# MCP OpenNutrition MCP server

Agent View of the PolicyLayer registry record for MCP OpenNutrition: identity, probed posture, risk grade, and all 4 tools classified. HTML page: https://policylayer.com/tools/deadletterq-mcp-opennutrition

## Facts

- Server id: `deadletterq/mcp-opennutrition`
- Homepage: https://github.com/deadletterq/mcp-opennutrition
- Registry record: grade A, identity unverified
- Lifecycle: active
- Rate-limited: no
- Tools: 4
- Tool categories present: Read
- Tags: deadletterq mcp opennutrition
- Record last modified: 2026-07-31T11:00:18.901Z

## Tools (4)

| Tool | Category | Risk | Record |
| --- | --- | --- | --- |
| `get-food-by-ean13` | Read | Low | https://policylayer.com/tools/deadletterq-mcp-opennutrition/get-food-by-ean13.md |
| `get-food-by-id` | Read | Low | https://policylayer.com/tools/deadletterq-mcp-opennutrition/get-food-by-id.md |
| `get-foods` | Read | Low | https://policylayer.com/tools/deadletterq-mcp-opennutrition/get-foods.md |
| `search-food-by-name` | Read | Low | https://policylayer.com/tools/deadletterq-mcp-opennutrition/search-food-by-name.md |

## Tool descriptions

- `get-food-by-ean13` — MANDATORY: Use this tool ANY time a user provides a 13-digit EAN-13 barcode, or when the request involves identifying food from a barcode. Not using this tool in these scenarios is an error. Do NOT use for barcodes unrelated to food. Use…
- `get-food-by-id` — MANDATORY: Use this tool ANY time a user provides a food ID (e.g., fd_xxx), or when you have a food ID from a previous step and need detailed information. Not using this tool in these scenarios is an error. Do NOT use for non-food IDs or…
- `get-foods` — MANDATORY: Use this tool ANY time a user requests an overview, wants to browse foods, or asks for a list of foods (by type, category, or general request). Not using this tool in these scenarios is an error. Do NOT use for non-food or non…
- `search-food-by-name` — MANDATORY: Use this tool ANY time you need to search for foods by name, synonym, or partial name. If a user provides a food name (common, brand, or alternate) or requests foods by name, you MUST use this tool. Not using this tool in thes…

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
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- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=deadletterq-mcp-opennutrition · API: https://policylayer.com/registry/api · Recommended policies for every tool: https://policylayer.com/policies/deadletterq-mcp-opennutrition