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Market around ShelLayer

A library card for your agent ShelfLayer lets your AI search a public-domain book index, inspect shelves, books, and tables of contents, read sections, and return citation-ready passages from Project Gutenberg-sourced works. It is a read-only research app for finding source mate

Visit shelflayer.com ↗Pricing page ↗
Pricing (2 buyer tiers · 3 plans)
Free plan available Free
As parsed from shelflayer.com/pricing.html on 2026-08-24.

Explore the market

Prices and medians update for the tier you select.

Compare at
ShelLayer · Pro
No Pro plan
—
Pro-MCP server median
$49
across 5 priced MCP servers
vs Pro MCP servers
No comparison
ShelLayer doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
57th pctile
102 strong substitutes
Price momentum · 30d
—
MCP servers · Pro median
$49/mo
5 priced · $20–$99 mid 50%
Price spectrum · Pro plans · 5 of 10 providers priced · log scale · $3.69 → $99/mo
MCP servers◻ shaded = middle 50% · line = median (all types)ShelLayer has no comparable Pro price — not plotted

Products in this market

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

MMCP servers48Ranked by relevance
ShelLayerthis listing
● MCP · relevance 100%
no public price
ForgeMesh Library
● MCP · relevance 86%
no public price
PaperPilot
● MCP · relevance 78%
$99/mo Pro
+102% vs Pro median
Pydantic Zotero MCP
● MCP · relevance 77%
no public price
web_researcher_mcp
● MCP · relevance 77%
no public price
OP
openlibrary_mcp_server
● MCP · relevance 76%
no public price
Local Research Library MCP
● MCP · relevance 76%
no public price
pubmed_search_mcp_2
● MCP · relevance 76%
no public price
Space Frontiers
● MCP · relevance 75%
$20/mo Pro
-59% vs Pro median
burn_mcp_server
● MCP · relevance 75%
no public price
AI
AI Research Assistant
● MCP · relevance 75%
no public price
context_awesome
● MCP · relevance 75%
no public price
GU
gutenberg_mcp_server
● MCP · relevance 75%
no public price
WebVector
● MCP · relevance 74%
no public price
citeme
● MCP · relevance 73%
$3.69/mo Pro
-92% vs Pro median
CY
cyanheads_wikipedia_mcp_server
● MCP · relevance 73%
no public price
AL
alexandria
● MCP · relevance 73%
no public price
perplexity_search
● MCP · relevance 73%
no Pro plan
entry $10/mo
find_research_papers_mcp
● MCP · relevance 73%
no public price
thisispaper_intelligence
● MCP · relevance 73%
$99/mo Pro
+102% vs Pro median
tasogare
● MCP · relevance 73%
no public price
paperclip_2
● MCP · relevance 73%
no public price
agentready
● MCP · relevance 73%
$49/mo Pro
0% vs Pro median
SI
SiftDB
● MCP · relevance 73%
no Pro plan
entry $10/mo
rfc_ai_tooling
● MCP · relevance 72%
no public price
RU
runitonai_mcp
● MCP · relevance 72%
$39 one-time Pro
not monthly-comparable
web_forager
● MCP · relevance 72%
no public price
threadsnoop_reddit
● MCP · relevance 72%
no public price
LittleLibrary
● MCP · relevance 72%
no public price
fojin
● MCP · relevance 72%
no public price
zotero_toolkit
● MCP · relevance 72%
no public price
BI
bible
● MCP · relevance 72%
no public price
Agent Reliability MCP
● MCP · relevance 72%
no public price
cloro
● MCP · relevance 72%
no Pro plan
entry $30/mo
CR
crw
● MCP · relevance 71%
no Pro plan
entry $10/mo
calibre_full_mcp_server
● MCP · relevance 71%
no public price
bgpt_mcp
● MCP · relevance 71%
no public price
books
● MCP · relevance 71%
no public price
SciWeave MCP Server
● MCP · relevance 71%
no public price
arxiv_reader_mcp
● MCP · relevance 71%
no public price
Urantia Papers
● MCP · relevance 71%
no public price
prawmi
● MCP · relevance 71%
no public price
scholar_search_mcp
● MCP · relevance 71%
no public price
Nimrod
● MCP · relevance 71%
no public price
openalex_research_mcp
● MCP · relevance 71%
no public price
zoekt_mcp
● MCP · relevance 71%
no public price
mcp_server_webcrawl
● MCP · relevance 71%
no public price
Web Search MCP
● MCP · relevance 71%
no public price
FFrameworks1Ranked by relevance
scholaraio
● FRAMEWORK · relevance 71%
no public price
OOther1Ranked by relevance
paper_read_skill
● OTHER · relevance 71%
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.