Part of Leviathan Platform · standalone license available

Agent Guardrails

A prompt-injection detector and a Python egress firewall, for AI agents and automation you build and run yourself. Screen what your tools read and write. Stop them phoning home to the wrong place. Machine identities already outnumber human ones 80:1 in the average enterprise (KPMG, 2026) — this is built for the agents nobody's watching.

$2,000/yr, per org — flat, unlimited seats and environments

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What it actually catches

Three real ways an agent gets steered off-policy.

Injection

A scraped page tells your agent what to do

Indirect prompt injection: content your agent reads — a web page, a document, a memory record — carries an instruction it was never meant to follow.

Egress

Your own script phones home to the wrong place

Iron-Thread, a Python egress firewall built on sys.addaudithook, blocks unauthorized outbound connections and subprocess spawns before they leave your infrastructure.

Drift

What you already approved quietly changes

MCP tool and skill-file pinning: a hash-based check that flags a tool or skill's content changing after you first trusted it.

Three modules

Composable, zero dependencies.

Prompt-injection detector — scans text for injection/jailbreak pattern shapes across dozens of categories, with a CLEAN/SUSPECT/FLAGGED verdict tier. Add your own detection rules at runtime with register_custom_pattern() — no support ticket, no waiting on us, no editing the package source.
Iron-Thread egress firewall — audit-hook-based network and subprocess gating, catches accidental or unsophisticated egress
MCP tool & skill-file pinning — hash-based drift detection for tools and skill instructions
Subprocess output scanning — closes the gap between "this command is allowed to run" and "this command's output is safe to trust"

Pricing

One flat license. No per-seat fees.

Annual

Agent Guardrails license

$2,000/yr, per org

Flat. Unlimited environments and seats within your org. Covers the library, the CLI, and updates for the year.

All three modules
Zero pip dependencies
Discounted as an add-on if you're already running Leviathan Platform

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