Home / MCP registry index / io.github.mcp-fortress/mcp-fortress
MCP Fortress
io.github.mcp-fortress/mcp-fortress in the official MCP registry.
Endpoint https://server.smithery.ai/@mcp-fortress/mcp-fortress-server/mcp.
The registry describes it as: Security scanner for MCP servers. Detect vulnerabilities, prompt injection, and tool poisoning.
We could not reach this server's endpoint on 2026-10-27. Nothing was checked.
Rather than checking back: subscribe to this server's tool changes (a feed, no account and no address needed). Tool names and dates only, never what a tool says.
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The badge reflects the latest read: 
[](https://lazaretto.dev/mcp-registry/io-github-mcp-fortress-mcp-fortress)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. How tool poisoning works. What we found across the registry. Check another server.
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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