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Vendty MCP by usefulapi

io.usefulapi/vendty in the official MCP registry. Endpoint https://vendty.usefulapi.io/mcp. Source: github.com/m190/usefulapi-mcp.

The registry describes it as: Read sales, products, customers, purchases and restaurant tables in Vendty.

We read its 28 tools on 2026-11-10. 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 about every two weeks.

Connect it

The endpoint answers MCP over HTTP; that is how we read it. Add it to your client:

Claude Code

claude mcp add --transport http vendty https://vendty.usefulapi.io/mcp

Cursor: ~/.cursor/mcp.json

{
  "mcpServers": {
    "vendty": {
      "url": "https://vendty.usefulapi.io/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"vendty","type":"http","url":"https://vendty.usefulapi.io/mcp"}'

Some servers ask you to sign in the first time a client connects, or want a key from the people who run them; the server's own docs say which.

Let Claude Code check servers as it adds them

With the free lazaretto-guard plugin installed, when Claude Code adds a server for you or writes one into an MCP config, the plugin reads the server's tools first and asks you if one of our rules matches. Install it, restart Claude Code, then ask it to run the command above.

Install lazaretto-guard

claude plugin marketplace add lazaretto-ai/lazaretto-plugins
claude plugin install lazaretto-guard@lazaretto-plugins

Tools it advertises

vendty_get_client_info vendty_list_products vendty_get_product vendty_list_categories vendty_list_customers vendty_get_customer vendty_list_customer_groups vendty_list_customer_sales vendty_list_sales vendty_get_sale vendty_list_payment_methods vendty_list_sale_credit_notes vendty_list_restaurant_sections vendty_list_restaurant_tables vendty_get_restaurant_table_order vendty_list_quick_service_orders vendty_list_warehouses vendty_list_taxes vendty_list_sellers vendty_list_users vendty_list_price_lists vendty_list_suppliers vendty_list_purchase_orders vendty_get_purchase_order vendty_list_support_documents vendty_get_support_document vendty_list_reports vendty_get_report

Tool changes

We compare every full read of this server with the one before. No change in what its tools say has been seen since we started keeping this record on 2026-10-30.

Fingerprint of its tools at our last full read (2026-11-10): fb35f054fd9e47e0. A client can hash the tools it is served the same way and compare; the full value and a hash per tool are in this page as JSON.

Rather than checking back: subscribe to this server's tool changes (a feed, no account and no address needed). Tool names and dates only, never what a tool says.

Run this server? Show the check in your README

The badge reflects the latest read:

Markdown

[![MCP tool check](https://lazaretto.dev/mcp-registry/io-usefulapi-vendty/badge.svg)](https://lazaretto.dev/mcp-registry/io-usefulapi-vendty)

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. How tool poisoning works. What we found across the registry. Check another server.

To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.