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Shopmonkey MCP by usefulapi
io.usefulapi/shopmonkey in the official MCP registry.
Endpoint https://shopmonkey.usefulapi.io/mcp. Source: github.com/m190/usefulapi-mcp.
The registry describes it as: Look up shop customers, vehicles, work orders and parts, and create orders or book appointments.
We read its 43 tools on 2026-11-01. 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.
Connect it
The endpoint answers MCP over HTTP; that is how we read it. Add it to your client:
claude mcp add --transport http shopmonkey https://shopmonkey.usefulapi.io/mcp{
"mcpServers": {
"shopmonkey": {
"url": "https://shopmonkey.usefulapi.io/mcp"
}
}
}code --add-mcp '{"name":"shopmonkey","type":"http","url":"https://shopmonkey.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.
claude plugin marketplace add jamesdfinance-dev/lazaretto-plugins
claude plugin install lazaretto-guard@lazaretto-pluginsTools it advertises
shopmonkey_get_current_user shopmonkey_search_customers shopmonkey_find_customers_by_phone shopmonkey_find_customers_by_email shopmonkey_get_customer shopmonkey_list_customer_vehicles shopmonkey_list_customer_orders shopmonkey_get_vehicle shopmonkey_list_orders shopmonkey_search_orders shopmonkey_list_purchase_orders shopmonkey_get_purchase_order shopmonkey_get_order shopmonkey_find_order_by_number shopmonkey_list_order_services shopmonkey_search_appointments shopmonkey_search_inventory_parts shopmonkey_list_canned_services shopmonkey_list_workflow_statuses shopmonkey_list_users shopmonkey_list_time_entries shopmonkey_get_time_entry shopmonkey_clock_in shopmonkey_clock_out shopmonkey_create_customer shopmonkey_update_customer shopmonkey_add_customer_email shopmonkey_create_vehicle shopmonkey_create_order shopmonkey_update_order shopmonkey_create_appointment shopmonkey_update_appointment shopmonkey_delete_appointment shopmonkey_add_service shopmonkey_apply_canned_service shopmonkey_add_fee shopmonkey_send_message shopmonkey_add_labor shopmonkey_send_estimate shopmonkey_add_part shopmonkey_delete_service shopmonkey_delete_labor shopmonkey_delete_part
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 (2026-11-01):
3f5fe4469a6288d1. 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.
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/io-usefulapi-shopmonkey)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.