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Market around once-gate

An MCP proxy and Python library that prevents AI agent side effects from running more than once. It gates tool calls, supports exact human approval, stores results, and refuses to automatically retry unfinished actions.

Visit github.com ↗

Explore the market

Prices and medians update for the tier you select. Caution: thin market — treat statistics as indicative.

Compare at
once-gate · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
once-gate doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
64th pctile
238 competing vendors
Comparable listings · 30d
—
Price spectrum · Pro plans · 1 of 1 providers priced · log scale · $19 → $19/mo
Frameworks◻ shaded = middle 50% · line = median (all types)once-gate has no comparable Pro price — not plotted

Products in this market

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

OOther18Ranked by similarity
once-gatethis listing
● OTHER
no public price
Countersign
● OTHER78% similar
no public price
AegisCore
● OTHER77% similar
no public price
Squidbrake
● OTHER76% similar
no public price
VEOR
● OTHER76% similar
no public price
Agent Effect Gate
● OTHER76% similar
no public price
Invock
● OTHER75% similar
no public price
CA
CallWitness
● OTHER75% similar
no public price
Agent Trust Plane
● OTHER75% similar
no public price
Aileron
● OTHER75% similar
no public price
Stroq
● OTHER75% similar
no public price
TrifectaGuard
● OTHER74% similar
no public price
Agentguard
● OTHER74% similar
no public price
TLS-for-Nimoguard
● OTHER74% similar
no public price
Governor
● OTHER74% similar
no public price
DashClaw
● OTHER74% similar
no public price
jev-gate
● OTHER73% similar
no public price
Lotor
● OTHER73% similar
no public price
MMCP servers20Ranked by similarity
AW-1 Breaker
● MCP81% similar
no public price
Vouchwell
● MCP81% similar
no public price
mcpcut
● MCP81% similar
no public price
Planlock
● MCP80% similar
no public price
Vaara
● MCP80% similar
no public price
Agent Firewall
● MCP80% similar
no public price
Agent Chaperone
● MCP79% similar
no public price
MCP Intercepter
● MCP78% similar
no public price
CloakPipe
● MCP77% similar
no public price
Two-Key
● MCP77% similar
no public price
MetaMynd MCP Gateway
● MCP77% similar
no public price
Abhed MCP
● MCP76% similar
no public price
FU
fusional
● MCP75% similar
no public price
Blackout
● MCP74% similar
no public price
Mcp Idempotent
● MCP74% similar
no public price
Sentinel 2
● MCP74% similar
no public price
CCS Runtime Evidence MCP Server
● MCP74% similar
no public price
ApprovalLens
● MCP73% similar
no public price
Toolwall
● MCP73% similar
no public price
coding-agents-mcp
● MCP73% similar
no public price
FFrameworks9Ranked by similarity
Agenttrustops
● FRAMEWORK77% similar
no public price
ctrlrun
● FRAMEWORK76% similar
no public price
Aegis
● FRAMEWORK75% similar
no public price
HUMMBL
● FRAMEWORK75% similar
no public price
SAVI Loop Guard
● FRAMEWORK75% similar
no public price
Midge Security
● FRAMEWORK75% similar
no public price
Thumbgate
● FRAMEWORK75% similar
$19/mo Pro
Allem
● FRAMEWORK74% similar
no public price
Attenu
● FRAMEWORK74% similar
no public price
PPlatforms2Ranked by similarity
Tarfio
● PLATFORM76% similar
no public price
AgentRaaS
● PLATFORM74% similar
no public price
AAPIs1Ranked by similarity
Agent Middleware
● API75% similar
no public price

Thin market — few comparable priced products; treat statistics as indicative.