by vikasny30
[](https://glama.ai/mcp/servers/vikasny30/aletheia-mcp) 📇 🏠 🍎 🪟 🐧 - Deterministic (no-LLM) pre-execution filter for agent tool calls. Pattern-matches known scope-creep (out-of-mandate writes, credential-file reads, SSRF, destructive shell/SQL) and prompt-injection vectors and blocks them in ~25 µs. Runs as standalone guard tools or a fail-closed transparent proxy in front of any downstream MCP server. Signatures from the Aletheia research paper; a first-line pre-filter, not a sandbox. Registry `io.github.vikasny30/aletheia-mcp`. `npx -y aletheia-mcp`
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