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io.github.builtforai/coverage-exception
io.github.builtforai/coverage-exception in the official MCP registry.
Endpoint https://insurewith.ai/mcp. Source: github.com/builtforai/builtforai-healthcare.
The registry describes it as: Why Medicare Part D restricts a drug, and the exception and appeal path to challenge it
We read its 2 tools on 2026-10-27. 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
medicare_part_d_out_of_pocket_cap medicare_coverage_restriction_and_exception
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[](https://lazaretto.dev/mcp-registry/io-github-builtforai-coverage-exception)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.