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Market around Story Engine

An open-source framework for diagnosing and designing sustainable plot progression in long-form fiction, with structured schemas, rule-based analysis, validation, and support for AI or agent workflows.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
Story Engine · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
Story Engine doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
9th pctile
4 strong substitutes
Price momentum · 30d
—
MCP servers · Pro median
$49.99/mo
3 priced · $49.5–$74.5 mid 50%
Price spectrum · Pro plans · 2 of 3 providers priced · log scale · $49 → $49.99/mo
MCP servers◻ shaded = middle 50% · line = median (all types)Story Engine has no comparable Pro price — not plotted

Products in this market

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

FFrameworks22Ranked by relevance
Story Enginethis listing
● FRAMEWORK · relevance 100%
no public price
spec_driven_develop
● FRAMEWORK · relevance 67%
no public price
agentrule_skill
● FRAMEWORK · relevance 65%
no public price
covel
● FRAMEWORK · relevance 64%
no public price
flowcraft
● FRAMEWORK · relevance 63%
no public price
arc_protocol
● FRAMEWORK · relevance 63%
no public price
dippin
● FRAMEWORK · relevance 63%
no public price
visual_spec
● FRAMEWORK · relevance 62%
no public price
StateM
● FRAMEWORK · relevance 62%
no public price
takt_sdd
● FRAMEWORK · relevance 62%
no public price
loop_engineering
● FRAMEWORK · relevance 62%
no public price
ai_maestro
● FRAMEWORK · relevance 61%
no public price
agenticschema_core
● FRAMEWORK · relevance 61%
no public price
ai_data_analyst_agent
● FRAMEWORK · relevance 61%
no public price
rdf_framework
● FRAMEWORK · relevance 61%
no public price
paperbanana
● FRAMEWORK · relevance 61%
no public price
mcp_agentic_sdlc
● FRAMEWORK · relevance 61%
no public price
atm
● FRAMEWORK · relevance 61%
no public price
agentloom
● FRAMEWORK · relevance 61%
no public price
get_shit_done
● FRAMEWORK · relevance 60%
no public price
learnship
● FRAMEWORK · relevance 60%
no public price
AI DevKit
● FRAMEWORK · relevance 60%
no public price
PPlatforms4Ranked by relevance
novelbuilder
● PLATFORM · relevance 73%
no public price
filmworld
● PLATFORM · relevance 69%
no public price
liyuan
● PLATFORM · relevance 62%
no public price
arcreel
● PLATFORM · relevance 61%
no public price
MMCP servers7Ranked by relevance
burnlore
● MCP · relevance 70%
no public price
Étincel
● MCP · relevance 64%
no public price
enola
● MCP · relevance 61%
no public price
wsc
● MCP · relevance 61%
no public price
symgraph
● MCP · relevance 61%
no public price
Built&Written
● MCP · relevance 61%
$49/mo Pro
-2% vs Pro median
longform-memory
● MCP · relevance 61%
$49.99/mo Pro
0% vs Pro median
AAgents7Ranked by relevance
ai_novel_writer
● AGENT · relevance 69%
no public price
goink
● AGENT · relevance 68%
no public price
inkos
● AGENT · relevance 67%
no public price
ainovelprompter
● AGENT · relevance 66%
no public price
lemona
● AGENT · relevance 64%
no public price
dramapilot
● AGENT · relevance 62%
$50 usage Pro
not monthly-comparable
corbell
● AGENT · relevance 60%
no public price
OOther10Ranked by relevance
interactive_fiction
● OTHER · relevance 67%
no public price
oh_story_claudecode
● OTHER · relevance 64%
no public price
great_writer
● OTHER · relevance 63%
no public price
shanyin_screenwriting_master
● OTHER · relevance 62%
no public price
directed_memory_bank
● OTHER · relevance 62%
no public price
TechSkills-Lib
● OTHER · relevance 62%
no public price
Platitude
● OTHER · relevance 62%
no public price
Dev Cookbook
● OTHER · relevance 61%
no public price
repo_template
● OTHER · relevance 61%
no public price
claude_eng_loop
● OTHER · relevance 61%
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.