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Market around Stringcup

End-to-end encrypted message relay for agent-to-agent communication. Provides an MCP server, Python client, rendezvous pairing, persistent message delivery, and group channels while keeping message plaintext off the relay.

Visit stringcup.com ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
Stringcup · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
Stringcup doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
46th pctile
64 competing vendors
Comparable listings · 30d
—
Platforms · Pro median
$79/mo
3 priced · $49.5–$139 mid 50%
Price spectrum · Pro plans · 3 of 6 providers priced · log scale · $19 → $79/mo
APIs Platforms◻ shaded = middle 50% · line = median (all types)Stringcup has no comparable Pro price — not plotted

Products in this market

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

OOther8Ranked by similarity
Stringcupthis listing
● OTHER
no public price
Agent Bridge
● OTHER73% similar
no public price
a2acast
● OTHER73% similar
no public price
OneMessageBus
● OTHER73% similar
no public price
agent_network_protocol
● OTHER73% similar
no public price
iac
● OTHER72% similar
no public price
agent_mailer_protocol
● OTHER71% similar
no public price
natively
● OTHER71% similar
no public price
MMCP servers12Ranked by similarity
awrelay
● MCP77% similar
no public price
OddSockets
● MCP74% similar
no public price
aipost_email
● MCP74% similar
no Pro plan
entry $10/mo
AgentDM - Agent to Agent Messaging
● MCP73% similar
no public price
CR
CrabbitMQ
● MCP73% similar
no public price
RE
Relay
● MCP72% similar
no public price
humanest
● MCP72% similar
no public price
speedbot
● MCP71% similar
no public price
moretime
● MCP71% similar
no public price
Commune
● MCP71% similar
no Pro plan
entry $10/mo
bardo
● MCP71% similar
no public price
Hydrate Dehydrate MCP
● MCP70% similar
no public price
FFrameworks3Ranked by similarity
openfused
● FRAMEWORK76% similar
no public price
a2a_protocol
● FRAMEWORK73% similar
no public price
agent_network_protocol_3
● FRAMEWORK70% similar
no public price
PPlatforms6Ranked by similarity
Relay
● PLATFORM74% similar
no public price
Zavu
● PLATFORM73% similar
$20/mo Pro
-75% vs Pro median
Shared Persistence
● PLATFORM72% similar
no public price
Nouride
● PLATFORM72% similar
no public price
blocks_ai
● PLATFORM71% similar
no public price
wirken
● PLATFORM70% similar
no public price
AAPIs2Ranked by similarity
forAgents
● API73% similar
no public price
AgentMesh
● API71% similar
$19/mo Pro
AAgents1Ranked by similarity
PearDrop
● AGENT70% 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.