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Market around Guard Spec

An open-source, self-hosted gateway that detects and blocks prompt injection in prompts, documents, tool results, MCP tools, and model outputs for LLM applications and agents.

Visit guardspec.io ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
Guard Spec · Pro
No Pro plan
—
Pro-API median
—
insufficient comparable pricing
vs Pro APIs
No comparison
Guard Spec doesn't sell Pro
ⓘ Comparisons are same provider type (API) and same buyer tier (Pro). Never across tiers.
Market density
41st pctile
80 competing vendors
Comparable listings · 30d
—
MCP servers · Pro median
$39.25/mo
4 priced · —–— mid 50%
Price spectrum · Pro plans · 8 of 10 providers priced · log scale · $19 → $99/mo
Agents MCP servers APIs Other◻ shaded = middle 50% · line = median (all types)Guard Spec has no comparable Pro price — not plotted

Products in this market

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

AAPIs5Ranked by similarity
Guard Specthis listing
● API
no public price
Aegisgate
● API81% similar
no public price
CollieAi
● API77% similar
no Pro plan
entry $49/mo
zn
● API75% similar
$19/mo Pro
Little Canary
● API71% similar
no public price
OOther13Ranked by similarity
Prompt Guard
● OTHER86% similar
no public price
promptfw
● OTHER76% similar
no public price
ReasonGate
● OTHER76% similar
no public price
SENTINEL
● OTHER74% similar
no public price
Lakera AI Agent Security Platform
● OTHER73% similar
no public price
Agent Cyber Sentinel
● OTHER73% similar
no public price
SentinelAgent Guard
● OTHER73% similar
$49/mo Pro
PHANTOM SNARE
● OTHER72% similar
no public price
Tollgate
● OTHER72% similar
no public price
Grey Panda
● OTHER72% similar
no public price
Stroq
● OTHER71% similar
no public price
GenPark Prompt Injection Jailbreak Detector
● OTHER71% similar
no public price
Endpoint Protector
● OTHER70% similar
no public price
MMCP servers24Ranked by similarity
Canary MCP
● MCP79% similar
no public price
Toolwall
● MCP79% similar
no public price
PR
promptscan
● MCP78% similar
no public price
Zentric Protocol
● MCP78% similar
no Pro plan
entry $29/mo
Prompt Fence
● MCP77% similar
no public price
safewebfetch
● MCP76% similar
no public price
Shrike Security
● MCP75% similar
$99/mo Pro
+152% vs Pro median
GenPark PII Secret Redaction & Masking
● MCP74% similar
no public price
Agent Tool Broker
● MCP74% similar
no public price
Prompt Injection Scanner MCP - LLM Security Testing
● MCP74% similar
$25/mo Pro
-36% vs Pro median
Tensorfire
● MCP74% similar
no public price
LLM-Agent × UniversalSniffer
● MCP73% similar
no public price
Burp Agent MCP
● MCP73% similar
no public price
Agent Firewall
● MCP73% similar
no public price
Prompt Compass
● MCP73% similar
$20/mo Pro
-49% vs Pro median
AgentDiet Prompt Guard
● MCP73% similar
$29/mo Pro
-26% vs Pro median
mcp-shield
● MCP72% similar
no public price
PoisonDash MCP Server
● MCP72% similar
no public price
MCP Injection Guard
● MCP71% similar
no public price
Forgemax
● MCP70% similar
no public price
Bolt
● MCP70% similar
no public price
Prism MCP Gateway
● MCP70% similar
no public price
NE
Nexus MCP Enterprise Gateway
● MCP70% similar
no public price
unbrowser by Unchained
● MCP70% similar
no public price
AAgents5Ranked by similarity
Motor-de-Guardrails-de-Seguran-a-contra-Prompt-Injection-e-Integracao-Segura-via-MCP
● AGENT77% similar
no public price
Sentinel Scan
● AGENT74% similar
no public price
Agent Opfor
● AGENT71% similar
no public price
Patronus Scanner
● AGENT71% similar
$69/mo Pro
AIShield
● AGENT71% similar
no public price
FFrameworks1Ranked by similarity
Sentinel Ai
● FRAMEWORK75% similar
no public price

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.