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Atom.com — Premium Domains
com.atom/premium-domains in the official MCP registry.
Endpoint https://mcp.atom.com/mcp. Source: github.com/atomdomains/atom-mcp-server.
The registry describes it as: Search, appraise, trademark-check, and buy premium brandable domain names from Atom.com.
We read its 22 tools on 2026-10-26. 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
brainstorm_names search_brandable_domains check_domain_availability generate_domain_names appraise_domain get_domain_details screen_trademark_conflicts get_checkout_link register_domain purchase_domain register_domain_spt buy_ai_tokens get_ai_tokens_pay_link get_domain_register_pay_link get_domain_purchase_pay_link get_domain_register_pay_link_guest get_domain_purchase_pay_link_guest get_domain_purchase_coinbase_pay_link get_add_funds_coinbase_pay_link get_domain_register_coinbase_pay_link get_coinbase_payment_status create_registrant_contact
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/com-atom-premium-domains)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.