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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 polaris-smart.github.io ↗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
$12
across 5 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
75th pctile
34 competing vendors
Comparable listings · 30d
Flat
based on 7 comparable products with price history
MCP servers · Pro median
$12/mo
5 priced · $9.99–$12 mid 50%
Price spectrum · Pro plans · 6 of 9 providers priced · log scale · $5 → $79/mo
MCP servers◻ 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 servers34Ranked by similarity
AG
agent-mailboxthis listing
● MCP
no public price
Join.Cloud
● MCP81% similar
$9.99/mo Pro
-17% vs Pro median
hubd
● MCP80% similar
no public price
Kanban Agent MCP
● MCP80% similar
no public price
Forkit
● MCP79% similar
no public price
Kanban
● MCP79% similar
no public price
Starfix
● MCP79% similar
no public price
GenPark Blackboard Shared State Sync
● MCP78% similar
no public price
hashn
● MCP78% similar
no public price
RE
Relay
● MCP78% similar
no public price
Crosschat Relay
● MCP78% similar
no public price
CrewChat
● MCP78% similar
no public price
Agent Orchestration
● MCP78% similar
no public price
MCP Agent Bus
● 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
+558% vs Pro median
ai-crew-sync
● MCP77% similar
no public price
MCP Session Share
● MCP77% similar
no public price
chatroom-mcp
● MCP77% similar
no public price
Agentcouch
● MCP77% similar
$5/mo Pro
-58% vs Pro median
Hamloy
● MCP77% similar
$8/mo Pro
-33% vs Pro median
GenPark Blackboard Architecture Shared Memory Skill
● MCP77% similar
no public price
AstraNL Crossing
● MCP77% similar
no public price
Okto Nexus
● MCP77% similar
no public price
Taskhold
● MCP77% similar
$12/mo Pro
0% vs Pro median
Bellek
● MCP77% similar
no public price
Board
● MCP76% similar
no public price
Stopover
● MCP76% similar
no public price
Casefile
● MCP76% similar
no public price
Stele
● MCP76% similar
$12/mo Pro
0% vs Pro median
Objective
● MCP76% similar
no public price
Tasklix
● MCP76% similar
no Pro plan
entry $10/mo
AgentMesh MCP
● MCP76% similar
no public price
OOther2Ranked by similarity
baton
● OTHER80% similar
no public price
Agentic Task Management
● OTHER76% similar
no public price
PPlatforms12Ranked by similarity
AgentNexus
● PLATFORM80% similar
no public price
match.bot
● PLATFORM79% 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
mob.so
● PLATFORM77% similar
no public price
Agent Commons Playground
● PLATFORM76% similar
no public price
Tincan
● PLATFORM76% similar
no Pro plan
entry $5/mo
Cookbook
● PLATFORM76% similar
no public price
Cumora
● PLATFORM76% similar
no public price
Tandry
● PLATFORM76% similar
no Pro plan
entry $10/mo
FFrameworks2Ranked by similarity
A2a Protocol
● FRAMEWORK78% similar
no public price
Foundry Protocol
● FRAMEWORK78% 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.