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Market around Penholder

Approval gate for AI agent writes to governed spreadsheets, Postgres, and MySQL. Agent proposals remain pending until a human approves them, with per-cell controls, fail-closed commits, provenance, and a tamper-evident operation log.

Visit penholder.ai ↗Pricing page ↗
Pricing (3 buyer tiers · 5 plans)
Free plan available Free
As parsed from penholder.ai/pricing.html on 2026-08-24.

Explore the market

Prices and medians update for the tier you select.

Compare at
Penholder · Individual
$20/mo
Personal plan
Individual-provider median
—
insufficient comparable pricing
vs Individual providers
Insufficient
comparable pricing
ⓘ Comparisons are same provider type (provider) and same buyer tier (Individual). Never across tiers.
Market density
34th pctile
31 strong substitutes
Price momentum · 31d
Flat
APIs · Individual median
$33.25/mo
2 priced · $29.09–$37.42 mid 50%
Platforms · Individual median
$0.01/mo
1 priced · $0.01–$0.01 mid 50%
Other · Individual median
$20/mo
1 priced · $20–$20 mid 50%
Price spectrum · Individual plans · 2 of 13 providers priced · log scale · $20 → $24.92/mo
APIs Other◻ shaded = middle 50% · line = median (all types)large ringed dot = Penholder ($20/mo)

Products in this market

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

OOther9Ranked by relevance
Penholderthis listing
● OTHER · relevance 100%
$20/mo Individual
ACP — Agent Control Plane
● OTHER · relevance 71%
no public price
Midplane
● OTHER · relevance 70%
no public price
Collaborative Human-Agent Protocol
● OTHER · relevance 70%
no public price
lotor
● OTHER · relevance 70%
no public price
agentguard
● OTHER · relevance 69%
no public price
tarcs_mem
● OTHER · relevance 69%
no public price
pocketveto
● OTHER · relevance 68%
no public price
update_helper_skills
● OTHER · relevance 67%
no public price
MMCP servers12Ranked by relevance
ccmcp
● MCP · relevance 74%
no Individual plan
entry $19/mo
Catalyst - AI Agent Governance
● MCP · relevance 72%
no public price
SQ
sqlguard
● MCP · relevance 72%
no Individual plan
entry $99/mo
taste_mcp
● MCP · relevance 69%
no public price
NOMOS Cross-Border Broker
● MCP · relevance 69%
no public price
sentinel
● MCP · relevance 69%
no public price
coding_tools_mcp
● MCP · relevance 68%
no public price
objective
● MCP · relevance 67%
no public price
Drift
● MCP · relevance 67%
no public price
mcp_google_sheets
● MCP · relevance 67%
no public price
sheetspec
● MCP · relevance 67%
no public price
selvedge_2
● MCP · relevance 67%
no public price
PPlatforms11Ranked by relevance
satgate
● PLATFORM · relevance 73%
no Individual plan
entry $90/mo
Lunar
● PLATFORM · relevance 72%
no public price
fyllocode
● PLATFORM · relevance 72%
no public price
cordum
● PLATFORM · relevance 70%
no public price
Codacy
● PLATFORM · relevance 69%
no Individual plan
entry $18/mo
aming_claw
● PLATFORM · relevance 69%
no public price
busabase
● PLATFORM · relevance 68%
no Individual plan
entry $10/mo
node9
● PLATFORM · relevance 68%
no Individual plan
entry $29/mo
prefactor
● PLATFORM · relevance 67%
no Individual plan
entry $199/mo
agnys
● PLATFORM · relevance 67%
custom quote Individual
not monthly-comparable
Kredit
● PLATFORM · relevance 67%
$0.01 usage Individual
not monthly-comparable
FFrameworks10Ranked by relevance
thumbgate
● FRAMEWORK · relevance 73%
no Individual plan
entry $19/mo
agentic_os
● FRAMEWORK · relevance 70%
no public price
sidclaw
● FRAMEWORK · relevance 70%
no public price
cyber_ming_protocol
● FRAMEWORK · relevance 70%
no public price
gnt
● FRAMEWORK · relevance 70%
no public price
behalf_harness
● FRAMEWORK · relevance 68%
no public price
actenon
● FRAMEWORK · relevance 68%
no public price
the_open_engine
● FRAMEWORK · relevance 68%
no public price
delimit
● FRAMEWORK · relevance 67%
no Individual plan
entry $10/mo
boffin
● FRAMEWORK · relevance 67%
no public price
AAgents5Ranked by relevance
openbox
● AGENT · relevance 72%
no public price
agentgrc_ai
● AGENT · relevance 71%
no public price
orka
● AGENT · relevance 69%
no public price
ai_agents_compliance_automate_
● AGENT · relevance 69%
no public price
ai_agent_registry
● AGENT · relevance 67%
no public price
AAPIs3Ranked by relevance
cohesion
● API · relevance 70%
$24.92/mo Individual
-25% vs Individual median
forge_agent_gate
● API · relevance 70%
no public price
trustloopguard
● API · relevance 68%
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.