# Cyanheads Openfoodfacts MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.cyanheads%2Fopenfoodfacts-mcp-server
Registry id: `mcp-registry/io.github.cyanheads/openfoodfacts-mcp-server`
Status: live (checked 2026-10-27T17:09:11.897Z)

## Verdict

Cyanheads Openfoodfacts MCP server answered 99.82% of Glimind's liveness checks over 30 days, better than 24% of MCP servers, with 400 ms median handshake and 20 outages in 90 days. Its agent-readiness grade is A (96/100) across 4 tools, costing an agent about 4,094 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 99.82% | 24% of MCP servers |
| Median handshake latency | 400 ms | 52% of MCP servers |
| p95 handshake latency | 2553 ms | — |
| Checks in 30 days | 5,033 | — |
| Outages, 90 days | 20 | — |
| Median recovery | 3 min | — |
| Agent-readiness score | 96/100 (A) | 82% of MCP servers |
| Tools | 4 | — |
| Tool-list size for an agent | ~4,094 tokens | 41% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "cyanheads-openfoodfacts-mcp-server": {
      "type": "http",
      "url": "https://openfoodfacts.caseyjhand.com/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http cyanheads-openfoodfacts-mcp-server https://openfoodfacts.caseyjhand.com/mcp
```

## Tools (4)

- `off_browse_taxonomy`: Resolve a human term to the canonical Open Food Facts tag ID that off_search_products filters on. Covers categories, labels/certifications, allergens, additives
- `off_compare_products`: Side-by-side nutrition and scoring comparison for 2–10 products per call by barcode; a repeated barcode is compared once, so two identical barcodes yield one ro
- `off_get_product`: Fetch a packaged food product by barcode (4–40 digits: EAN-13, EAN-8, UPC, and the shorter and longer codes Open Food Facts also holds) from Open Food Facts. Re
- `off_search_products`: Search Open Food Facts by full-text query, structured tag filters, or both at once. Returns a summary list with barcodes, product names, brands, Nutri-Score, NO

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.