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cryptofeed402
site.cryptofeed402/feed in the official MCP registry.
Endpoint https://cryptofeed402.site/mcp. Source: github.com/stovepipes55-jpg/-cryptofeed402-mcp-.
The registry describes it as: Hyperliquid perp funding, OI, preflight & news sentiment for agents. Pay per call in USDC (x402).
We read its 21 tools on 2026-10-26. 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_teaser get_sample_brief get_pricing request_asset request_report_schedule get_top_requested_assets get_price get_extreme_funding get_latest_brief get_audit_sample get_perps get_sentiment audit_agent_ready get_outlook get_funding_history get_candles get_spot get_oi_history get_attention get_narratives_weekly get_history
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/site-cryptofeed402-feed)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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