# 🛡️ 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.
As parsed from nevermined.app/checkout/826853291468703151006901571686635076512630551385104144327312484590976947199 on 2026-10-19.
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Guardian Data Cleanser · Pro
No Pro plan
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Pro-MCP server median
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insufficient comparable pricing
vs Pro MCP servers
No comparison
Guardian Data Cleanser doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
29th pctile
5 competing vendors
Comparable listings · 30d
Flat
limited data · 0 priced comparables
Price spectrum · Pro plans · 6 of 9 providers priced · log scale · $29 → $99/mo
Agents MCP servers Platforms Other◻ shaded = middle 50% · line = median (all types)Guardian Data Cleanser has no comparable Pro price — not plotted
Products in this market
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