io.github.AperionAI/shield

Aperion Shield

Is the Aperion Shield MCP server down? No. It is up and needs args, probed 2026-10-29.

Local guardrail proxy that blocks destructive MCP tool calls, rug pulls, and tool poisoning

needs args probed 2026-11-14 · unchanged since 2026-10-29

MCP error -32000: Connection closed
Error: no upstream MCP server given. Usage:
  aperion-shield [--rules PATH] [--shadow] -- <upstream-mcp> [args...]      (std

Run it: docker run -i --rm ghcr.io/aperionai/shield:shield-v1.0.1 (stdio, probed in a container with the network off)
Host: ghcr.io
Repository: https://github.com/AperionAI/shield
Website: https://docs.aperion.ai/aperion-shield.html
Registry: active, updated 2026-06-11 · registry entry

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The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

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For the publisher

The server needs command line arguments that the registry entry does not list. Add them to the package arguments in the registry entry.