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Market around Marginalia

A persistent, memory-graph-backed chat agent. Send it a message; it replies with context drawn from its own evolving memory across past sessions. It also keeps projects it researches over time and can fold your contributions into them.

Visit marginalia.polycode.co.uk ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
marginalia · Pro
No Pro plan
—
Pro-agent median
$17.09
across 3 priced agents
vs Pro agents
No comparison
marginalia doesn't sell Pro
ⓘ Comparisons are same provider type (agent) and same buyer tier (Pro). Never across tiers.
Market density
34th pctile
11 competing vendors
Comparable listings · 30d
Flat
based on 3 comparable products with price history
Agents · Pro median
$17.09/mo
3 priced · —–— mid 50%
MCP servers · Pro median
$29/mo
8 priced · $23.42–$29 mid 50%

Agents cost 0.6× MCP servers at the Pro tier.

Price spectrum · Pro plans · 14 of 17 providers priced · log scale · $9.99 → $249/mo
Agents MCP servers Frameworks Other◻ shaded = middle 50% · line = median (all types)marginalia has no comparable Pro price — not plotted

Products in this market

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

AAgents11Ranked by similarity
Marginaliathis listing
● AGENT
no public price
Angel
● AGENT80% similar
no public price
Resonant
● AGENT80% similar
no public price
Riverse
● AGENT76% similar
no public price
Memoryplugin
● AGENT75% similar
$15/mo Pro
-12% vs Pro median
Meowagent
● AGENT74% similar
no public price
Clopinette
● AGENT74% similar
$14.99/mo Pro
-12% vs Pro median
Research Agent
● AGENT73% similar
no public price
Hermes Agent 2
● AGENT72% similar
$20/mo Pro
+17% vs Pro median
Momento Ai
● AGENT72% similar
no public price
Relate
● AGENT72% similar
no public price
MMCP servers25Ranked by similarity
Neo Mem
● MCP79% similar
no public price
MI
MiFactory
● MCP79% similar
no public price
0Latency Memory
● MCP78% similar
$29/mo Pro
0% vs Pro median
Brain
● MCP78% similar
no public price
Working Memory
● MCP76% similar
no Pro plan
entry $20/mo
Claude Memory Mcp 2
● MCP76% similar
no public price
Synapse Layer (Synapse Protocol)
● MCP75% similar
$19/mo Pro
-34% vs Pro median
Hippocampus
● MCP75% similar
no Pro plan
entry $5/mo
Tideline Memory
● MCP75% similar
no public price
Iai Personal Memory Engine
● MCP75% similar
no public price
Hjarni
● MCP75% similar
$11/mo Pro
-62% vs Pro median
Lossless Code
● MCP74% similar
no public price
Remembra
● MCP74% similar
$29/mo Pro
0% vs Pro median
DeepMem
● MCP73% similar
$24.9/mo Pro
-14% vs Pro median
Mnemoverse Memory
● MCP73% similar
$29/mo Pro
0% vs Pro median
Heimdall
● MCP73% similar
no public price
Agent Memory Engine
● MCP72% similar
no public price
Memory Engine
● MCP72% similar
no public price
ReasonGraph
● MCP72% similar
$29/mo Pro
0% vs Pro median
Megamemory
● MCP72% similar
no public price
Recalld
● MCP72% similar
$29/mo Pro
0% vs Pro median
Memcord
● MCP72% similar
no public price
CO
Core
● MCP72% similar
no public price
agent-sleep
● MCP72% similar
no public price
pūrmemo
● MCP71% similar
no public price
OOther7Ranked by similarity
AI Agent Memory Cognis
● OTHER79% similar
no public price
Cortico Bot Continuity
● OTHER76% similar
no public price
DSH Self-Improved
● OTHER74% similar
no public price
Mentedb
● OTHER73% similar
$49/mo Pro
Floop
● OTHER72% similar
no public price
Baron Munchausen
● OTHER72% similar
no public price
Hermes Codex Plugin
● OTHER71% similar
no public price
FFrameworks5Ranked by similarity
Memind
● FRAMEWORK75% similar
no public price
Nowledge Mem
● FRAMEWORK74% similar
$9.99/mo Pro
Recallium
● FRAMEWORK72% similar
no public price
Mem0
● FRAMEWORK72% similar
$249/mo Pro
Mnemon
● FRAMEWORK72% similar
no public price
AAPIs2Ranked by similarity
Agent Magnet
● API74% similar
no Pro plan
entry $20/mo
Mindset Agent Memory
● API72% 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.