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NCUA credit union data
io.github.bnovarini/ncua-data-analysis in the official MCP registry.
Endpoint https://ncua-data-analysis.fly.dev/mcp. Source: github.com/bnovarini/ncua-data-analysis.
The registry describes it as: NCUA call report data for US credit unions, 2018-2026: profiles, peer comparison, time series.
We read its 13 tools on 2026-10-22. 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
list_fields find_credit_union credit_union_profile metric_series peer_compare query_metrics cu_quarter_income bank_quarter_income find_bank bank_metric_series bank_peer_compare list_bank_fields revenue_per_employee
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[](https://lazaretto.dev/mcp-registry/io-github-bnovarini-ncua-data-analysis)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.