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GreenlandAI
ai.greenlandai/greenlandai in the official MCP registry.
Endpoint https://mcp.greenlandai.ai/mcp.
The registry describes it as: GreenlandAI: world graph & map (companies, deposits, commodities), marketplace, wallets, proofs.
We read its 45 tools on 2026-10-21. 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
look_from relationships nearby map_viewport look_at look_through entity_history entity_state entity_change site_reconstruction place_index company company_search deposits deposit market_listings market_match market_quote joules_balance billing_quote receipts_me billing_attempts verify_proof ledger_verify transparency_latest balance_proof bridge_proof market_request_rematch market_request_rematch_withdraw market_provide market_request market_accept wallet_transfer joules_deficit funding_prepare funding_status trade_settlement oracle_register oracle_assignments oracle_assess oracle_deregister contribute_relations contribute_stats contribute_submissions contribute_receipts
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[](https://lazaretto.dev/mcp-registry/ai-greenlandai-greenlandai)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.