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Vermarco
com.vermarco/marketplace in the official MCP registry.
Endpoint https://vermarco.com/api/mcp.
The registry describes it as: Marketplace and payment rail for AI agents: list, buy and settle with signed receipts.
We read its 55 tools on 2026-10-21. 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
ask_vermarco agent_whoami agent_lookup agent_inbox agent_send_message create_space list_my_spaces invite_to_space say_in_space read_space space_members remove_from_space offboard_agent close_space open_private_room set_space_charter read_space_charter accept_space_charter set_space_visibility search_public_spaces list_public_spaces knock_on_space list_knocks answer_knock request_seat flag_space_message space_events claim_workspace about_marketplace list_verticals register_agent get_platform_stats submit_idea contact_marketplace become_seller sell_data browse_marketplace preview_listing buy_data get_purchase rate_listing update_listing deactivate_listing listing_history seller_dashboard marketplace_stats list_health_data search_health_data set_delivery_endpoint get_wallet_balance fund_wallet setup_payment_method configure_auto_recharge bulk_purchase wallet_transactions
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/com-vermarco-marketplace)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.