# create_unit A write tool on the Mealie MCP Server MCP server. Agent View of the PolicyLayer registry record for `create_unit`. HTML page: https://policylayer.com/tools/graysoncadams-mealie-mcp/create-unit ## Facts - Tool: `create_unit` - Server: Mealie MCP Server (`graysoncadams/mealie-mcp`) — https://policylayer.com/tools/graysoncadams-mealie-mcp.md - Homepage: https://github.com/GraysonCAdams/mealie-mcp - Risk category: Write (Medium risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Rate-limited ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "create_unit", "arguments": {} } } ``` ## Why create_unit is rated Medium This tool creates new data (a unit entity) in reversible fashion, consistent with Write semantics. It does not execute code, delete data, or affect financial systems. Confidence is moderate due to empty description, but the strong naming convention match with sibling Write tools and the 'create_' verb clearly indicate data creation rather than retrieval or destruction. From the tool's own definition: "Tool name 'create_unit' indicates creation of a new unit entity (likely measurement units for recipes). The 'create_' prefix matches Write category patterns seen in sibling tools like 'create_category', 'create_comment', 'create_cookbook', 'create_food',…" ## Use case AI agents use create_unit to create or update resources in Mealie MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mealie MCP Server environment. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Mealie MCP Server: ```json { "version": "1", "default": "deny", "tools": { "create_unit": { "limits": [ { "counter": "create_unit_rate", "window": "minute", "max": 30, "scope": "grant" } ] } } } ``` ## Other tools on Mealie MCP Server (92) - `delete_category` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-category.md - `delete_comment` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-comment.md - `delete_cookbook` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-cookbook.md - `delete_food` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-food.md - `delete_label` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-label.md - `delete_mealplan` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-mealplan.md - `delete_recipe` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-recipe.md - `delete_shopping_list` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-shopping-list.md - `delete_shopping_list_item` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-shopping-list-item.md - `delete_shopping_list_items_bulk` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-shopping-list-items-bulk.md - `delete_tag` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-tag.md - `delete_tool` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-tool.md - `delete_unit` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/delete-unit.md - `remove_recipe_from_shopping_list` — Destructive — https://policylayer.com/tools/graysoncadams-mealie-mcp/remove-recipe-from-shopping-list.md - `parse_ingredient` — Execute — https://policylayer.com/tools/graysoncadams-mealie-mcp/parse-ingredient.md - `parse_ingredients` — Execute — https://policylayer.com/tools/graysoncadams-mealie-mcp/parse-ingredients.md - `get_all_mealplans` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-all-mealplans.md - `get_categories` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-categories.md - `get_category` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-category.md - `get_category_by_slug` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-category-by-slug.md - `get_cookbook` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-cookbook.md - `get_cookbooks` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-cookbooks.md - `get_current_user` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-current-user.md - `get_empty_categories` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-empty-categories.md - `get_empty_tags` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-empty-tags.md - `get_food` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-food.md - `get_foods` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-foods.md - `get_household_statistics` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-household-statistics.md - `get_label` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-label.md - `get_labels` — Read — https://policylayer.com/tools/graysoncadams-mealie-mcp/get-labels.md - …and 62 more: https://policylayer.com/tools/graysoncadams-mealie-mcp.md ## 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` - Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md) - 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` --- Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=graysoncadams-mealie-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/graysoncadams-mealie-mcp