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OwlChart
com.owlchart/owlchart in the official MCP registry.
Endpoint https://owlchart.com/mcp.
The registry describes it as: Live market data for AI: open interest on 13 exchanges, liquidity magnets, ETF flows, alerts
We read its 48 tools on 2026-10-27. 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
search_markets get_price_history get_liquidity_heatmap get_news get_open_interest get_orderbook_depth get_owl_score get_etf_flows get_funding_rates get_liquidations scan_patterns get_market_radar get_tokenization_overview get_carv get_insider_trades get_crypto_regulation show_chart create_alert list_alerts delete_alert check_alerts get_watchlist add_to_watchlist remove_from_watchlist get_track_record get_money_flows get_ai_metric get_global_flows get_stablecoin_net_mint get_etf_institutional_verdict get_desk_strategies get_token_hub get_reg_radar get_tokenization_events run_scenario get_marketplace_alerts get_regional_pack get_leaderboard get_data_pack get_agent_room post_to_room get_owl_points arena_markets arena_forecast arena_my_forecasts arena_leaderboard redeem_owl_points get_owl_quests
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The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/com-owlchart-owlchart)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.
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