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Market around prompt_guard

Open-source prompt injection defense system for AI agents. Detects and blocks manipulation attacks across LLM-powered systems with multi-language support and severity scoring.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
Prompt Guard · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
Prompt Guard doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
34th pctile
31 strong substitutes
Price momentum · 31d
Flat
MCP servers · Pro median
$99/mo
3 priced · $62–$99 mid 50%
APIs · Pro median
$20/mo
1 priced · $20–$20 mid 50%
Platforms · Pro median
$35/mo
5 priced · $29–$79 mid 50%
Frameworks · Pro median
$39/mo
1 priced · $39–$39 mid 50%
Price spectrum · Pro plans · 8 of 14 providers priced · log scale · $9 → $99/mo
MCP servers APIs Platforms Frameworks◻ shaded = middle 50% · line = median (all types)Prompt Guard has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches Prompt Guard's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

OOther12Ranked by relevance
prompt_guardthis listing
● OTHER · relevance 100%
no public price
Lakera AI Agent Security Platform
● OTHER · relevance 75%
no public price
mcp_defender
● OTHER · relevance 72%
no Pro plan
entry $30/mo
SENTINEL
● OTHER · relevance 72%
no public price
Endpoint Protector
● OTHER · relevance 70%
no public price
panguard_ai
● OTHER · relevance 69%
$25 one-time Pro
not monthly-comparable
contextspy
● OTHER · relevance 69%
no public price
gandalf_agent_breaker
● OTHER · relevance 68%
no public price
Contemporary Agent Attacks
● OTHER · relevance 68%
no public price
fabraix_playground
● OTHER · relevance 68%
no public price
xaidr
● OTHER · relevance 66%
no public price
AgentGauntlet
● OTHER · relevance 66%
no public price
MMCP servers16Ranked by relevance
PR
promptscan
● MCP · relevance 81%
no public price
zentric_protocol
● MCP · relevance 77%
no Pro plan
entry $29/mo
Prompt Injection Scanner MCP - LLM Security Testing
● MCP · relevance 77%
$25/mo Pro
-75% vs Pro median
Shrike Security
● MCP · relevance 74%
$99/mo Pro
0% vs Pro median
EM
EMA Prompt Injection Firewall v3.1.0
● MCP · relevance 74%
no Pro plan
entry $10/mo
tensorfire
● MCP · relevance 74%
no public price
CouchLoop EQ
● MCP · relevance 71%
no public price
guardrail_mcp
● MCP · relevance 69%
no public price
ClawGuard Shield
● MCP · relevance 68%
$99/mo Pro
0% vs Pro median
honeymcp
● MCP · relevance 67%
no public price
vulnerable_notes_mcp
● MCP · relevance 67%
no public price
anansi
● MCP · relevance 66%
no public price
Browser tool
● MCP · relevance 66%
no Pro plan
entry $10/mo
AIM Guard
● MCP · relevance 66%
no public price
forgemax
● MCP · relevance 66%
no public price
Real-Time LLM Guardrails
● MCP · relevance 65%
no public price
FFrameworks7Ranked by relevance
sentinel_ai
● FRAMEWORK · relevance 78%
no public price
Guardrails AI
● FRAMEWORK · relevance 72%
no public price
bioma_framework
● FRAMEWORK · relevance 71%
no public price
owasp_agent_memory_guard
● FRAMEWORK · relevance 69%
no public price
modelfuzz
● FRAMEWORK · relevance 68%
no public price
spidershield
● FRAMEWORK · relevance 68%
$39/mo Pro
hermes_katana
● FRAMEWORK · relevance 67%
no public price
AAPIs3Ranked by relevance
aegisgate
● API · relevance 77%
no public price
TradingAgents
● API · relevance 76%
no Pro plan
entry $49/mo
constellation_gate
● API · relevance 66%
$20/mo Pro
AAgents8Ranked by relevance
Sentinel Scan
● AGENT · relevance 77%
no public price
agent_opfor
● AGENT · relevance 75%
no public price
AI Security Platform
● AGENT · relevance 72%
no public price
ment_tech_ai_security
● AGENT · relevance 72%
no public price
kavach
● AGENT · relevance 69%
no public price
probeagent
● AGENT · relevance 67%
no public price
agentic_security
● AGENT · relevance 65%
no public price
data_and_ai_security
● AGENT · relevance 65%
no public price
PPlatforms4Ranked by relevance
clawsecure
● PLATFORM · relevance 71%
$29/mo Pro
-17% vs Pro median
splx
● PLATFORM · relevance 69%
no public price
Orq.ai
● PLATFORM · relevance 67%
$35/mo Pro
0% vs Pro median
viper_rtp
● PLATFORM · relevance 66%
$9/mo Pro
-74% vs Pro median

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.