MCP server

H2O-Lightning-4B

hf/h2oai/h2o-lightning-4b

Checked 28 Oct 2026, 09:04 UTC · Hugging Face reports it running

Calibrated decisions over text records and images

Working at last check

https://h2oai-h2o-lightning-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: 28 Oct 2026, 09:04 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 h2o-lightning-4b https://h2oai-h2o-lightning-4b.hf.space/gradio_api/mcp/

Claude Desktop

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

Codex (config.toml)

[mcp_servers.h2o-lightning-4b]
url = "https://h2oai-h2o-lightning-4b.hf.space/gradio_api/mcp/"

Gemini CLI

{"mcpServers":{"h2o-lightning-4b":{"httpUrl":"https://h2oai-h2o-lightning-4b.hf.space/gradio_api/mcp/"}}}

Cursor

{"mcpServers":{"h2o-lightning-4b":{"url":"https://h2oai-h2o-lightning-4b.hf.space/gradio_api/mcp/"}}}

VS Code

{"servers":{"h2o-lightning-4b":{"type":"http","url":"https://h2oai-h2o-lightning-4b.hf.space/gradio_api/mcp/"}}}

Antigravity

agy mcp add h2o-lightning-4b https://h2oai-h2o-lightning-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":"h2o-lightning-4b","server_url":"https://h2oai-h2o-lightning-4b.hf.space/gradio_api/mcp/","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"h2o-lightning-4b","server_url":"https://h2oai-h2o-lightning-4b.hf.space/gradio_api/mcp/"}

JEV-27B-VL — typed decisions over text and images
Calibrated typed decisions on text + images, one pass
cribl-decision-1.0
Calibrated probabilities over the options you supply
decider-2b-vision
One-pass calibrated decisions from an image
loop-mcp
15 pay-per-call Bitcoin and developer tools, paid in sats over Lightning (L402).
Mart402 Docs
Documents and web for AI agents: PDF parse, OCR, web extract, invoice checks. x402, no API key.
Gero-4B
Calibrated probabilities for decisions, no generated text
StackFast FractWin Expert Brain
Expert knowledge base for sales, negotiation, strategy, operations, and risk.
OpenThai SystemOne
Thai/English decision model - calibrated answers, no text

[![AptLynx](https://aptlynx.net/badge/hf/h2oai/h2o-lightning-4b.svg)](https://aptlynx.net/servers/hf/h2oai/h2o-lightning-4b)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents