Assay

Name: Assay
Author: Rul1an

Policy-as-code gate for MCP. A fail-closed proxy that denies risky tool calls before they run, produces offline-verifiable evidence bundles of what executed, and enforces IPv4/TCP egress in-kernel via eBPF/LSM and Landlock on Linux. Deterministic and offline-first.

securityai

By Rul1an

Installation

npx -y assay

Configuration

{
  "mcpServers": {
    "assay": {
      "command": "npx",
      "args": ["-y", "assay"]
    }
  }
}

How to use

Run the installation command above (if needed)
Open your Claude Code settings file (~/.claude/settings.json)
Add the configuration to the mcpServers section
Restart Claude Code to apply changes

View source on GitHub

Assay

Installation

Configuration

How to use

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