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io.github.sly13/cryptoetf
io.github.sly13/cryptoetf in the official MCP registry.
Endpoint https://mcp.cryptoetf.today/api/mcp. Source: github.com/zerosix-studio/cryptoetf-mcp.
The registry describes it as: Live spot crypto ETF flows for 16 assets and their funds, CEFI index and prices.
We read its 12 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
get_flows_summary get_asset_flows get_fund_flows get_funds get_cefi_index get_prices get_weekly_analytics get_etf_holdings get_btc_etf_vs_miners get_issuer_revenue get_staking get_cost_basis
Run this server? Show the check in your README
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[](https://lazaretto.dev/mcp-registry/io-github-sly13-cryptoetf)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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