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2b2t Atlas
io.github.bobymicjohn/2b2t-atlas in the official MCP registry.
Endpoint https://api.blackportal.cloud/mcp. Source: github.com/bobymicjohn/2b2tAtlas-Public-API.
The registry describes it as: Search 2b2t bases, WDLs, signs, saved inventories, rare blocks, mobs, map art and NoCom history.
We read its 38 tools on 2026-10-22. 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
get_world_find_map get_location get_warps find_nocom_portals get_nocom_daily_hits search_nocom_sign_history get_world_find_history find_nocom_rare_blocks search_nocom_signs research_nocom_area find_nocom_daily_chunks get_render_metadata search_world_find get_world_find_inventory find_nocom_storage get_highway get_world_downloads research_area find_recently_added_or_modified list_world_find_sources find_locations_by_time_range get_nocom_sign_history get_nocom_dataset get_nocom_periods find_nocom_clusters search_locations find_highways_near_location find_nocom_special_blocks search_groups search_highways get_nocom_highway_activity find_locations_near find_preserved_builds get_group get_nocom_daily_dataset get_group_builds get_dataset_stats research_location
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[](https://lazaretto.dev/mcp-registry/io-github-bobymicjohn-2b2t-atlas)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.