May 14, 2026·1 min read

Defender — Prompt Injection Guardrails for Agents

Defender is an OSS library to detect and neutralize prompt injection in tool outputs; verified 97★ and bundles a ~22MB ONNX model.

Agent ready

Ready-to-run agent install

This asset can be installed after the agent chooses its runtime, checks the plan, and runs the matching command.

Native · 96/100Policy: allow
Agent surface
Any MCP/CLI agent
Kind
Prompt
Install
Single
Trust
Trust: Community
Entrypoint
Asset
Direct install command
npx -y tokrepo@latest install 21666b2c-58cb-50da-b8ac-5a3b476463b1 --target codex

Run after dry-run confirms the install plan.

Defender is an OSS library to detect and neutralize prompt injection in tool outputs; verified 97★ and bundles a ~22MB ONNX model.

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