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Market around Postkeep

An open-source unified mail MCP server for connecting AI agents to email systems. Released under the MIT License.

Visit gitlab.com ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
Postkeep · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
Postkeep doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
91st pctile
896 competing vendors
Comparable listings · 30d
—
MCP servers · Pro median
$25/mo
9 priced · $19–$30 mid 50%
Price spectrum · Pro plans · 9 of 20 providers priced · log scale · $15 → $99/mo
MCP servers APIs◻ shaded = middle 50% · line = median (all types)Postkeep has no comparable Pro price — not plotted

Products in this market

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

OOther2Ranked by similarity
Postkeepthis listing
● OTHER
no public price
CData Connect AI
● OTHER78% similar
no public price
MMCP servers42Ranked by similarity
IMAP Agent Gateway
● MCP88% similar
no public price
Agent Mail Gateway
● MCP87% similar
no public price
primitive.dev
● MCP86% similar
no Pro plan
entry $13/mo
AgentTrust
● MCP86% similar
no Pro plan
entry $9/mo
Send16
● MCP85% similar
$99/mo Pro
+296% vs Pro median
Agentbox
● MCP84% similar
no public price
xmail
● MCP84% similar
no public price
Inboxapi
● MCP84% similar
no public price
Email Engine
● MCP84% similar
no public price
m.0S
● MCP83% similar
no public price
JH
JHJ-email-mcp
● MCP83% similar
no public price
Mcpeemails Self Host
● MCP82% similar
$15/mo Pro
-40% vs Pro median
Universal Email MCP
● MCP82% similar
no public price
MAAC Go Email
● MCP82% similar
$26/mo Pro
+4% vs Pro median
Atomicmail
● MCP82% similar
no public price
Sendmux Email Inbox API + Sending
● MCP81% similar
$7 usage Pro
not monthly-comparable
Email Agent
● MCP81% similar
no Pro plan
entry $19/mo
Supermcp
● MCP81% similar
no public price
MCP Infomaniak POC
● MCP81% similar
no public price
AI Mail MCP
● MCP81% similar
no public price
Commune
● MCP81% similar
no public price
onemcp
● MCP80% similar
$25/mo Pro
0% vs Pro median
UnClick
● MCP80% similar
no public price
Postfleet
● MCP79% similar
$20/mo Pro
-20% vs Pro median
Postern
● MCP79% similar
no public price
Taifoon Coordination Layer API
● MCP79% similar
no public price
clawlink
● MCP79% similar
$30/mo Pro
+20% vs Pro median
Email Octopus MCP
● MCP79% similar
no public price
Postfleet MCP
● MCP79% similar
no public price
Aureum Tech MCP Integrations
● MCP79% similar
no public price
Submail
● MCP79% similar
no public price
Sentfromai
● MCP79% similar
$19/mo Pro
-24% vs Pro median
Packet Pigeon
● MCP79% similar
no public price
Stackone
● MCP79% similar
no Pro plan
entry $600/mo
DialogBrain
● MCP79% similar
no Pro plan
entry $5/mo
EmailOctopus MCP Server
● MCP79% similar
no public price
Multi-Mail MCP
● MCP79% similar
no public price
Mektup
● MCP79% similar
$48/mo Pro
+92% vs Pro median
Agentmail
● MCP79% similar
no Pro plan
entry $2/mo
Ai Business
● MCP78% similar
no public price
Volanea
● MCP78% similar
no Pro plan
entry $5/mo
Imap
● MCP78% similar
no public price
AAPIs2Ranked by similarity
Sendcore
● API84% similar
no Pro plan
entry $19/mo
Mails.ai
● API82% similar
$20/mo Pro
PPlatforms4Ranked by similarity
Openagent Email
● PLATFORM81% similar
$30.00 one-time Pro
not monthly-comparable
Agentboxd
● PLATFORM80% similar
no Pro plan
entry $15/mo
kenoodl
● PLATFORM79% similar
no public price
Mcphub
● PLATFORM78% 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.