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Unleashed Software MCP by usefulapi
io.usefulapi/unleashed-software in the official MCP registry.
Endpoint https://unleashed-software.usefulapi.io/mcp. Source: github.com/m190/usefulapi-mcp.
The registry describes it as: Check products, stock on hand, customers, orders, invoices and quotes, and create records.
We read its 20 tools on 2026-10-21. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
unleashed_get_company unleashed_list_products unleashed_get_product unleashed_list_stock_on_hand unleashed_get_product_stock unleashed_list_customers unleashed_get_customer unleashed_list_suppliers unleashed_list_warehouses unleashed_list_product_groups unleashed_list_sales_orders unleashed_get_sales_order unleashed_list_purchase_orders unleashed_get_purchase_order unleashed_list_invoices unleashed_list_sales_quotes unleashed_list_stock_adjustments unleashed_create_customer unleashed_create_product unleashed_create_sales_order
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/io-usefulapi-unleashed-software)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.