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Add fak (agent tool firewall) to Security#852

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anthony-chaudhary wants to merge 1 commit into
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anthony-chaudhary:add-fak-2026
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Add fak (agent tool firewall) to Security#852
anthony-chaudhary wants to merge 1 commit into
TensorBlock:mainfrom
anthony-chaudhary:add-fak-2026

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What

Adds fak to docs/security.md (🔒 Security).

Why it fits

fak fronts an MCP server and adjudicates every tool call before it runs — it sits alongside the governance/proxy entries already in this category (ark-forge's "certifying proxy for AI agent API calls", ndl-systems' "ALLOW/CLAMP/DENY authorization"):

  • a default-deny capability gate on the tool-call path (irreversible actions fail closed — by structure, not by catching the attack);
  • a quarantine that holds suspicious tool results out of the model's context entirely (Tool Poisoning / Memory Poisoning).

It exposes five fak_* adjudication tools to any MCP client, so it's an MCP server as well as a gate. Single static Go binary, zero external dependencies, Apache-2.0.

Added in the best docs/*.md category per the contributing guide, matching the section's - [name](url): description format. I'm the author; description limited to what's shipped.

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