# 🛡️ Guardian Data Cleanser & Sybil Shield Autonomous Agent-to-Agent (A2A) data sanitization, prompt-injection defense, and graph-based Sybil cluster detection. ## Key Features - **Prompt Injection Defense:** Neutralizes system overrides, role hijacking, and delimiter escapes.
Prices and medians update for the tier you select.
Agents cost 1.8× MCP servers at the Pro tier.
Ranked by how closely each one matches Guardian Data Cleanser's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.