Local security layer that checks AI coding-agent actions before they execute and blocks the dangerous ones.
Harden's Agentic Integrity Foundation (AIF) is a security layer that checks what coding agents are about to run before they execute. Its custom cybersecurity models run locally on your device and evaluate every tool call from agents like Claude Code, Cursor, Codex and Kiro against your intent and session context. Dangerous actions get blocked, made safe or flagged, while legitimate ones proceed untouched. The core product is free forever for individual developers.
| Pricing | Freemium |
|---|---|
| Category | Security |
| Platforms | macos, linux |
| Company | Harden |
| Official website | harden.run |
Security tools protect accounts, devices and data, so the first question is what exactly is being protected — passwords, browsing, files, identity or a whole network — and against which threats. Prefer tools from established vendors with transparent practices: independent audits, clear data policies and a record of fixing vulnerabilities quickly matter more than long feature lists. Check how the tool balances protection with friction; security you disable because it annoys you protects nothing. For password and identity tools, strong encryption and zero-knowledge design are the standards to look for. Finally, remember that no tool replaces basic hygiene — unique passwords, two-factor authentication and regular updates do most of the protective work, and a good tool makes all three easier.
Harden's Agentic Integrity Foundation (AIF) is a security layer that checks what coding agents are about to run before they execute. Its custom cybersecurity models run locally on your device and evaluate every tool call from agents like Claude Code, Cursor, Codex and Kiro against your intent and session context. Dangerous actions get blocked, made safe or flagged, while legitimate ones proceed untouched. The core product is free forever for individual developers.
Harden AIF offers Pre-execution checks of agent tool calls, commands and file edits, Local-first cybersecurity models, no repo or output egress, Block, make-safe, approval or log decisions per action, Works with Claude Code, Cursor, Codex, Kiro, Hermes, OpenClaw, Local decision store with audit view and no retention cap, Safe retry suggestions for blocked actions, Benchmarked against frontier models on agent-security tests and Free forever for individual developers.
Harden AIF follows a freemium model: a free tier is available, and paid plans unlock higher limits and advanced features. Check its official website for current plan prices.
Strengths of Harden AIF include Catches secret leaks and destructive commands before they run; Runs fully locally with no account required; Free forever core tier with enterprise controls as an option. On the downside, macOS and Linux only; Windows not supported yet; Needs 16GB RAM and 15GB disk for the local model; Early product with a short track record.
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