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Market around agent-mailbox

An open-source stdio MCP server that lets AI agents exchange asynchronous messages and coordinate tasks through JSON files, with an optional zero-dependency web kanban board.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
agent-mailbox · Pro
No Pro plan
—
Pro-MCP server median
$9.99
across 3 priced MCP servers
vs Pro MCP servers
No comparison
agent-mailbox doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
86th pctile
25 competing vendors
Comparable listings · 30d
Flat
based on 9 comparable products with price history
MCP servers · Pro median
$9.99/mo
3 priced · $7.5–$44.5 mid 50%
Platforms · Pro median
$20/mo
3 priced · $17.5–$59.5 mid 50%
Price spectrum · Pro plans · 5 of 8 providers priced · log scale · $5 → $79/mo
MCP servers Platforms◻ shaded = middle 50% · line = median (all types)agent-mailbox has no comparable Pro price — not plotted

Products in this market

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

MMCP servers23Ranked by similarity
agent-mailboxthis listing
● MCP
no public price
Join.Cloud
● MCP81% similar
$9.99/mo Pro
0% vs Pro median
forkit
● MCP79% similar
no public price
kanban_mcp
● MCP79% similar
no public price
GenPark Blackboard Shared State Sync
● MCP78% similar
no public price
RE
Relay
● MCP78% similar
no public price
agent_orchestration
● MCP78% similar
no public price
Docket
● MCP78% similar
no public price
Swarm MCP Server
● MCP78% similar
no public price
SI
silicon_nexus
● MCP77% similar
$79/mo Pro
+691% vs Pro median
agentcouch
● MCP77% similar
$5/mo Pro
-50% vs Pro median
board_mcp
● MCP76% similar
no public price
Casefile
● MCP76% similar
no public price
objective
● MCP76% similar
no public price
tasklix
● MCP76% similar
no Pro plan
entry $10/mo
CR
CrabbitMQ
● MCP76% similar
no public price
projectbrain-mcp
● MCP75% similar
no public price
kaban
● MCP75% similar
no public price
Dead Drop
● MCP75% similar
no public price
task_orchestrator
● MCP75% similar
no public price
retasc
● MCP75% similar
no public price
doriku
● MCP75% similar
no public price
mcpmessage
● MCP75% similar
no public price
PPlatforms18Ranked by similarity
AgentNexus
● PLATFORM80% similar
no public price
compendium
● PLATFORM78% similar
no public price
marshell_labs
● PLATFORM77% similar
no public price
AgentSpork
● PLATFORM77% similar
no public price
DaoNexus
● PLATFORM77% similar
no public price
Tincan
● PLATFORM76% similar
no Pro plan
entry $5/mo
Cumora
● PLATFORM76% similar
no public price
Tandry
● PLATFORM76% similar
no public price
Joxo
● PLATFORM76% similar
$15/mo Pro
-25% vs Pro median
xiajiao_im
● PLATFORM76% similar
no public price
Agent Coordination Substrate
● PLATFORM76% similar
no public price
hivemind
● PLATFORM76% similar
no public price
circlechat
● PLATFORM75% similar
no Pro plan
entry $29/mo
OzBrain
● PLATFORM75% similar
$20/mo Pro
0% vs Pro median
Yello
● PLATFORM75% similar
no public price
cowchat
● PLATFORM75% similar
no public price
agentsmesh
● PLATFORM75% similar
no public price
willder
● PLATFORM75% similar
no public price
FFrameworks2Ranked by similarity
a2a_protocol
● FRAMEWORK78% similar
no public price
agenticx
● FRAMEWORK75% similar
no public price
OOther7Ranked by similarity
MCP Session Share
● OTHER77% similar
no public price
Agentic Task Management
● OTHER76% similar
no public price
Cookbook
● OTHER76% similar
no public price
dibs
● OTHER75% similar
no public price
natively
● OTHER75% similar
no public price
openmsg
● OTHER75% similar
no public price
agent_mailer_protocol
● OTHER75% 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.