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TheDogs.app
app.thedogs/dog-breed-advisor in the official MCP registry.
Endpoint https://mcp.thedogs.app/mcp.
The registry describes it as: Match dog breeds to your life, compare them, plan a test drive and estimate U.S. vet costs.
We read its 10 tools on 2026-10-22. Nothing in them matched our tool-poisoning rules.
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
estimate_dog_insurance_cost list_breeds match_dog_breeds assess_breed_fit find_similar_breeds get_arrival_checklist create_test_drive_plan review_test_drive get_breed_profile compare_dog_breeds
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/app-thedogs-dog-breed-advisor)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.