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Market around postern

Self-hostable email infrastructure for humans and AI agents on Cloudflare. Provides sending, receiving, searchable storage, webmail, IMAP, mailbox APIs, and an MCP server for agent access.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
postern · Pro
No Pro plan
—
Pro-MCP server median
$73.5
across 4 priced MCP servers
vs Pro MCP servers
No comparison
postern doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
70th pctile
186 strong substitutes
Price momentum · 31d
+5.4%
MCP servers · Pro median
$73.5/mo
4 priced · $41–$99 mid 50%
APIs · Pro median
$5.25/mo
2 priced · $2.88–$7.63 mid 50%
Platforms · Pro median
$11.84/mo
2 priced · $8.42–$15.25 mid 50%
Price spectrum · Pro plans · 7 of 16 providers priced · log scale · $5 → $99/mo
MCP servers APIs Platforms◻ shaded = middle 50% · line = median (all types)postern has no comparable Pro price — not plotted

Products in this market

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

MMCP servers41Ranked by relevance
posternthis listing
● MCP · relevance 100%
no public price
submail
● MCP · relevance 88%
no public price
primitive.dev
● MCP · relevance 85%
no Pro plan
entry $13/mo
agentbox
● MCP · relevance 85%
no public price
inboxapi
● MCP · relevance 84%
no public price
JH
JHJ-email-mcp
● MCP · relevance 82%
no Pro plan
entry $10/mo
send16_mcp
● MCP · relevance 82%
$99/mo Pro
+35% vs Pro median
Stalwart Mail MCP
● MCP · relevance 81%
no public price
AgentTrust
● MCP · relevance 80%
no Pro plan
entry $9/mo
Postmaster MCP
● MCP · relevance 80%
no public price
postfleet
● MCP · relevance 80%
$20/mo Pro
-73% vs Pro median
deskmail_ai
● MCP · relevance 80%
no public price
mcpeemails_self_host
● MCP · relevance 80%
no public price
mektup
● MCP · relevance 79%
$48/mo Pro
-35% vs Pro median
yaakovscher_agent_cold_email
● MCP · relevance 79%
$99/mo Pro
+35% vs Pro median
Sendmux Email Inbox API + Sending
● MCP · relevance 78%
no public price
TE
TextForge
● MCP · relevance 78%
no public price
gmail_mcp
● MCP · relevance 78%
no public price
ai_business_mcp_server
● MCP · relevance 76%
no public price
RadMail MCP
● MCP · relevance 76%
no public price
agent_cold_email
● MCP · relevance 76%
no public price
outlook_assistant
● MCP · relevance 75%
no public price
Email Agent | Agent Inbox
● MCP · relevance 75%
no Pro plan
entry $19/mo
email_mcp_2
● MCP · relevance 75%
no public price
DialogBrain
● MCP · relevance 75%
no Pro plan
entry $5/mo
mailbox.bot - send postal mail letters thru your ai agent
● MCP · relevance 75%
no Pro plan
entry $15/mo
MAILTYPE
● MCP · relevance 75%
no public price
toolhive
● MCP · relevance 75%
no public price
SentFromAI MCP
● MCP · relevance 75%
no public price
Gmail MCP
● MCP · relevance 74%
no public price
Zoho Mail MCP
● MCP · relevance 74%
no public price
mailbridge
● MCP · relevance 74%
no public price
zoho_mail
● MCP · relevance 74%
no Pro plan
entry $10/mo
gmail_multi_account_mcp
● MCP · relevance 74%
no public price
mu
● MCP · relevance 73%
no public price
mailbridge
● MCP · relevance 73%
no public price
gadgethumans_mcp
● MCP · relevance 73%
no public price
newsletter_platform
● MCP · relevance 73%
no public price
atlas_mcp
● MCP · relevance 73%
no public price
1xn_vmcp_platform
● MCP · relevance 73%
no public price
agentmail
● MCP · relevance 73%
no Pro plan
entry $20/mo
OOther2Ranked by relevance
aimx
● OTHER · relevance 84%
no public price
Postfleet MCP
● OTHER · relevance 79%
no public price
AAPIs3Ranked by relevance
sendcore
● API · relevance 84%
no Pro plan
entry $19/mo
nornweave
● API · relevance 78%
no public price
mailkite
● API · relevance 73%
$10/mo Pro
+90% vs Pro median
PPlatforms3Ranked by relevance
openagent_email
● PLATFORM · relevance 80%
$5/mo Pro
-58% vs Pro median
xano_mcp_builder
● PLATFORM · relevance 73%
$18.67/mo Pro
+58% vs Pro median
mcphub
● PLATFORM · relevance 73%
no public price
FFrameworks1Ranked by relevance
model_context_protocol
● FRAMEWORK · relevance 72%
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.