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Market around CiteGuard

Open-source citation checker that uses Crossref to detect retractions, corrections, and expressions of concern. Available as a Python library/CLI, MCP server for research agents, and GitHub Action.

Visit github.com ↗Pricing page ↗
Pricing (0 buyer tiers · 1 plan)
Free plan available Free
As parsed from github.com/pricing on 2026-09-01.

Explore the market

Prices and medians update for the tier you select.

Compare at
CiteGuard · Pro
No Pro plan
—
Pro-MCP server median
$39
across 6 priced MCP servers
vs Pro MCP servers
No comparison
CiteGuard doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
7th pctile
3 competing vendors
Comparable listings · 30d
—
Agents · Pro median
$18.99/mo
3 priced · $10.16–$21.99 mid 50%
MCP servers · Pro median
$39/mo
6 priced · $14–$71.5 mid 50%

Agents cost 0.5× MCP servers at the Pro tier.

Price spectrum · Pro plans · 8 of 13 providers priced · log scale · $1.33 → $80/mo
Agents MCP servers◻ shaded = middle 50% · line = median (all types)CiteGuard has no comparable Pro price — not plotted

Products in this market

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

MMCP servers26Ranked by relevance
CiteGuardthis listing
● MCP · relevance 100%
no public price
CR
crossref_mcp_server
● MCP · relevance 73%
no public price
remote
● MCP · relevance 72%
$9/mo Pro
-77% vs Pro median
find_research_papers_mcp
● MCP · relevance 69%
no public price
AI Research Assistant MCP
● MCP · relevance 65%
no public price
paperpiggy
● MCP · relevance 64%
no public price
OR
orcid_mcp_server
● MCP · relevance 64%
no public price
openpapers_mcp
● MCP · relevance 63%
no public price
citeme
● MCP · relevance 63%
$3.69/mo Pro
-91% vs Pro median
Noodle Biomedical Literature Discovery MCP
● MCP · relevance 63%
no public price
deepsieve_mcp
● MCP · relevance 63%
no public price
perplexity_search
● MCP · relevance 62%
no Pro plan
entry $10/mo
browseai_dev
● MCP · relevance 62%
no public price
autosearch
● MCP · relevance 62%
$29/mo Pro
-26% vs Pro median
Reddit Radar MCP
● MCP · relevance 62%
no public price
SciWeave MCP Server
● MCP · relevance 61%
no public price
BI
biorxiv_mcp_server
● MCP · relevance 61%
no public price
arXiv
● MCP · relevance 61%
no Pro plan
entry $10/mo
PaperPilot
● MCP · relevance 61%
no public price
pubmed_search_mcp_2
● MCP · relevance 61%
no public price
web_researcher_mcp
● MCP · relevance 61%
no public price
VERITY — Real-Time Fact-Checking Agent
● MCP · relevance 61%
no Pro plan
entry $10/mo
citation_safe
● MCP · relevance 60%
$79/mo Pro
+103% vs Pro median
AI
AI Research Assistant
● MCP · relevance 60%
no public price
PU
pubmed_mcp_server
● MCP · relevance 60%
no public price
SM
smry_public_reader
● MCP · relevance 60%
$80/mo Pro
+105% vs Pro median
AAgents23Ranked by relevance
citelocal_agent
● AGENT · relevance 68%
no public price
Undermind
● AGENT · relevance 67%
$1.33/mo Pro
-93% vs Pro median
wjarr_ai_research
● AGENT · relevance 67%
no public price
Feynman
● AGENT · relevance 65%
no public price
research_ai_agent
● AGENT · relevance 65%
no Pro plan
entry $299/mo
gpt_researcher_2
● AGENT · relevance 65%
no public price
Corti's PubMed Expert agent
● AGENT · relevance 64%
no Pro plan
entry $1000/mo
examples
● AGENT · relevance 64%
no public price
AI Research Agent
● AGENT · relevance 63%
$25/mo Pro
+32% vs Pro median
Research Agent
● AGENT · relevance 63%
no public price
webhound
● AGENT · relevance 63%
no public price
Regulatory Comparison Agent Harness
● AGENT · relevance 62%
no public price
scienceclaw
● AGENT · relevance 62%
no public price
bedrock_deep_research_agent
● AGENT · relevance 61%
no public price
literature_review_skill
● AGENT · relevance 61%
no public price
AnswerThis
● AGENT · relevance 61%
no public price
ARI (Advanced Research & Insights)
● AGENT · relevance 61%
no public price
sciclaw
● AGENT · relevance 61%
no public price
PaperGuide AI
● AGENT · relevance 61%
no public price
LLMFlow Search
● AGENT · relevance 61%
no public price
bios
● AGENT · relevance 60%
no public price
ScholarAI
● AGENT · relevance 60%
$18.99/mo Pro
0% vs Pro median
open_deep_research
● AGENT · relevance 60%
no public price
AAPIs1Ranked by relevance
Semantic Scholar
● API · 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.