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Market around rigor

Open-source MCP server and CLI providing verified statistical inference for AI agents, including hypothesis tests, correlation and regression, effect sizes, power and sample-size calculations, multiple-comparison correction, and test recommendations.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
rigor · Pro
No Pro plan
—
Pro-MCP server median
$49
across 13 priced MCP servers
vs Pro MCP servers
No comparison
rigor doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
83rd pctile
355 strong substitutes
Price momentum · 31d
Flat
MCP servers · Pro median
$49/mo
13 priced · $29–$79 mid 50%
Price spectrum · Pro plans · 11 of 17 providers priced · log scale · $5 → $1980/mo
MCP servers◻ shaded = middle 50% · line = median (all types)rigor has no comparable Pro price — not plotted

Products in this market

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

MMCP servers41Ranked by relevance
rigorthis listing
● MCP · relevance 100%
no public price
evalgate_mcp
● MCP · relevance 80%
no public price
TH
thousand_api
● MCP · relevance 78%
$1980/mo Pro
+3941% vs Pro median
hermes_plant
● MCP · relevance 78%
$29/mo Pro
-41% vs Pro median
lodd_analytics
● MCP · relevance 77%
no Pro plan
entry $12/mo
arithym
● MCP · relevance 76%
$5/mo Pro
-90% vs Pro median
mu
● MCP · relevance 76%
no public price
tinyfn
● MCP · relevance 76%
$30/mo Pro
-39% vs Pro median
arbor
● MCP · relevance 75%
no public price
AP
apix420mcp1
● MCP · relevance 75%
no Pro plan
entry $10/mo
Wolfram
● MCP · relevance 75%
no public price
ATOM Pricing Intelligence
● MCP · relevance 75%
$500/mo Pro
+920% vs Pro median
GA
GadgetHumans API Hub — 24 Free MCP Tools
● MCP · relevance 75%
$5/mo Pro
-90% vs Pro median
simple_mcp_server
● MCP · relevance 75%
no public price
kaggle_mcp_2
● MCP · relevance 75%
no public price
Agents @Kopern.ai
● MCP · relevance 75%
$79/mo Pro
+61% vs Pro median
browseai_dev
● MCP · relevance 75%
no public price
ai_netcafe
● MCP · relevance 75%
no public price
master_metrics
● MCP · relevance 75%
no public price
pp_terminal
● MCP · relevance 74%
no public price
gizmoanalytics
● MCP · relevance 74%
no Pro plan
entry $9/mo
Zambo AI Tools
● MCP · relevance 74%
$49/mo Pro
0% vs Pro median
nvm
● MCP · relevance 74%
no public price
surfaceable_mcp_seo
● MCP · relevance 74%
$9.92/mo Pro
-80% vs Pro median
Open Analytics
● MCP · relevance 74%
$49/mo Pro
0% vs Pro median
leetcode_mcp_server
● MCP · relevance 74%
no public price
kaggle_mcp
● MCP · relevance 74%
no public price
advanced_reasoning_mcp
● MCP · relevance 74%
no public price
Gnat
● MCP · relevance 74%
no public price
agent_tool
● MCP · relevance 74%
no public price
FinancialData.Net
● MCP · relevance 74%
$29/mo Pro
-41% vs Pro median
aptabase_mcp
● MCP · relevance 74%
no public price
ia-qa.com/mcp llm and RAG testing - Dev/QA toolbox
● MCP · relevance 74%
no public price
0mod_mcp_server
● MCP · relevance 74%
no public price
mcp_perplexity_server
● MCP · relevance 73%
no public price
x711io - universal gas station market and intelligence
● MCP · relevance 73%
$50 usage Pro
not monthly-comparable
DA
Data Observability
● MCP · relevance 73%
no public price
quantoracle
● MCP · relevance 73%
no Pro plan
entry $5/mo
Nimble MCP Server
● MCP · relevance 73%
no public price
OpenMM MCP
● MCP · relevance 73%
no Pro plan
entry $10/mo
sense
● MCP · relevance 73%
no public price
AAgents1Ranked by relevance
discomcp
● AGENT · relevance 75%
no public price
FFrameworks3Ranked by relevance
factorly
● FRAMEWORK · relevance 75%
no public price
skillport
● FRAMEWORK · relevance 74%
no public price
capa
● FRAMEWORK · relevance 73%
no public price
OOther4Ranked by relevance
tuneloop
● OTHER · relevance 74%
no public price
MCP Data Analyst
● OTHER · relevance 73%
no public price
anthropiccom
● OTHER · relevance 73%
no public price
Multidim MCP
● OTHER · relevance 73%
no public price
PPlatforms1Ranked by relevance
toolmetry
● PLATFORM · relevance 73%
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.