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MCP policy firewall with replayable evidence. Block, audit, replay.
About
Assay is an open-source MCP policy enforcement proxy with replayable evidence bundles. MIT licensed. Covers 7/10 OWASP MCP Top 10 risks. https://github.com/Rul1an/assay
Security Report
10.0
Low Risk10.0Low RiskValid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
7 files analyzed · No issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
Getting Started
Once installed, try these example prompts and explore these capabilities:
- 1assay mcp wrap --policy policy.yaml -- npx @modelcontextprotocol/server-filesystem /tmp/demo
- 2"What tools can my agent call?"
- 3Tool: read_file, list_dir — Policy allows/denies per path
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