Health

Data source: Open Food Facts

MCP MCP Protocol

Endpoint https://context.gnist.ai/mcp/nutrition/

nobloat — strip report_feedback tool URL-based auth (for clients without header support)

claude_desktop_config.json

{
  "mcpServers": {
    "gnist-nutrition": {
      "url": "https://context.gnist.ai/mcp/nutrition/",
      "headers": {
        "Gnist-API-Key": "YOUR_API_KEY"
      }
    }
  }
}

Shell

curl -X POST "https://context.gnist.ai/mcp/nutrition/" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -H "Gnist-API-Key: YOUR_API_KEY" \
  -d '{"jsonrpc": "2.0", "method": "tools/call", "id": 1, "params": {"name": "search_foods", "arguments": {"query": "example"}}}'

API REST API

API Root https://context.gnist.ai/rest/nutrition/

3 endpoints available:

GET /rest/nutrition/search_foods
GET /rest/nutrition/get_product
GET /rest/nutrition/report_feedback

Shell

curl "https://context.gnist.ai/rest/nutrition/search_foods?query=example" \
  -H "Gnist-API-Key: YOUR_API_KEY"

Python

import httpx

resp = httpx.get(
    "https://context.gnist.ai/rest/nutrition/search_foods",
    headers={"Gnist-API-Key": "YOUR_API_KEY"},
    params={
        "query": "example"
},
)
print(resp.json())

OpenAPI Spec · Full API Docs

CLI Command Line

Command gc nutrition

CLI documentation will be available when the GnistAI SDK is published.

Install

pip install gnistai

Available Tools (3)

search_foods

Search food products by name, brand, or description and get nutritional information.

Parameter	Type	Required	Description
`query`	`string`	required	Search terms for food products (e.g. "granola", "orange juice", "Nutella"). Searches product names, brands, and categories.
`limit`	`integer`	optional	Number of results to return (1–50, default 10). (default: 10)