-4b.hf.space/gradio_api/mcp/

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"lumma-fev-4b","server_url":"https://hugging-apps-lumma-fev-4b.hf.space/gradio_api/mcp/","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"lumma-fev-4b","server_url":"https://hugging-apps-lumma-fev-4b.hf.space/gradio_api/mcp/"}

Lumma-Fev-9B
Probability distributions per question, no generation
Rene-1 — typed decisions
Typed questions in, calibrated probabilities out
Taifoon coordination layer
Start here: a free key in one call, then a demand in words that is hired, graded and settled
JPT-9B Typed Decisions
Calibrated probabilities for typed decision questions
kev-0.5b Decision Model
Typed questions in, calibrated probabilities out
Kev-4B Decision Model
Typed questions in, calibrated probabilities out
Jeff 1.0 Large
Calibrated decision model - state+question to probabilities
Sieve-9B Decisions
Typed decisions with calibrated probabilities

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