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io.tooloracle/predictionguard
io.tooloracle/predictionguard in the official MCP registry.
Endpoint https://feedoracle.io/predictionguard/mcp/. Source: github.com/ToolOracle/predictionguard.
The registry describes it as: Polymarket integrity MCP — 28 tools for wallet risk, whales, UMA scans, SAR/STR reports.
We read its 41 tools on 2026-10-22. 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
pg_overview pg_market_search pg_market_details pg_market_volume_profile pg_market_integrity_scan pg_trending_markets pg_known_cases pg_wallet_lookup pg_sanctions_screen_entity pg_pep_check_entity pg_adverse_media_entity pg_kyc_bundle_entity pg_insider_alert_signed pg_evidence_bundle_market pg_verify_alert pg_wallet_entity_resolve pg_wallet_risk_profile pg_whale_add pg_whale_remove pg_whale_list pg_whale_scan pg_whale_alerts pg_uma_status pg_uma_market_resolution pg_resolution_risk_score pg_sar_report pg_market_trades pg_pre_event_flow_analysis pg_insider_signal_scan pg_wallet_correlation_match pg_position_timing_anomaly pg_information_advantage_score pg_classified_keyword_match pg_kalshi_search pg_kalshi_market_details pg_kalshi_trending pg_kalshi_orderbook_analysis pg_kalshi_thin_market_alert pg_kalshi_resolution_calendar pg_kalshi_conflict_of_interest_check pg_prediction_market_integrity_gate
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The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/io-tooloracle-predictionguard)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.